spinal cord / PokittoLib_

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

POKITTO_HW/HWLCD.cpp@22:e826f80d8582, 2017-12-29 (annotated)

Committer:
Pokitto
Date:
Fri Dec 29 02:55:34 2017 +0000
Revision:
22:e826f80d8582
Child:
23:f88837b8f914
PokittoLib with @Spinalcodes direct non-buffered tricks

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 22:e826f80d8582 1 /**************************************************************************/
Pokitto 22:e826f80d8582 2 /*!
Pokitto 22:e826f80d8582 3 @file HWLCD.cpp
Pokitto 22:e826f80d8582 4 @author Jonne Valola
Pokitto 22:e826f80d8582 5
Pokitto 22:e826f80d8582 6 @section LICENSE
Pokitto 22:e826f80d8582 7
Pokitto 22:e826f80d8582 8 Software License Agreement (BSD License)
Pokitto 22:e826f80d8582 9
Pokitto 22:e826f80d8582 10 Copyright (c) 2016, Jonne Valola
Pokitto 22:e826f80d8582 11 All rights reserved.
Pokitto 22:e826f80d8582 12
Pokitto 22:e826f80d8582 13 Redistribution and use in source and binary forms, with or without
Pokitto 22:e826f80d8582 14 modification, are permitted provided that the following conditions are met:
Pokitto 22:e826f80d8582 15 1. Redistributions of source code must retain the above copyright
Pokitto 22:e826f80d8582 16 notice, this list of conditions and the following disclaimer.
Pokitto 22:e826f80d8582 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 22:e826f80d8582 18 notice, this list of conditions and the following disclaimer in the
Pokitto 22:e826f80d8582 19 documentation and/or other materials provided with the distribution.
Pokitto 22:e826f80d8582 20 3. Neither the name of the copyright holders nor the
Pokitto 22:e826f80d8582 21 names of its contributors may be used to endorse or promote products
Pokitto 22:e826f80d8582 22 derived from this software without specific prior written permission.
Pokitto 22:e826f80d8582 23
Pokitto 22:e826f80d8582 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 22:e826f80d8582 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 22:e826f80d8582 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 22:e826f80d8582 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 22:e826f80d8582 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 22:e826f80d8582 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 22:e826f80d8582 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 22:e826f80d8582 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 22:e826f80d8582 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 22:e826f80d8582 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 22:e826f80d8582 34 */
Pokitto 22:e826f80d8582 35 /**************************************************************************/
Pokitto 22:e826f80d8582 36
Pokitto 22:e826f80d8582 37 #include "HWLCD.h" //HWLCD.h" #include "HWLCD.h"
Pokitto 22:e826f80d8582 38 #include "Pokitto_settings.h"
Pokitto 22:e826f80d8582 39
Pokitto 22:e826f80d8582 40 #define AB_JUMP 1024 // jump one 1-bit Arduboy screen forward to get next color bit
Pokitto 22:e826f80d8582 41 #define GB_JUMP 504 // jump one 1-bit Gamebuino screen forward to get next color bit
Pokitto 22:e826f80d8582 42
Pokitto 22:e826f80d8582 43 using namespace Pokitto;
Pokitto 22:e826f80d8582 44
Pokitto 22:e826f80d8582 45 uint16_t prevdata=0; // if data does not change, do not adjust LCD bus lines
Pokitto 22:e826f80d8582 46
Pokitto 22:e826f80d8582 47 #if POK_BOARDREV == 2
Pokitto 22:e826f80d8582 48 pwmout_t backlightpwm;
Pokitto 22:e826f80d8582 49 #endif
Pokitto 22:e826f80d8582 50
Pokitto 22:e826f80d8582 51
Pokitto 22:e826f80d8582 52 /**************************************************************************/
Pokitto 22:e826f80d8582 53 /*!
Pokitto 22:e826f80d8582 54 @brief set up the 16-bit bus
Pokitto 22:e826f80d8582 55 */
Pokitto 22:e826f80d8582 56 /**************************************************************************/
Pokitto 22:e826f80d8582 57
Pokitto 22:e826f80d8582 58 static inline void setup_data_16(uint16_t data)
Pokitto 22:e826f80d8582 59 {
Pokitto 22:e826f80d8582 60 uint32_t p2=0;
Pokitto 22:e826f80d8582 61
Pokitto 22:e826f80d8582 62 if (data != prevdata) {
Pokitto 22:e826f80d8582 63
Pokitto 22:e826f80d8582 64 prevdata=data;
Pokitto 22:e826f80d8582 65
Pokitto 22:e826f80d8582 66 /** D0...D16 = P2_3 ... P2_18 **/
Pokitto 22:e826f80d8582 67 p2 = data << 3;
Pokitto 22:e826f80d8582 68
Pokitto 22:e826f80d8582 69 //__disable_irq(); // Disable Interrupts
Pokitto 22:e826f80d8582 70 SET_MASK_P2;
Pokitto 22:e826f80d8582 71 LPC_GPIO_PORT->MPIN[2] = p2; // write bits to port
Pokitto 22:e826f80d8582 72 CLR_MASK_P2;
Pokitto 22:e826f80d8582 73 //__enable_irq(); // Enable Interrupts
Pokitto 22:e826f80d8582 74 }
Pokitto 22:e826f80d8582 75 }
Pokitto 22:e826f80d8582 76
Pokitto 22:e826f80d8582 77
Pokitto 22:e826f80d8582 78 /**************************************************************************/
Pokitto 22:e826f80d8582 79 /*!
Pokitto 22:e826f80d8582 80 @brief Write a command to the lcd, 16-bit bus
Pokitto 22:e826f80d8582 81 */
Pokitto 22:e826f80d8582 82 /**************************************************************************/
Pokitto 22:e826f80d8582 83 inline void write_command_16(uint16_t data)
Pokitto 22:e826f80d8582 84 {
Pokitto 22:e826f80d8582 85 CLR_CS; // select lcd
Pokitto 22:e826f80d8582 86 CLR_CD; // clear CD = command
Pokitto 22:e826f80d8582 87 SET_RD; // RD high, do not read
Pokitto 22:e826f80d8582 88 setup_data_16(data); // function that inputs the data into the relevant bus lines
Pokitto 22:e826f80d8582 89 CLR_WR; // WR low
Pokitto 22:e826f80d8582 90 SET_WR; // WR low, then high = write strobe
Pokitto 22:e826f80d8582 91 SET_CS; // de-select lcd
Pokitto 22:e826f80d8582 92 }
Pokitto 22:e826f80d8582 93
Pokitto 22:e826f80d8582 94 /**************************************************************************/
Pokitto 22:e826f80d8582 95 /*!
Pokitto 22:e826f80d8582 96 @brief Write data to the lcd, 16-bit bus
Pokitto 22:e826f80d8582 97 */
Pokitto 22:e826f80d8582 98 /**************************************************************************/
Pokitto 22:e826f80d8582 99 inline void write_data_16(uint16_t data)
Pokitto 22:e826f80d8582 100 {
Pokitto 22:e826f80d8582 101 CLR_CS;
Pokitto 22:e826f80d8582 102 SET_CD;
Pokitto 22:e826f80d8582 103 SET_RD;
Pokitto 22:e826f80d8582 104 setup_data_16(data);
Pokitto 22:e826f80d8582 105 CLR_WR;
Pokitto 22:e826f80d8582 106 SET_WR;
Pokitto 22:e826f80d8582 107 SET_CS;
Pokitto 22:e826f80d8582 108 }
Pokitto 22:e826f80d8582 109
Pokitto 22:e826f80d8582 110 /**************************************************************************/
Pokitto 22:e826f80d8582 111 /*!
Pokitto 22:e826f80d8582 112 @brief Point to a (x,y) location in the LCD DRAM
Pokitto 22:e826f80d8582 113 */
Pokitto 22:e826f80d8582 114 /**************************************************************************/
Pokitto 22:e826f80d8582 115 static inline void setDRAMptr(uint8_t xptr, uint8_t yoffset)
Pokitto 22:e826f80d8582 116 {
Pokitto 22:e826f80d8582 117 write_command(0x20); // Vertical DRAM Address
Pokitto 22:e826f80d8582 118 write_data(yoffset);
Pokitto 22:e826f80d8582 119 write_command(0x21); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 120 write_data(xptr); //
Pokitto 22:e826f80d8582 121 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 122 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 123 }
Pokitto 22:e826f80d8582 124
Pokitto 22:e826f80d8582 125 void Pokitto::initBacklight() {
Pokitto 22:e826f80d8582 126 #if POK_BOARDREV == 2
Pokitto 22:e826f80d8582 127 pwmout_init(&backlightpwm,POK_BACKLIGHT_PIN);
Pokitto 22:e826f80d8582 128 pwmout_period_us(&backlightpwm,5);
Pokitto 22:e826f80d8582 129 pwmout_write(&backlightpwm,POK_BACKLIGHT_INITIALVALUE);
Pokitto 22:e826f80d8582 130 #endif
Pokitto 22:e826f80d8582 131 }
Pokitto 22:e826f80d8582 132
Pokitto 22:e826f80d8582 133 void Pokitto::setBacklight(float value) {
Pokitto 22:e826f80d8582 134 if (value>0.999f) value = 0.999f;
Pokitto 22:e826f80d8582 135 pwmout_write(&backlightpwm,value);
Pokitto 22:e826f80d8582 136 }
Pokitto 22:e826f80d8582 137
Pokitto 22:e826f80d8582 138 void Pokitto::lcdInit() {
Pokitto 22:e826f80d8582 139 initBacklight();
Pokitto 22:e826f80d8582 140
Pokitto 22:e826f80d8582 141 SET_RESET;
Pokitto 22:e826f80d8582 142 wait_ms(10);
Pokitto 22:e826f80d8582 143 CLR_RESET;
Pokitto 22:e826f80d8582 144 wait_ms(10);
Pokitto 22:e826f80d8582 145 SET_RESET;
Pokitto 22:e826f80d8582 146 wait_ms(10);
Pokitto 22:e826f80d8582 147 //************* Start Initial Sequence **********//
Pokitto 22:e826f80d8582 148 write_command(0x01); // driver output control, this also affects direction
Pokitto 22:e826f80d8582 149 write_data(0x11C); // originally: 0x11C 100011100 SS,NL4,NL3,NL2
Pokitto 22:e826f80d8582 150 // NL4...0 is the number of scan lines to drive the screen !!!
Pokitto 22:e826f80d8582 151 // so 11100 is 1c = 220 lines, correct
Pokitto 22:e826f80d8582 152 // test 1: 0x1C 11100 SS=0,NL4,NL3,NL2 -> no effect
Pokitto 22:e826f80d8582 153 // test 2: 0x31C 1100011100 GS=1,SS=1,NL4,NL3,NL2 -> no effect
Pokitto 22:e826f80d8582 154 // test 3: 0x51C 10100011100 SM=1,GS=0,SS=1,NL4,NL3,NL2 -> no effect
Pokitto 22:e826f80d8582 155 // test 4: 0x71C SM=1,GS=1,SS=1,NL4,NL3,NL2
Pokitto 22:e826f80d8582 156 // test 5: 0x
Pokitto 22:e826f80d8582 157 // seems to have no effect... is this perhaps only for RGB mode ?
Pokitto 22:e826f80d8582 158
Pokitto 22:e826f80d8582 159 write_command(0x02); // LCD driving control
Pokitto 22:e826f80d8582 160 write_data(0x0100); // INV = 1
Pokitto 22:e826f80d8582 161
Pokitto 22:e826f80d8582 162 write_command(0x03); // Entry mode... lets try if this affects the direction
Pokitto 22:e826f80d8582 163 write_data(0x1030); // originally 0x1030 1000000110000 BGR,ID1,ID0
Pokitto 22:e826f80d8582 164 // test 1: 0x1038 1000000111000 BGR,ID1,ID0,AM=1 ->drawing DRAM horizontally
Pokitto 22:e826f80d8582 165 // test 4: am=1, id0=0, id1=0, 1000000001000,0x1008 -> same as above, but flipped on long
Pokitto 22:e826f80d8582 166 // test 2: am=0, id0=0, 1000000100000, 0x1020 -> flipped on long axis
Pokitto 22:e826f80d8582 167 // test 3: am=0, id1=0, 1000000010000, 0x1010 -> picture flowed over back to screen
Pokitto 22:e826f80d8582 168
Pokitto 22:e826f80d8582 169
Pokitto 22:e826f80d8582 170 write_command(0x08); // Display control 2
Pokitto 22:e826f80d8582 171 write_data(0x0808); // 100000001000 FP2,BP2
Pokitto 22:e826f80d8582 172
Pokitto 22:e826f80d8582 173 write_command(0x0C); // RGB display interface
Pokitto 22:e826f80d8582 174 write_data(0x0000); // all off
Pokitto 22:e826f80d8582 175
Pokitto 22:e826f80d8582 176 write_command(0x0F); // Frame marker position
Pokitto 22:e826f80d8582 177 write_data(0x0001); // OSC_EN
Pokitto 22:e826f80d8582 178
Pokitto 22:e826f80d8582 179 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 180 write_data(0x0000); // 0
Pokitto 22:e826f80d8582 181
Pokitto 22:e826f80d8582 182 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 183 write_data(0x0000); // 0
Pokitto 22:e826f80d8582 184
Pokitto 22:e826f80d8582 185 //*************Power On sequence ****************//
Pokitto 22:e826f80d8582 186 write_command(0x10);
Pokitto 22:e826f80d8582 187 write_data(0x0000);
Pokitto 22:e826f80d8582 188
Pokitto 22:e826f80d8582 189 write_command(0x11);
Pokitto 22:e826f80d8582 190 write_data(0x1000);
Pokitto 22:e826f80d8582 191 wait_ms(10);
Pokitto 22:e826f80d8582 192 //------------------------ Set GRAM area --------------------------------//
Pokitto 22:e826f80d8582 193 write_command(0x30); // Gate scan position
Pokitto 22:e826f80d8582 194 write_data(0x0000); // if GS=0, 00h=G1, else 00h=G220
Pokitto 22:e826f80d8582 195
Pokitto 22:e826f80d8582 196 write_command(0x31); // Vertical scroll control
Pokitto 22:e826f80d8582 197 write_data(0x00DB); // scroll start line 11011011 = 219
Pokitto 22:e826f80d8582 198
Pokitto 22:e826f80d8582 199 write_command(0x32); // Vertical scroll control
Pokitto 22:e826f80d8582 200 write_data(0x0000); // scroll end line 0
Pokitto 22:e826f80d8582 201
Pokitto 22:e826f80d8582 202 write_command(0x33); // Vertical scroll control
Pokitto 22:e826f80d8582 203 write_data(0x0000); // 0=vertical scroll disabled
Pokitto 22:e826f80d8582 204
Pokitto 22:e826f80d8582 205 write_command(0x34); // Partial screen driving control
Pokitto 22:e826f80d8582 206 write_data(0x00DB); // db = full screen (end)
Pokitto 22:e826f80d8582 207
Pokitto 22:e826f80d8582 208 write_command(0x35); // partial screen
Pokitto 22:e826f80d8582 209 write_data(0x0000); // 0 = start
Pokitto 22:e826f80d8582 210
Pokitto 22:e826f80d8582 211 write_command(0x36); // Horizontal and vertical RAM position
Pokitto 22:e826f80d8582 212 write_data(0x00AF); //end address 175
Pokitto 22:e826f80d8582 213
Pokitto 22:e826f80d8582 214 write_command(0x37);
Pokitto 22:e826f80d8582 215 write_data(0x0000); // start address 0
Pokitto 22:e826f80d8582 216
Pokitto 22:e826f80d8582 217 write_command(0x38);
Pokitto 22:e826f80d8582 218 write_data(0x00DB); //end address 219
Pokitto 22:e826f80d8582 219
Pokitto 22:e826f80d8582 220 write_command(0x39); // start address 0
Pokitto 22:e826f80d8582 221 write_data(0x0000);
Pokitto 22:e826f80d8582 222 wait_ms(10);
Pokitto 22:e826f80d8582 223 write_command(0xff); // start gamma register control
Pokitto 22:e826f80d8582 224 write_data(0x0003);
Pokitto 22:e826f80d8582 225
Pokitto 22:e826f80d8582 226 // ----------- Adjust the Gamma Curve ----------//
Pokitto 22:e826f80d8582 227 write_command(0x50);
Pokitto 22:e826f80d8582 228 write_data(0x0203);
Pokitto 22:e826f80d8582 229
Pokitto 22:e826f80d8582 230 write_command(0x051);
Pokitto 22:e826f80d8582 231 write_data(0x0A09);
Pokitto 22:e826f80d8582 232
Pokitto 22:e826f80d8582 233 write_command(0x52);
Pokitto 22:e826f80d8582 234 write_data(0x0005);
Pokitto 22:e826f80d8582 235
Pokitto 22:e826f80d8582 236 write_command(0x53);
Pokitto 22:e826f80d8582 237 write_data(0x1021);
Pokitto 22:e826f80d8582 238
Pokitto 22:e826f80d8582 239 write_command(0x54);
Pokitto 22:e826f80d8582 240 write_data(0x0602);
Pokitto 22:e826f80d8582 241
Pokitto 22:e826f80d8582 242 write_command(0x55);
Pokitto 22:e826f80d8582 243 write_data(0x0003);
Pokitto 22:e826f80d8582 244
Pokitto 22:e826f80d8582 245 write_command(0x56);
Pokitto 22:e826f80d8582 246 write_data(0x0703);
Pokitto 22:e826f80d8582 247
Pokitto 22:e826f80d8582 248 write_command(0x57);
Pokitto 22:e826f80d8582 249 write_data(0x0507);
Pokitto 22:e826f80d8582 250
Pokitto 22:e826f80d8582 251 write_command(0x58);
Pokitto 22:e826f80d8582 252 write_data(0x1021);
Pokitto 22:e826f80d8582 253
Pokitto 22:e826f80d8582 254 write_command(0x59);
Pokitto 22:e826f80d8582 255 write_data(0x0703);
Pokitto 22:e826f80d8582 256
Pokitto 22:e826f80d8582 257 write_command(0xB0);
Pokitto 22:e826f80d8582 258 write_data(0x2501);
Pokitto 22:e826f80d8582 259
Pokitto 22:e826f80d8582 260 write_command(0xFF);
Pokitto 22:e826f80d8582 261 write_data(0x0000);
Pokitto 22:e826f80d8582 262
Pokitto 22:e826f80d8582 263 write_command(0x07);
Pokitto 22:e826f80d8582 264 write_data(0x1017);
Pokitto 22:e826f80d8582 265 wait_ms(200);
Pokitto 22:e826f80d8582 266 write_command(0x22);
Pokitto 22:e826f80d8582 267
Pokitto 22:e826f80d8582 268 lcdClear();
Pokitto 22:e826f80d8582 269 }
Pokitto 22:e826f80d8582 270
Pokitto 22:e826f80d8582 271 void Pokitto::lcdSleep(void){
Pokitto 22:e826f80d8582 272 write_command(0xFF);
Pokitto 22:e826f80d8582 273 write_data(0x0000);
Pokitto 22:e826f80d8582 274
Pokitto 22:e826f80d8582 275 write_command(0x07);
Pokitto 22:e826f80d8582 276 write_data(0x0000);
Pokitto 22:e826f80d8582 277 wait_ms(50);
Pokitto 22:e826f80d8582 278 write_command(0x10);// Enter Standby mode
Pokitto 22:e826f80d8582 279 write_data(0x0003);
Pokitto 22:e826f80d8582 280 wait_ms(200);
Pokitto 22:e826f80d8582 281
Pokitto 22:e826f80d8582 282 }
Pokitto 22:e826f80d8582 283
Pokitto 22:e826f80d8582 284 void Pokitto::lcdWakeUp (void){
Pokitto 22:e826f80d8582 285
Pokitto 22:e826f80d8582 286 wait_ms(200);
Pokitto 22:e826f80d8582 287 write_command(0xFF);
Pokitto 22:e826f80d8582 288 write_data(0x0000);
Pokitto 22:e826f80d8582 289
Pokitto 22:e826f80d8582 290 write_command(0x10);// Exit Sleep/ Standby mode
Pokitto 22:e826f80d8582 291 write_data(0x0000);
Pokitto 22:e826f80d8582 292 wait_ms(50);
Pokitto 22:e826f80d8582 293 write_command(0x07);
Pokitto 22:e826f80d8582 294 write_data(0x0117);
Pokitto 22:e826f80d8582 295 wait_ms(200);
Pokitto 22:e826f80d8582 296 }
Pokitto 22:e826f80d8582 297
Pokitto 22:e826f80d8582 298 void Pokitto::lcdFillSurface(uint16_t c) {
Pokitto 22:e826f80d8582 299 uint32_t i;
Pokitto 22:e826f80d8582 300 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 301 write_data(0x0000); // 0
Pokitto 22:e826f80d8582 302 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 303 write_data(0);
Pokitto 22:e826f80d8582 304 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 305 setup_data_16(c);
Pokitto 22:e826f80d8582 306 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 307 for(i=0;i<220*176;i++)
Pokitto 22:e826f80d8582 308 {
Pokitto 22:e826f80d8582 309 CLR_WR;
Pokitto 22:e826f80d8582 310 SET_WR;
Pokitto 22:e826f80d8582 311 }
Pokitto 22:e826f80d8582 312 }
Pokitto 22:e826f80d8582 313
Pokitto 22:e826f80d8582 314 void Pokitto::lcdClear() {
Pokitto 22:e826f80d8582 315 uint32_t i;
Pokitto 22:e826f80d8582 316 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 317 write_data(0x0000); // 0
Pokitto 22:e826f80d8582 318 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 319 write_data(0);
Pokitto 22:e826f80d8582 320 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 321 setup_data_16(0x0000);
Pokitto 22:e826f80d8582 322 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 323 for(i=0;i<220*176;i++)
Pokitto 22:e826f80d8582 324 {
Pokitto 22:e826f80d8582 325 CLR_WR;
Pokitto 22:e826f80d8582 326 SET_WR;
Pokitto 22:e826f80d8582 327 }
Pokitto 22:e826f80d8582 328 }
Pokitto 22:e826f80d8582 329
Pokitto 22:e826f80d8582 330 void Pokitto::setWindow(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2) {
Pokitto 22:e826f80d8582 331 write_command(0x37); write_data(x1);
Pokitto 22:e826f80d8582 332 write_command(0x36); write_data(x2);
Pokitto 22:e826f80d8582 333 write_command(0x39); write_data(y1);
Pokitto 22:e826f80d8582 334 write_command(0x38); write_data(y2);
Pokitto 22:e826f80d8582 335 write_command(0x20); write_data(x1);
Pokitto 22:e826f80d8582 336 write_command(0x21); write_data(y1);
Pokitto 22:e826f80d8582 337 }
Pokitto 22:e826f80d8582 338
Pokitto 22:e826f80d8582 339
Pokitto 22:e826f80d8582 340 void Pokitto::lcdTile(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t* gfx){
Pokitto 22:e826f80d8582 341 int width=x1-x0;
Pokitto 22:e826f80d8582 342 int height=y1-y0;
Pokitto 22:e826f80d8582 343 if (x0 > POK_LCD_W) return;
Pokitto 22:e826f80d8582 344 if (y0 > POK_LCD_H) return;
Pokitto 22:e826f80d8582 345 if (x0 < 0) x0=0;
Pokitto 22:e826f80d8582 346 if (y0 < 0) y0=0;
Pokitto 22:e826f80d8582 347
Pokitto 22:e826f80d8582 348 setWindow(y0, x0, y1-1, x1-1);
Pokitto 22:e826f80d8582 349 write_command(0x22);
Pokitto 22:e826f80d8582 350
Pokitto 22:e826f80d8582 351 for (int x=0; x<=width*height-1;x++) {
Pokitto 22:e826f80d8582 352 write_data(gfx[x]);
Pokitto 22:e826f80d8582 353 }
Pokitto 22:e826f80d8582 354 setWindow(0, 0, 175, 219);
Pokitto 22:e826f80d8582 355 }
Pokitto 22:e826f80d8582 356
Pokitto 22:e826f80d8582 357 /* original
Pokitto 22:e826f80d8582 358 void Pokitto::lcdPixel(int16_t x, int16_t y, uint16_t color) {
Pokitto 22:e826f80d8582 359 if ((x < 0) || (x >= POK_LCD_W) || (y < 0) || (y >= POK_LCD_H))
Pokitto 22:e826f80d8582 360 return;
Pokitto 22:e826f80d8582 361 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 362 write_data(y); // 0
Pokitto 22:e826f80d8582 363 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 364 write_data(x);
Pokitto 22:e826f80d8582 365 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 366 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 367 setup_data_16(color);
Pokitto 22:e826f80d8582 368 CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 369 }*/
Pokitto 22:e826f80d8582 370
Pokitto 22:e826f80d8582 371 /* by Spinal_code */
Pokitto 22:e826f80d8582 372 void Pokitto::lcdPixel(int16_t x, int16_t y, uint16_t color) {
Pokitto 22:e826f80d8582 373 if ((x < 0) || (x >= POK_LCD_W) || (y < 0) || (y >= POK_LCD_H))
Pokitto 22:e826f80d8582 374 return;
Pokitto 22:e826f80d8582 375 write_command(0x20); write_data(y);
Pokitto 22:e826f80d8582 376 write_command(0x21); write_data(x);
Pokitto 22:e826f80d8582 377 write_command(0x22); write_data(color);
Pokitto 22:e826f80d8582 378 }
Pokitto 22:e826f80d8582 379
Pokitto 22:e826f80d8582 380 /* Original
Pokitto 22:e826f80d8582 381 void Pokitto::lcdRectangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color) {
Pokitto 22:e826f80d8582 382 int16_t temp;
Pokitto 22:e826f80d8582 383 if (x0>x1) {temp=x0;x0=x1;x1=temp;}
Pokitto 22:e826f80d8582 384 if (y0>y1) {temp=y0;y0=y1;y1=temp;}
Pokitto 22:e826f80d8582 385 if (x0 > POK_LCD_W) return;
Pokitto 22:e826f80d8582 386 if (y0 > POK_LCD_H) return;
Pokitto 22:e826f80d8582 387 if (x1 > POK_LCD_W) x1=POK_LCD_W;
Pokitto 22:e826f80d8582 388 if (y1 > POK_LCD_H) y1=POK_LCD_W;
Pokitto 22:e826f80d8582 389 if (x0 < 0) x0=0;
Pokitto 22:e826f80d8582 390 if (y0 < 0) y0=0;
Pokitto 22:e826f80d8582 391
Pokitto 22:e826f80d8582 392 int16_t x,y;
Pokitto 22:e826f80d8582 393 for (x=x0; x<=x1;x++) {
Pokitto 22:e826f80d8582 394 write_command(0x20); // Horizontal DRAM Address (=y on pokitto screen)
Pokitto 22:e826f80d8582 395 write_data(y0);
Pokitto 22:e826f80d8582 396 write_command(0x21); // Vertical DRAM Address (=x on pokitto screen)
Pokitto 22:e826f80d8582 397 write_data(x);
Pokitto 22:e826f80d8582 398 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 399
Pokitto 22:e826f80d8582 400 CLR_CS_SET_CD_RD_WR; // go to vram write mode
Pokitto 22:e826f80d8582 401
Pokitto 22:e826f80d8582 402
Pokitto 22:e826f80d8582 403 for (y=y0; y<y1;y++) {
Pokitto 22:e826f80d8582 404 setup_data_16(color); // setup the data (flat color = no change between pixels)
Pokitto 22:e826f80d8582 405 CLR_WR;SET_WR; //CLR_WR;SET_WR;//toggle writeline, pokitto screen writes a column up to down
Pokitto 22:e826f80d8582 406 }
Pokitto 22:e826f80d8582 407 }
Pokitto 22:e826f80d8582 408 }*/
Pokitto 22:e826f80d8582 409
Pokitto 22:e826f80d8582 410 /* By Spinal_code */
Pokitto 22:e826f80d8582 411
Pokitto 22:e826f80d8582 412 void Pokitto::lcdRectangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color) {
Pokitto 22:e826f80d8582 413 if(x1<=x0)x1=x0+1;
Pokitto 22:e826f80d8582 414 if(y1<=y0)y1=y0+1;
Pokitto 22:e826f80d8582 415 setWindow(y0, x0, y1-1, x1-1);
Pokitto 22:e826f80d8582 416 write_command(0x22);
Pokitto 22:e826f80d8582 417 int width=x1-x0;
Pokitto 22:e826f80d8582 418 int height=y1-y0;
Pokitto 22:e826f80d8582 419 int i=width*height;
Pokitto 22:e826f80d8582 420 while (i--) {
Pokitto 22:e826f80d8582 421 write_data(color);
Pokitto 22:e826f80d8582 422 }
Pokitto 22:e826f80d8582 423 }
Pokitto 22:e826f80d8582 424
Pokitto 22:e826f80d8582 425 void Pokitto::lcdRefreshRegionMode1(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint8_t * scrbuf, uint16_t * paletteptr){
Pokitto 22:e826f80d8582 426 if(x1<=x0)x1=x0+1;
Pokitto 22:e826f80d8582 427 if(y1<=y0)y1=y0+1;
Pokitto 22:e826f80d8582 428 setWindow(y0, x0, y1-1, x1-1);
Pokitto 22:e826f80d8582 429 write_command(0x22);
Pokitto 22:e826f80d8582 430 uint8_t pix;
Pokitto 22:e826f80d8582 431 uint8_t quartWide=(x1-x0)/4;
Pokitto 22:e826f80d8582 432 uint8_t pic;
Pokitto 22:e826f80d8582 433
Pokitto 22:e826f80d8582 434 x0/=4;
Pokitto 22:e826f80d8582 435
Pokitto 22:e826f80d8582 436 for(int y=y0; y<y1; y++){
Pokitto 22:e826f80d8582 437 for(int x=x0; x<x0+quartWide; x++){
Pokitto 22:e826f80d8582 438 pic = scrbuf[x+55*y];
Pokitto 22:e826f80d8582 439 pix = (pic >> 6)&3; write_data(paletteptr[pix]);
Pokitto 22:e826f80d8582 440 pix = (pic >> 4)&3; write_data(paletteptr[pix]);
Pokitto 22:e826f80d8582 441 pix = (pic >> 2)&3; write_data(paletteptr[pix]);
Pokitto 22:e826f80d8582 442 pix = pic &3; write_data(paletteptr[pix]);
Pokitto 22:e826f80d8582 443 }
Pokitto 22:e826f80d8582 444 }
Pokitto 22:e826f80d8582 445 }
Pokitto 22:e826f80d8582 446
Pokitto 22:e826f80d8582 447 void Pokitto::lcdRefreshMode1(uint8_t * scrbuf, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 448 uint16_t x,y,xptr;
Pokitto 22:e826f80d8582 449 uint16_t scanline[4][176]; // read 4 half-nibbles = 4 pixels at a time
Pokitto 22:e826f80d8582 450 uint8_t *d, yoffset=0;
Pokitto 22:e826f80d8582 451
Pokitto 22:e826f80d8582 452 xptr = 0;
Pokitto 22:e826f80d8582 453 setDRAMptr(xptr,yoffset);
Pokitto 22:e826f80d8582 454
Pokitto 22:e826f80d8582 455
Pokitto 22:e826f80d8582 456 for(x=0;x<220;x+=4)
Pokitto 22:e826f80d8582 457 {
Pokitto 22:e826f80d8582 458 d = scrbuf+(x>>2);// point to beginning of line in data
Pokitto 22:e826f80d8582 459 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 460 uint8_t s=0;
Pokitto 22:e826f80d8582 461 for(y=0;y<176;y++)
Pokitto 22:e826f80d8582 462 {
Pokitto 22:e826f80d8582 463 uint8_t tdata = *d;
Pokitto 22:e826f80d8582 464 uint8_t t4 = tdata & 0x03; tdata >>= 2;// lowest half-nibble
Pokitto 22:e826f80d8582 465 uint8_t t3 = tdata & 0x03; tdata >>= 2;// second lowest half-nibble
Pokitto 22:e826f80d8582 466 uint8_t t2 = tdata & 0x03; tdata >>= 2;// second highest half-nibble
Pokitto 22:e826f80d8582 467 uint8_t t = tdata & 0x03;// highest half-nibble
Pokitto 22:e826f80d8582 468
Pokitto 22:e826f80d8582 469 /** put nibble values in the scanlines **/
Pokitto 22:e826f80d8582 470 scanline[0][s] = paletteptr[t];
Pokitto 22:e826f80d8582 471 scanline[1][s] = paletteptr[t2];
Pokitto 22:e826f80d8582 472 scanline[2][s] = paletteptr[t3];
Pokitto 22:e826f80d8582 473 scanline[3][s++] = paletteptr[t4];
Pokitto 22:e826f80d8582 474
Pokitto 22:e826f80d8582 475 d+=220/4; // jump to read byte directly below in screenbuffer
Pokitto 22:e826f80d8582 476 }
Pokitto 22:e826f80d8582 477 s=0;
Pokitto 22:e826f80d8582 478 /** draw scanlines **/
Pokitto 22:e826f80d8582 479 for (s=0;s<176;) {
Pokitto 22:e826f80d8582 480 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 481 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 482 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 483 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 484 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 485 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 486 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 487 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 488 }
Pokitto 22:e826f80d8582 489 for (s=0;s<176;) {
Pokitto 22:e826f80d8582 490 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 491 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 492 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 493 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 494 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 495 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 496 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 497 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 498 }
Pokitto 22:e826f80d8582 499 for (s=0;s<176;) {
Pokitto 22:e826f80d8582 500 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 501 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 502 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 503 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 504 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 505 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 506 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 507 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 508 }
Pokitto 22:e826f80d8582 509 for (s=0;s<176;) {
Pokitto 22:e826f80d8582 510 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 511 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 512 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 513 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 514 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 515 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 516 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 517 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 518 }
Pokitto 22:e826f80d8582 519 }
Pokitto 22:e826f80d8582 520 }
Pokitto 22:e826f80d8582 521
Pokitto 22:e826f80d8582 522 void Pokitto::lcdRefreshMode2(uint8_t * scrbuf, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 523 uint16_t x,y;
Pokitto 22:e826f80d8582 524 uint16_t scanline[2][88]; // read two nibbles = pixels at a time
Pokitto 22:e826f80d8582 525 uint8_t *d;
Pokitto 22:e826f80d8582 526
Pokitto 22:e826f80d8582 527 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 528 write_data(0); // 0
Pokitto 22:e826f80d8582 529 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 530 write_data(0);
Pokitto 22:e826f80d8582 531 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 532 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 533
Pokitto 22:e826f80d8582 534 for(x=0;x<110;x+=2)
Pokitto 22:e826f80d8582 535 {
Pokitto 22:e826f80d8582 536 d = scrbuf+(x>>1);// point to beginning of line in data
Pokitto 22:e826f80d8582 537 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 538 uint8_t s=0;
Pokitto 22:e826f80d8582 539 for(y=0;y<88;y++)
Pokitto 22:e826f80d8582 540 {
Pokitto 22:e826f80d8582 541 uint8_t t = *d >> 4; // higher nibble
Pokitto 22:e826f80d8582 542 uint8_t t2 = *d & 0xF; // lower nibble
Pokitto 22:e826f80d8582 543 /** higher nibble = left pixel in pixel pair **/
Pokitto 22:e826f80d8582 544 scanline[0][s] = paletteptr[t];
Pokitto 22:e826f80d8582 545 scanline[1][s++] = paletteptr[t2];
Pokitto 22:e826f80d8582 546 /** testing only **/
Pokitto 22:e826f80d8582 547 //scanline[0][s] = 0xFFFF*(s&1);
Pokitto 22:e826f80d8582 548 //scanline[1][s] = 0xFFFF*(!(s&1));
Pokitto 22:e826f80d8582 549 //s++;
Pokitto 22:e826f80d8582 550 /** until here **/
Pokitto 22:e826f80d8582 551 d+=110/2; // jump to read byte directly below in screenbuffer
Pokitto 22:e826f80d8582 552 }
Pokitto 22:e826f80d8582 553 s=0;
Pokitto 22:e826f80d8582 554 /** draw scanlines **/
Pokitto 22:e826f80d8582 555 /** leftmost scanline twice**/
Pokitto 22:e826f80d8582 556
Pokitto 22:e826f80d8582 557 for (s=0;s<88;) {
Pokitto 22:e826f80d8582 558 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 559 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 560 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 561 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 562 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 563 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 564 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 565 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 566 }
Pokitto 22:e826f80d8582 567
Pokitto 22:e826f80d8582 568 for (s=0;s<88;) {
Pokitto 22:e826f80d8582 569 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 570 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 571 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 572 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 573 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 574 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 575 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 576 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 577 }
Pokitto 22:e826f80d8582 578 /** rightmost scanline twice**/
Pokitto 22:e826f80d8582 579 //setDRAMptr(xptr++,yoffset);
Pokitto 22:e826f80d8582 580 for (s=0;s<88;) {
Pokitto 22:e826f80d8582 581 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 582 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 583 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 584 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 585 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 586 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 587 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 588 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 589 }
Pokitto 22:e826f80d8582 590
Pokitto 22:e826f80d8582 591 for (s=0;s<88;) {
Pokitto 22:e826f80d8582 592 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 593 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 594 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 595 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 596 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 597 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 598 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 599 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 600 }
Pokitto 22:e826f80d8582 601 }
Pokitto 22:e826f80d8582 602 }
Pokitto 22:e826f80d8582 603
Pokitto 22:e826f80d8582 604 void Pokitto::lcdRefreshMode3(uint8_t * scrbuf, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 605 uint16_t x,y;
Pokitto 22:e826f80d8582 606 uint16_t scanline[2][176]; // read two nibbles = pixels at a time
Pokitto 22:e826f80d8582 607 uint8_t *d;
Pokitto 22:e826f80d8582 608
Pokitto 22:e826f80d8582 609 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 610 write_data(0); // 0
Pokitto 22:e826f80d8582 611 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 612 write_data(0);
Pokitto 22:e826f80d8582 613 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 614 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 615
Pokitto 22:e826f80d8582 616 for(x=0;x<220;x+=2)
Pokitto 22:e826f80d8582 617 {
Pokitto 22:e826f80d8582 618 d = scrbuf+(x>>1);// point to beginning of line in data
Pokitto 22:e826f80d8582 619 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 620 uint8_t s=0;
Pokitto 22:e826f80d8582 621 for(y=0;y<176;y++)
Pokitto 22:e826f80d8582 622 {
Pokitto 22:e826f80d8582 623 uint8_t t = *d >> 4; // higher nibble
Pokitto 22:e826f80d8582 624 uint8_t t2 = *d & 0xF; // lower nibble
Pokitto 22:e826f80d8582 625 /** higher nibble = left pixel in pixel pair **/
Pokitto 22:e826f80d8582 626 scanline[0][s] = paletteptr[t];
Pokitto 22:e826f80d8582 627 scanline[1][s++] = paletteptr[t2];
Pokitto 22:e826f80d8582 628 /** testing only **/
Pokitto 22:e826f80d8582 629 //scanline[0][s] = 0xFFFF*(s&1);
Pokitto 22:e826f80d8582 630 //scanline[1][s] = 0xFFFF*(!(s&1));
Pokitto 22:e826f80d8582 631 //s++;
Pokitto 22:e826f80d8582 632 /** until here **/
Pokitto 22:e826f80d8582 633 d+=220/2; // jump to read byte directly below in screenbuffer
Pokitto 22:e826f80d8582 634 }
Pokitto 22:e826f80d8582 635 s=0;
Pokitto 22:e826f80d8582 636 /** draw scanlines **/
Pokitto 22:e826f80d8582 637 /** leftmost scanline**/
Pokitto 22:e826f80d8582 638
Pokitto 22:e826f80d8582 639 for (s=0;s<176;) {
Pokitto 22:e826f80d8582 640 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 641 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 642 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 643 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 644 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 645 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 646 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 647 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 648 }
Pokitto 22:e826f80d8582 649
Pokitto 22:e826f80d8582 650 /** rightmost scanline**/
Pokitto 22:e826f80d8582 651 //setDRAMptr(xptr++,yoffset);
Pokitto 22:e826f80d8582 652 for (s=0;s<176;) {
Pokitto 22:e826f80d8582 653 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 654 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 655 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 656 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 657 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 658 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 659 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 660 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 661 }
Pokitto 22:e826f80d8582 662 }
Pokitto 22:e826f80d8582 663 }
Pokitto 22:e826f80d8582 664
Pokitto 22:e826f80d8582 665 void Pokitto::lcdRefreshGB(uint8_t * scrbuf, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 666 uint16_t x,y;
Pokitto 22:e826f80d8582 667 uint16_t scanline[48];
Pokitto 22:e826f80d8582 668 uint8_t * d;
Pokitto 22:e826f80d8582 669
Pokitto 22:e826f80d8582 670 #if POK_STRETCH
Pokitto 22:e826f80d8582 671 //uint16_t xptr = 8;
Pokitto 22:e826f80d8582 672 #else
Pokitto 22:e826f80d8582 673 //xptr = 26;
Pokitto 22:e826f80d8582 674 #endif
Pokitto 22:e826f80d8582 675
Pokitto 22:e826f80d8582 676 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 677 write_data(0); // 0
Pokitto 22:e826f80d8582 678 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 679 write_data(0);
Pokitto 22:e826f80d8582 680 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 681 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 682
Pokitto 22:e826f80d8582 683 /** draw border **/
Pokitto 22:e826f80d8582 684 for (int s=0;s<5*176;) {
Pokitto 22:e826f80d8582 685 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;s++;
Pokitto 22:e826f80d8582 686 }
Pokitto 22:e826f80d8582 687
Pokitto 22:e826f80d8582 688 for(x=0;x<84;x++)
Pokitto 22:e826f80d8582 689 {
Pokitto 22:e826f80d8582 690
Pokitto 22:e826f80d8582 691 d = scrbuf + x;// point to beginning of line in data
Pokitto 22:e826f80d8582 692
Pokitto 22:e826f80d8582 693 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 694 uint8_t s=0;
Pokitto 22:e826f80d8582 695 for(y=0;y<6;y++)
Pokitto 22:e826f80d8582 696 {
Pokitto 22:e826f80d8582 697 uint8_t t = *d;
Pokitto 22:e826f80d8582 698 #if POK_COLORDEPTH > 1
Pokitto 22:e826f80d8582 699 uint8_t t2 = *(d+504);
Pokitto 22:e826f80d8582 700 #endif
Pokitto 22:e826f80d8582 701 #if POK_COLORDEPTH > 2
Pokitto 22:e826f80d8582 702 uint8_t t3 = *(d+504+504);
Pokitto 22:e826f80d8582 703 #endif
Pokitto 22:e826f80d8582 704 #if POK_COLORDEPTH > 3
Pokitto 22:e826f80d8582 705 uint8_t t4 = *(d+504+504+504);
Pokitto 22:e826f80d8582 706 #endif
Pokitto 22:e826f80d8582 707 uint8_t paletteindex = 0;
Pokitto 22:e826f80d8582 708
Pokitto 22:e826f80d8582 709 /** bit 1 **/
Pokitto 22:e826f80d8582 710 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 711 paletteindex = (t & 0x1);
Pokitto 22:e826f80d8582 712 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 713 paletteindex = ((t & 0x1)) | ((t2 & 0x01)<<1);
Pokitto 22:e826f80d8582 714 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 715 paletteindex = (t & 0x1) | ((t2 & 0x1)<<1) | ((t3 & 0x1)<<2);
Pokitto 22:e826f80d8582 716 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 717 paletteindex = (t & 0x1) | ((t2 & 0x1)<<1) | ((t3 & 0x1)<<2) | ((t4 & 0x1)<<3);
Pokitto 22:e826f80d8582 718 #endif
Pokitto 22:e826f80d8582 719 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 720
Pokitto 22:e826f80d8582 721 /** bit 2 **/
Pokitto 22:e826f80d8582 722 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 723 paletteindex = (t & 0x2)>>1;
Pokitto 22:e826f80d8582 724 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 725 paletteindex = ((t & 0x2)>>1) | ((t2 & 0x02));
Pokitto 22:e826f80d8582 726 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 727 paletteindex = ((t & 0x2)>>1) | ((t2 & 0x2)) | ((t3 & 0x2)<<1);
Pokitto 22:e826f80d8582 728 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 729 paletteindex = ((t & 0x2)>>1) | ((t2 & 0x2)) | ((t3 & 0x2)<<1) | ((t4 & 0x2)<<2);
Pokitto 22:e826f80d8582 730 #endif
Pokitto 22:e826f80d8582 731 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 732
Pokitto 22:e826f80d8582 733 /** bit 3 **/
Pokitto 22:e826f80d8582 734 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 735 paletteindex = (t & 0x4)>>2;
Pokitto 22:e826f80d8582 736 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 737 paletteindex = ((t & 4)>>2) | ((t2 & 0x04)>>1);
Pokitto 22:e826f80d8582 738 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 739 paletteindex = ((t & 0x4)>>2) | ((t2 & 0x4)>>1) | (t3 & 0x4);
Pokitto 22:e826f80d8582 740 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 741 paletteindex = ((t & 0x4)>>2) | ((t2 & 0x4)>>1) | (t3 & 0x4) | ((t4 & 0x4)<<1);
Pokitto 22:e826f80d8582 742 #endif
Pokitto 22:e826f80d8582 743 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 744
Pokitto 22:e826f80d8582 745 /** bit 4 **/
Pokitto 22:e826f80d8582 746 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 747 paletteindex = (t & 0x8)>>3;
Pokitto 22:e826f80d8582 748 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 749 paletteindex = ((t & 0x8)>>3) | ((t2 & 0x08)>>2);
Pokitto 22:e826f80d8582 750 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 751 paletteindex = ((t & 0x8)>>3) | ((t2 & 0x8)>>2) | ((t3 & 0x8)>>1);
Pokitto 22:e826f80d8582 752 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 753 paletteindex = ((t & 0x8)>>3) | ((t2 & 0x8)>>2) | ((t3 & 0x8)>>1) | (t4 & 0x8);
Pokitto 22:e826f80d8582 754 #endif
Pokitto 22:e826f80d8582 755 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 756
Pokitto 22:e826f80d8582 757 /** bit 5 **/
Pokitto 22:e826f80d8582 758 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 759 paletteindex = (t & 0x10)>>4;
Pokitto 22:e826f80d8582 760 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 761 paletteindex = ((t & 0x10)>>4) | ((t2 & 0x10)>>3);
Pokitto 22:e826f80d8582 762 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 763 paletteindex = ((t & 0x10)>>4) | ((t2 & 0x10)>>3) | ((t3 & 0x10)>>2);
Pokitto 22:e826f80d8582 764 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 765 paletteindex = ((t & 0x10)>>4) | ((t2 & 0x10)>>3) | ((t3 & 0x10)>>2) | ((t4 & 0x10)>>1);
Pokitto 22:e826f80d8582 766 #endif
Pokitto 22:e826f80d8582 767 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 768
Pokitto 22:e826f80d8582 769 /** bit 6 **/
Pokitto 22:e826f80d8582 770 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 771 paletteindex = (t & 0x20)>>5;
Pokitto 22:e826f80d8582 772 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 773 paletteindex = ((t & 0x20)>>5) | ((t2 & 0x20)>>4);
Pokitto 22:e826f80d8582 774 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 775 paletteindex = ((t & 0x20)>>5) | ((t2 & 0x20)>>4) | ((t3 & 0x20)>>3);
Pokitto 22:e826f80d8582 776 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 777 paletteindex = ((t & 0x20)>>5) | ((t2 & 0x20)>>4) | ((t3 & 0x20)>>3) | ((t4 & 0x20)>>2);
Pokitto 22:e826f80d8582 778 #endif
Pokitto 22:e826f80d8582 779 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 780
Pokitto 22:e826f80d8582 781 /** bit 7 **/
Pokitto 22:e826f80d8582 782 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 783 paletteindex = (t & 0x40)>>6;
Pokitto 22:e826f80d8582 784 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 785 paletteindex = ((t & 0x40)>>6) | ((t2 & 0x40)>>5);
Pokitto 22:e826f80d8582 786 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 787 paletteindex = ((t & 0x40)>>6) | ((t2 & 0x40)>>5) | ((t3 & 0x40)>>4) ;
Pokitto 22:e826f80d8582 788 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 789 paletteindex = ((t & 0x40)>>6) | ((t2 & 0x40)>>5) | ((t3 & 0x40)>>4) | ((t4 & 0x40)>>3);
Pokitto 22:e826f80d8582 790 #endif
Pokitto 22:e826f80d8582 791 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 792
Pokitto 22:e826f80d8582 793 /** bit 8 **/
Pokitto 22:e826f80d8582 794 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 795 paletteindex = (t & 0x80)>>7;
Pokitto 22:e826f80d8582 796 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 797 paletteindex = ((t & 0x80)>>7) | ((t2 & 0x80)>>6);
Pokitto 22:e826f80d8582 798 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 799 paletteindex = ((t & 0x80)>>7) | ((t2 & 0x80)>>6) | ((t3 & 0x80)>>5);
Pokitto 22:e826f80d8582 800 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 801 paletteindex = ((t & 0x80)>>7) | ((t2 & 0x80)>>6) | ((t3 & 0x80)>>5) | ((t4 & 0x80)>>4);
Pokitto 22:e826f80d8582 802 #endif
Pokitto 22:e826f80d8582 803 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 804
Pokitto 22:e826f80d8582 805 d+=84; // jump to byte directly below
Pokitto 22:e826f80d8582 806 }
Pokitto 22:e826f80d8582 807
Pokitto 22:e826f80d8582 808
Pokitto 22:e826f80d8582 809 /*write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 810 write_data(0x10); // 0
Pokitto 22:e826f80d8582 811 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 812 write_data(xptr++);
Pokitto 22:e826f80d8582 813 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 814 CLR_CS_SET_CD_RD_WR;*/
Pokitto 22:e826f80d8582 815 /** draw border **/
Pokitto 22:e826f80d8582 816 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR; CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 817
Pokitto 22:e826f80d8582 818 s=0;
Pokitto 22:e826f80d8582 819
Pokitto 22:e826f80d8582 820 /** draw scanlines **/
Pokitto 22:e826f80d8582 821 for (s=0;s<48;) {
Pokitto 22:e826f80d8582 822 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 823 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 824 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 825 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 826 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 827 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 828 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 829 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 830 }
Pokitto 22:e826f80d8582 831 /** draw border **/
Pokitto 22:e826f80d8582 832 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR; CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 833
Pokitto 22:e826f80d8582 834
Pokitto 22:e826f80d8582 835 /*write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 836 write_data(0x10); // 0
Pokitto 22:e826f80d8582 837 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 838 write_data(xptr++);
Pokitto 22:e826f80d8582 839 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 840 CLR_CS_SET_CD_RD_WR;*/
Pokitto 22:e826f80d8582 841 /** draw border **/
Pokitto 22:e826f80d8582 842 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR; CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 843
Pokitto 22:e826f80d8582 844 for (s=0;s<48;) {
Pokitto 22:e826f80d8582 845 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 846 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 847 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 848 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 849 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 850 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 851 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 852 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 853 }
Pokitto 22:e826f80d8582 854
Pokitto 22:e826f80d8582 855 /** draw border **/
Pokitto 22:e826f80d8582 856 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR; CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 857
Pokitto 22:e826f80d8582 858
Pokitto 22:e826f80d8582 859 #if POK_STRETCH
Pokitto 22:e826f80d8582 860 //if (x>16 && x<68)
Pokitto 22:e826f80d8582 861 if (x&2)// && x&2)
Pokitto 22:e826f80d8582 862 {
Pokitto 22:e826f80d8582 863 /*write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 864 write_data(0x10); // 0
Pokitto 22:e826f80d8582 865 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 866 write_data(xptr++);
Pokitto 22:e826f80d8582 867 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 868 CLR_CS_SET_CD_RD_WR;*/
Pokitto 22:e826f80d8582 869 /** draw border **/
Pokitto 22:e826f80d8582 870 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR; CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 871
Pokitto 22:e826f80d8582 872
Pokitto 22:e826f80d8582 873 for (s=0;s<48;) {
Pokitto 22:e826f80d8582 874 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 875 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 876 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 877 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 878 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 879 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 880 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 881 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 882 }
Pokitto 22:e826f80d8582 883
Pokitto 22:e826f80d8582 884 /** draw border **/
Pokitto 22:e826f80d8582 885 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR; CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 886
Pokitto 22:e826f80d8582 887 }
Pokitto 22:e826f80d8582 888 #endif
Pokitto 22:e826f80d8582 889 }
Pokitto 22:e826f80d8582 890 /** draw border **/
Pokitto 22:e826f80d8582 891 for (int s=0;s<5*176;) {
Pokitto 22:e826f80d8582 892 setup_data_16(COLOR_BLACK);CLR_WR;SET_WR;s++;
Pokitto 22:e826f80d8582 893 }
Pokitto 22:e826f80d8582 894 }
Pokitto 22:e826f80d8582 895
Pokitto 22:e826f80d8582 896
Pokitto 22:e826f80d8582 897 void Pokitto::lcdRefreshAB(uint8_t * scrbuf, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 898 uint16_t x,y;
Pokitto 22:e826f80d8582 899 uint16_t scanline[64];
Pokitto 22:e826f80d8582 900 uint8_t *d;
Pokitto 22:e826f80d8582 901 //lcdClear();
Pokitto 22:e826f80d8582 902 #if POK_STRETCH
Pokitto 22:e826f80d8582 903 uint16_t xptr = 14;
Pokitto 22:e826f80d8582 904 uint8_t yoffset = 24;
Pokitto 22:e826f80d8582 905 #else
Pokitto 22:e826f80d8582 906 xptr = 0; //was 26
Pokitto 22:e826f80d8582 907 #endif
Pokitto 22:e826f80d8582 908
Pokitto 22:e826f80d8582 909 for(x=0;x<128;x++)
Pokitto 22:e826f80d8582 910 {
Pokitto 22:e826f80d8582 911 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 912 write_data(yoffset); // 0
Pokitto 22:e826f80d8582 913 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 914 write_data(xptr++);
Pokitto 22:e826f80d8582 915 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 916 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 917 //setDRAMptr(xptr++,yoffset);
Pokitto 22:e826f80d8582 918
Pokitto 22:e826f80d8582 919 d = scrbuf + x;// point to beginning of line in data
Pokitto 22:e826f80d8582 920
Pokitto 22:e826f80d8582 921 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 922 uint8_t s=0;
Pokitto 22:e826f80d8582 923 for(y=0;y<8;y++)
Pokitto 22:e826f80d8582 924 {
Pokitto 22:e826f80d8582 925 uint8_t t = *d;
Pokitto 22:e826f80d8582 926 #if POK_COLORDEPTH > 1
Pokitto 22:e826f80d8582 927 uint8_t t2 = *(d+AB_JUMP);
Pokitto 22:e826f80d8582 928 #endif // POK_COLORDEPTH
Pokitto 22:e826f80d8582 929 #if POK_COLORDEPTH > 2
Pokitto 22:e826f80d8582 930 uint8_t t3 = *(d+AB_JUMP+AB_JUMP);
Pokitto 22:e826f80d8582 931 #endif // POK_COLORDEPTH
Pokitto 22:e826f80d8582 932 #if POK_COLORDEPTH > 3
Pokitto 22:e826f80d8582 933 uint8_t t4 = *(d+AB_JUMP+AB_JUMP+AB_JUMP);
Pokitto 22:e826f80d8582 934 #endif // POK_COLORDEPTH
Pokitto 22:e826f80d8582 935 uint8_t paletteindex = 0;
Pokitto 22:e826f80d8582 936
Pokitto 22:e826f80d8582 937 /** bit 1 **/
Pokitto 22:e826f80d8582 938 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 939 paletteindex = (t & 0x1);
Pokitto 22:e826f80d8582 940 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 941 paletteindex = ((t & 0x1)) | ((t2 & 0x01)<<1);
Pokitto 22:e826f80d8582 942 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 943 paletteindex = (t & 0x1) | ((t2 & 0x1)<<1) | ((t3 & 0x1)<<2);
Pokitto 22:e826f80d8582 944 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 945 paletteindex = (t & 0x1) | ((t2 & 0x1)<<1) | ((t3 & 0x1)<<2) | ((t4 & 0x1)<<3);
Pokitto 22:e826f80d8582 946 #endif
Pokitto 22:e826f80d8582 947 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 948
Pokitto 22:e826f80d8582 949 /** bit 2 **/
Pokitto 22:e826f80d8582 950 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 951 paletteindex = (t & 0x2)>>1;
Pokitto 22:e826f80d8582 952 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 953 paletteindex = ((t & 0x2)>>1) | ((t2 & 0x02));
Pokitto 22:e826f80d8582 954 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 955 paletteindex = ((t & 0x2)>>1) | ((t2 & 0x2)) | ((t3 & 0x2)<<1);
Pokitto 22:e826f80d8582 956 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 957 paletteindex = ((t & 0x2)>>1) | ((t2 & 0x2)) | ((t3 & 0x2)<<1) | ((t4 & 0x2)<<2);
Pokitto 22:e826f80d8582 958 #endif
Pokitto 22:e826f80d8582 959 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 960
Pokitto 22:e826f80d8582 961 /** bit 3 **/
Pokitto 22:e826f80d8582 962 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 963 paletteindex = (t & 0x4)>>2;
Pokitto 22:e826f80d8582 964 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 965 paletteindex = ((t & 4)>>2) | ((t2 & 0x04)>>1);
Pokitto 22:e826f80d8582 966 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 967 paletteindex = ((t & 0x4)>>2) | ((t2 & 0x4)>>1) | (t3 & 0x4);
Pokitto 22:e826f80d8582 968 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 969 paletteindex = ((t & 0x4)>>2) | ((t2 & 0x4)>>1) | (t3 & 0x4) | ((t4 & 0x4)<<1);
Pokitto 22:e826f80d8582 970 #endif
Pokitto 22:e826f80d8582 971 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 972
Pokitto 22:e826f80d8582 973 /** bit 4 **/
Pokitto 22:e826f80d8582 974 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 975 paletteindex = (t & 0x8)>>3;
Pokitto 22:e826f80d8582 976 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 977 paletteindex = ((t & 0x8)>>3) | ((t2 & 0x08)>>2);
Pokitto 22:e826f80d8582 978 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 979 paletteindex = ((t & 0x8)>>3) | ((t2 & 0x8)>>2) | ((t3 & 0x8)>>1);
Pokitto 22:e826f80d8582 980 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 981 paletteindex = ((t & 0x8)>>3) | ((t2 & 0x8)>>2) | ((t3 & 0x8)>>1) | (t4 & 0x8);
Pokitto 22:e826f80d8582 982 #endif
Pokitto 22:e826f80d8582 983 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 984
Pokitto 22:e826f80d8582 985 /** bit 5 **/
Pokitto 22:e826f80d8582 986 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 987 paletteindex = (t & 0x10)>>4;
Pokitto 22:e826f80d8582 988 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 989 paletteindex = ((t & 0x10)>>4) | ((t2 & 0x10)>>3);
Pokitto 22:e826f80d8582 990 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 991 paletteindex = ((t & 0x10)>>4) | ((t2 & 0x10)>>3) | ((t3 & 0x10)>>2);
Pokitto 22:e826f80d8582 992 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 993 paletteindex = ((t & 0x10)>>4) | ((t2 & 0x10)>>3) | ((t3 & 0x10)>>2) | ((t4 & 0x10)>>1);
Pokitto 22:e826f80d8582 994 #endif
Pokitto 22:e826f80d8582 995 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 996
Pokitto 22:e826f80d8582 997 /** bit 6 **/
Pokitto 22:e826f80d8582 998 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 999 paletteindex = (t & 0x20)>>5;
Pokitto 22:e826f80d8582 1000 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 1001 paletteindex = ((t & 0x20)>>5) | ((t2 & 0x20)>>4);
Pokitto 22:e826f80d8582 1002 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 1003 paletteindex = ((t & 0x20)>>5) | ((t2 & 0x20)>>4) | ((t3 & 0x20)>>3);
Pokitto 22:e826f80d8582 1004 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 1005 paletteindex = ((t & 0x20)>>5) | ((t2 & 0x20)>>4) | ((t3 & 0x20)>>3) | ((t4 & 0x20)>>2);
Pokitto 22:e826f80d8582 1006 #endif
Pokitto 22:e826f80d8582 1007 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 1008
Pokitto 22:e826f80d8582 1009 /** bit 7 **/
Pokitto 22:e826f80d8582 1010 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 1011 paletteindex = (t & 0x40)>>6;
Pokitto 22:e826f80d8582 1012 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 1013 paletteindex = ((t & 0x40)>>6) | ((t2 & 0x40)>>5);
Pokitto 22:e826f80d8582 1014 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 1015 paletteindex = ((t & 0x40)>>6) | ((t2 & 0x40)>>5) | ((t3 & 0x40)>>4) ;
Pokitto 22:e826f80d8582 1016 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 1017 paletteindex = ((t & 0x40)>>6) | ((t2 & 0x40)>>5) | ((t3 & 0x40)>>4) | ((t4 & 0x40)>>3);
Pokitto 22:e826f80d8582 1018 #endif
Pokitto 22:e826f80d8582 1019 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 1020
Pokitto 22:e826f80d8582 1021 /** bit 8 **/
Pokitto 22:e826f80d8582 1022 #if POK_COLORDEPTH == 1
Pokitto 22:e826f80d8582 1023 paletteindex = (t & 0x80)>>7;
Pokitto 22:e826f80d8582 1024 #elif POK_COLORDEPTH == 2
Pokitto 22:e826f80d8582 1025 paletteindex = ((t & 0x80)>>7) | ((t2 & 0x80)>>6);
Pokitto 22:e826f80d8582 1026 #elif POK_COLORDEPTH == 3
Pokitto 22:e826f80d8582 1027 paletteindex = ((t & 0x80)>>7) | ((t2 & 0x80)>>6) | ((t3 & 0x80)>>5);
Pokitto 22:e826f80d8582 1028 #elif POK_COLORDEPTH == 4
Pokitto 22:e826f80d8582 1029 paletteindex = ((t & 0x80)>>7) | ((t2 & 0x80)>>6) | ((t3 & 0x80)>>5) | ((t4 & 0x80)>>4);
Pokitto 22:e826f80d8582 1030 #endif
Pokitto 22:e826f80d8582 1031 scanline[s++] = paletteptr[paletteindex];
Pokitto 22:e826f80d8582 1032
Pokitto 22:e826f80d8582 1033 d+=128; // jump to byte directly below
Pokitto 22:e826f80d8582 1034 }
Pokitto 22:e826f80d8582 1035
Pokitto 22:e826f80d8582 1036 s=0;
Pokitto 22:e826f80d8582 1037
Pokitto 22:e826f80d8582 1038 /** draw scanlines **/
Pokitto 22:e826f80d8582 1039 for (s=0;s<64;) {
Pokitto 22:e826f80d8582 1040 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1041 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1042 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1043 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1044 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1045 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1046 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1047 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1048 }
Pokitto 22:e826f80d8582 1049
Pokitto 22:e826f80d8582 1050 #if POK_STRETCH
Pokitto 22:e826f80d8582 1051 if (x&1) {
Pokitto 22:e826f80d8582 1052 write_command(0x20); // Horizontal DRAM Address
Pokitto 22:e826f80d8582 1053 write_data(yoffset); // 0
Pokitto 22:e826f80d8582 1054 write_command(0x21); // Vertical DRAM Address
Pokitto 22:e826f80d8582 1055 write_data(xptr++);
Pokitto 22:e826f80d8582 1056 write_command(0x22); // write data to DRAM
Pokitto 22:e826f80d8582 1057 CLR_CS_SET_CD_RD_WR;
Pokitto 22:e826f80d8582 1058 //setDRAMptr(xptr++,yoffset);
Pokitto 22:e826f80d8582 1059
Pokitto 22:e826f80d8582 1060 for (s=0;s<64;) {
Pokitto 22:e826f80d8582 1061 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1062 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1063 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1064 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1065 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1066 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1067 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1068 setup_data_16(scanline[s++]);CLR_WR;SET_WR;CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1069 }
Pokitto 22:e826f80d8582 1070 }
Pokitto 22:e826f80d8582 1071 #endif
Pokitto 22:e826f80d8582 1072 }
Pokitto 22:e826f80d8582 1073 }
Pokitto 22:e826f80d8582 1074
Pokitto 22:e826f80d8582 1075 void Pokitto::lcdRefreshModeGBC(uint8_t * scrbuf, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 1076 uint16_t x,y,xptr;
Pokitto 22:e826f80d8582 1077 uint16_t scanline[4][144]; // read 4 half-nibbles = 4 pixels at a time
Pokitto 22:e826f80d8582 1078 uint8_t *d, yoffset=0;
Pokitto 22:e826f80d8582 1079
Pokitto 22:e826f80d8582 1080 xptr = 0;
Pokitto 22:e826f80d8582 1081 setDRAMptr(xptr,yoffset);
Pokitto 22:e826f80d8582 1082
Pokitto 22:e826f80d8582 1083
Pokitto 22:e826f80d8582 1084 for(x=0;x<160;x+=4)
Pokitto 22:e826f80d8582 1085 {
Pokitto 22:e826f80d8582 1086 d = scrbuf+(x>>2);// point to beginning of line in data
Pokitto 22:e826f80d8582 1087 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 1088 uint8_t s=0;
Pokitto 22:e826f80d8582 1089 for(y=0;y<144;y++)
Pokitto 22:e826f80d8582 1090 {
Pokitto 22:e826f80d8582 1091 uint8_t tdata = *d;
Pokitto 22:e826f80d8582 1092 uint8_t t4 = tdata & 0x03; tdata >>= 2;// lowest half-nibble
Pokitto 22:e826f80d8582 1093 uint8_t t3 = tdata & 0x03; tdata >>= 2;// second lowest half-nibble
Pokitto 22:e826f80d8582 1094 uint8_t t2 = tdata & 0x03; tdata >>= 2;// second highest half-nibble
Pokitto 22:e826f80d8582 1095 uint8_t t = tdata & 0x03;// highest half-nibble
Pokitto 22:e826f80d8582 1096
Pokitto 22:e826f80d8582 1097 /** put nibble values in the scanlines **/
Pokitto 22:e826f80d8582 1098
Pokitto 22:e826f80d8582 1099 scanline[0][s] = paletteptr[t];
Pokitto 22:e826f80d8582 1100 scanline[1][s] = paletteptr[t2];
Pokitto 22:e826f80d8582 1101 scanline[2][s] = paletteptr[t3];
Pokitto 22:e826f80d8582 1102 scanline[3][s++] = paletteptr[t4];
Pokitto 22:e826f80d8582 1103
Pokitto 22:e826f80d8582 1104 d+=160/4; // jump to read byte directly below in screenbuffer
Pokitto 22:e826f80d8582 1105 }
Pokitto 22:e826f80d8582 1106
Pokitto 22:e826f80d8582 1107 s=0;
Pokitto 22:e826f80d8582 1108 /** draw scanlines **/
Pokitto 22:e826f80d8582 1109 for (s=0;s<144;) {
Pokitto 22:e826f80d8582 1110 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1111 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1112 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1113 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1114 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1115 setup_data_16(scanline[0][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1116 }
Pokitto 22:e826f80d8582 1117 setDRAMptr(++xptr,yoffset);
Pokitto 22:e826f80d8582 1118 for (s=0;s<144;) {
Pokitto 22:e826f80d8582 1119 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1120 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1121 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1122 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1123 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1124 setup_data_16(scanline[1][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1125 }
Pokitto 22:e826f80d8582 1126 setDRAMptr(++xptr,yoffset);
Pokitto 22:e826f80d8582 1127 for (s=0;s<144;) {
Pokitto 22:e826f80d8582 1128 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1129 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1130 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1131 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1132 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1133 setup_data_16(scanline[2][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1134 }
Pokitto 22:e826f80d8582 1135 setDRAMptr(++xptr,yoffset);
Pokitto 22:e826f80d8582 1136 for (s=0;s<144;) {
Pokitto 22:e826f80d8582 1137 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1138 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1139 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1140 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1141 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1142 setup_data_16(scanline[3][s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1143 }
Pokitto 22:e826f80d8582 1144 setDRAMptr(++xptr,yoffset);
Pokitto 22:e826f80d8582 1145 }
Pokitto 22:e826f80d8582 1146 }
Pokitto 22:e826f80d8582 1147
Pokitto 22:e826f80d8582 1148
Pokitto 22:e826f80d8582 1149 void Pokitto::lcdRefreshT1(uint8_t* tilebuf, uint8_t* tilecolorbuf, uint8_t* tileset, uint16_t* paletteptr) {
Pokitto 22:e826f80d8582 1150 #ifdef POK_TILEMODE
Pokitto 22:e826f80d8582 1151 uint16_t x,y,data,xptr;
Pokitto 22:e826f80d8582 1152 uint16_t scanline[176];
Pokitto 22:e826f80d8582 1153 uint8_t yoffset=0, tilebyte, tileindex, tilex=0, tiley=0,xcount;
Pokitto 22:e826f80d8582 1154
Pokitto 22:e826f80d8582 1155
Pokitto 22:e826f80d8582 1156 if (!tileset) return;
Pokitto 22:e826f80d8582 1157
Pokitto 22:e826f80d8582 1158 #if LCDWIDTH < POK_LCD_W
Pokitto 22:e826f80d8582 1159 xptr = (POK_LCD_W-LCDWIDTH)/2;
Pokitto 22:e826f80d8582 1160 #else
Pokitto 22:e826f80d8582 1161 xptr = 0;
Pokitto 22:e826f80d8582 1162 #endif
Pokitto 22:e826f80d8582 1163 #if LCDHEIGHT < POK_LCD_H
Pokitto 22:e826f80d8582 1164 yoffset = (POK_LCD_H-LCDHEIGHT)/2;
Pokitto 22:e826f80d8582 1165 #else
Pokitto 22:e826f80d8582 1166 yoffset = 0;
Pokitto 22:e826f80d8582 1167 #endif
Pokitto 22:e826f80d8582 1168
Pokitto 22:e826f80d8582 1169 for(x=0, xcount=0 ;x<LCDWIDTH;x++,xcount++) // loop through vertical columns
Pokitto 22:e826f80d8582 1170 {
Pokitto 22:e826f80d8582 1171 setDRAMptr(xptr++,yoffset); //point to VRAM
Pokitto 22:e826f80d8582 1172
Pokitto 22:e826f80d8582 1173 /** find colours in one scanline **/
Pokitto 22:e826f80d8582 1174 uint8_t s=0, tiley=0;
Pokitto 22:e826f80d8582 1175 //tileindex = tilebuf[tilex*POK_TILES_Y];
Pokitto 22:e826f80d8582 1176 if (xcount==POK_TILE_W) {
Pokitto 22:e826f80d8582 1177 tilex++;
Pokitto 22:e826f80d8582 1178 xcount=0;
Pokitto 22:e826f80d8582 1179 }
Pokitto 22:e826f80d8582 1180
Pokitto 22:e826f80d8582 1181 for(y=0;y<LCDHEIGHT;)
Pokitto 22:e826f80d8582 1182 {
Pokitto 22:e826f80d8582 1183 uint8_t tileval = tilebuf[tilex+tiley*POK_TILES_X]; //get tile number
Pokitto 22:e826f80d8582 1184 uint16_t index = tileval*POK_TILE_W+xcount;
Pokitto 22:e826f80d8582 1185 uint8_t tilebyte = tileset[index]; //get bitmap data
Pokitto 22:e826f80d8582 1186 for (uint8_t ycount=0, bitcount=0; ycount<POK_TILE_H; ycount++, y++, bitcount++) {
Pokitto 22:e826f80d8582 1187 if (bitcount==8) {
Pokitto 22:e826f80d8582 1188 bitcount=0;
Pokitto 22:e826f80d8582 1189 index += 176; //jump to byte below in the tileset bitmap
Pokitto 22:e826f80d8582 1190 tilebyte = tileset[index]; //get bitmap data
Pokitto 22:e826f80d8582 1191 }
Pokitto 22:e826f80d8582 1192 //tilebyte = tile[(tileindex>>4)+*POK_TILE_W]; //tilemaps are 16x16
Pokitto 22:e826f80d8582 1193 //uint8_t paletteindex = ((tilebyte>>(bitcount&0x7)) & 0x1);
Pokitto 22:e826f80d8582 1194 if (!tileval) scanline[s++] = COLOR_MAGENTA*((tilebyte>>bitcount)&0x1);//paletteptr[paletteindex];
Pokitto 22:e826f80d8582 1195 else scanline[s++] = paletteptr[((tilebyte>>bitcount)&0x1)*tileval];//paletteptr[paletteindex];
Pokitto 22:e826f80d8582 1196 }
Pokitto 22:e826f80d8582 1197 tiley++; //move to next tile
Pokitto 22:e826f80d8582 1198 }
Pokitto 22:e826f80d8582 1199 s=0;
Pokitto 22:e826f80d8582 1200
Pokitto 22:e826f80d8582 1201 /** draw scanlines **/
Pokitto 22:e826f80d8582 1202 for (s=0;s<LCDHEIGHT;) {
Pokitto 22:e826f80d8582 1203 setup_data_16(scanline[s++]);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1204 }
Pokitto 22:e826f80d8582 1205 }
Pokitto 22:e826f80d8582 1206 #endif
Pokitto 22:e826f80d8582 1207 }
Pokitto 22:e826f80d8582 1208
Pokitto 22:e826f80d8582 1209 void Pokitto::blitWord(uint16_t c) {
Pokitto 22:e826f80d8582 1210 setup_data_16(c);CLR_WR;SET_WR;
Pokitto 22:e826f80d8582 1211 }
Pokitto 22:e826f80d8582 1212
Pokitto 22:e826f80d8582 1213