Diff: MAX7456.cpp

Revision:

1:ba08ad32bb88

Parent:

0:869f2c6f960d

Child:

2:46adf929a2ba

diff -r 869f2c6f960d -r ba08ad32bb88 MAX7456.cpp
--- a/MAX7456.cpp	Mon Aug 23 10:39:40 2010 +0000
+++ b/MAX7456.cpp	Mon Aug 23 13:27:15 2010 +0000
@@ -39,7 +39,7 @@
 }
 
 
-void MAX7456::locate(int x, int y) { //not sure if I understand the last line
+void MAX7456::locate(int x, int y) { 
     if ( (x<30) && (y<16) ) {
         int add = y*30+x; //formula for converting coordinates into denary location
         _write(DMAL,add);
@@ -50,10 +50,21 @@
 
 
 int MAX7456::_getc() {
-    
+
     return(0);
 }
 
+void MAX7456::test(){
+   for (int i = 0 ; i < 255 ; i++) {
+       printf("Writing 0x%x to VM1\n",i);
+       _write(VM1,i);
+       wait (0.01);
+       int a = _read(VM1);
+       printf("Read 0x%x from VM1\n",a);       
+   }
+   int b = _read(VM1);
+   printf("Read 0x%x from VM1\n",b);
+   }
 
 int MAX7456::_putc(int c) {
 
@@ -72,16 +83,16 @@
     return(c);
 }
 
-void MAX7456::setdarkness(){
+void MAX7456::setdarkness() {
     _write(VM1,0xC7);
-    }
+}
 
-void MAX7456::initaddress(){
-   int d = _read(DMAH);
-   d= d&0xFC;
-   _write(DMAH,d);     // setting DMAH[1]=0
-   // to module to read/write character address byte
-   }
+void MAX7456::initaddress() {
+    int d = _read(DMAH);
+    d= d&0xFC;
+    _write(DMAH,d);     // setting DMAH[1]=0
+    // to module to read/write character address byte
+}
 
 
 
@@ -93,6 +104,7 @@
 }
 
 
+
 void MAX7456::format (char mode) {
 
     if (mode == 'P') {
@@ -100,7 +112,7 @@
     } else if (mode == 'N') {
         _write(VM0,0x78);  // NTSC
     }
-    
+
 }
 
 int MAX7456::_read(int address) {