Gert van der Knokke / Mbed 2 deprecated C1541III

C1541-III mbed edition

Dependencies:   mbed

main.h@1:0cbbb66a6100, 2011-08-22 (annotated)

Committer:
gertk
Date:
Mon Aug 22 21:11:59 2011 +0000
Revision:
1:0cbbb66a6100
Parent:
0:28557a4d2215 
updated the nRESET pin to an interrupt capable pin (p29)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gertk 0:28557a4d2215 1 #ifndef _MAIN_H_INCLUDED
gertk 0:28557a4d2215 2 #define _MAIN_H_INCLUDED
gertk 0:28557a4d2215 3
gertk 0:28557a4d2215 4 /*constants*/
gertk 0:28557a4d2215 5 #define MAX_NUMBER_OF_DOS_BUFFERS 5 /*the maximum numbers of available buffers within this device*/
gertk 0:28557a4d2215 6
gertk 0:28557a4d2215 7 /*structures*/
gertk 0:28557a4d2215 8 struct DOS_buffer_struct
gertk 0:28557a4d2215 9 {
gertk 0:28557a4d2215 10 unsigned char buffer_in_use; /*this flag indicates wether the buffer is allready in use*/
gertk 0:28557a4d2215 11 unsigned char buffer[256]; /*the buffer capable of holding a complete block*/
gertk 0:28557a4d2215 12 };
gertk 0:28557a4d2215 13
gertk 0:28557a4d2215 14 struct DOS_channel_struct
gertk 0:28557a4d2215 15 {
gertk 0:28557a4d2215 16 unsigned char channel_in_use; /*this flag indicates wether this channel is allready in use*/
gertk 0:28557a4d2215 17 unsigned char next_action; /*this holds the next action (if nothing interupts it) for this channel*/
gertk 0:28557a4d2215 18 unsigned char filename[17]; /*the actual filename, as it is stored on the disk*/
gertk 0:28557a4d2215 19 unsigned char filetype; /*filetype can be sequential, program, user, etc.*/
gertk 0:28557a4d2215 20 unsigned char RW; /*file read or write*/
gertk 0:28557a4d2215 21 unsigned char track; /*the current track position on the disk regarding this file*/
gertk 0:28557a4d2215 22 unsigned char sector; /*the current sector position on the disk regarding this file*/
gertk 0:28557a4d2215 23 unsigned char buffer_pointer; /*the current byte position within the block specified by track and sector on the disk regarding this file*/
gertk 0:28557a4d2215 24 unsigned char used_buffer; /*this register holds the value of the connected buffer (if required)*/
gertk 0:28557a4d2215 25 unsigned char status; /*the current status of this file entry in the sa_DOS_buffer*/
gertk 0:28557a4d2215 26 };
gertk 0:28557a4d2215 27
gertk 0:28557a4d2215 28 /*variables*/
gertk 0:28557a4d2215 29 extern unsigned char RAM_buffer[256]; /*this is the buffer capable of holding one 256 byte block, a memory area to which the user or the 1541-III can write/read data to/from*/
gertk 0:28557a4d2215 30 //extern unsigned char BAM_buffer[162]; /*this buffer holds the Block Allocation Map, required for when we want to write to the D64 (max 40 tracks)*/
gertk 0:28557a4d2215 31 extern unsigned char block_buffer[512]; /*this buffers the data 'as read from' or 'to be written to' the card*/
gertk 0:28557a4d2215 32 extern struct DOS_buffer_struct DOS_buffer[MAX_NUMBER_OF_DOS_BUFFERS]; /*this array of structs holds the information about the currently used buffers*/
gertk 0:28557a4d2215 33 extern struct DOS_channel_struct DOS_channel[16]; /*this array of structs holds this information about the currently used channels*/
gertk 0:28557a4d2215 34
gertk 0:28557a4d2215 35 extern unsigned char Card_CID(void);
gertk 0:28557a4d2215 36 extern unsigned char Card_CSD(void);
gertk 0:28557a4d2215 37
gertk 0:28557a4d2215 38 /*routines*/
gertk 0:28557a4d2215 39 /*--------*/
gertk 0:28557a4d2215 40 // void delay_10uS(unsigned long delay);
gertk 0:28557a4d2215 41
gertk 0:28557a4d2215 42 //void CLRWDT();
gertk 0:28557a4d2215 43
gertk 0:28557a4d2215 44 #endif