Access Atari OS variables by structure.
This commit is contained in:
IrgendwerA8
130
include/atari.h
130
include/atari.h
@@ -37,14 +37,12 @@
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#define _ATARI_H
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/* Check for errors */
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#if !defined(__ATARI__)
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# error This module may only be used when compiling for the Atari!
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#endif
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/*****************************************************************************/
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/* Character codes */
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/*****************************************************************************/
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@@ -358,6 +356,10 @@ extern void atrx15p2_tgi[];
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/* Define hardware and where they're mapped in memory */
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/*****************************************************************************/
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#include <_atarios.h>
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#define OS (*(struct __os*)0x0000)
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#define BASIC (*(struct __basic)0x0080)
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#include <_gtia.h>
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#define GTIA_READ (*(struct __gtia_read*)0xD000)
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#define GTIA_WRITE (*(struct __gtia_write*)0xD000)
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@@ -489,129 +491,5 @@ extern void atrx15p2_tgi[];
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#define PxCTL_IRQ_STATUS 0x80
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/*****************************************************************************/
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/* Shadow registers for hardware registers */
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/*****************************************************************************/
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/* GTIA */
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#define STRIG0 (*(unsigned char*)0x284) /* TRIG0 */
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#define STRIG1 (*(unsigned char*)0x285) /* TRIG1 */
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#define STRIG2 (*(unsigned char*)0x286) /* TRIG2 */
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#define STRIG3 (*(unsigned char*)0x287) /* TRIG3 */
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#define PCOLR0 (*(unsigned char*)0x2C0) /* COLPM0 */
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#define PCOLR1 (*(unsigned char*)0x2C1) /* COLPM1 */
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#define PCOLR2 (*(unsigned char*)0x2C2) /* COLPM2 */
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#define PCOLR3 (*(unsigned char*)0x2C3) /* COLPM3 */
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#define COLOR0 (*(unsigned char*)0x2C4) /* COLPF0 */
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#define COLOR1 (*(unsigned char*)0x2C5) /* COLPF1 */
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#define COLOR2 (*(unsigned char*)0x2C6) /* COLPF2 */
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#define COLOR3 (*(unsigned char*)0x2C7) /* COLPF3 */
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#define COLOR4 (*(unsigned char*)0x2C8) /* COLPBK */
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#define GPRIOR (*(unsigned char*)0x264) /* PRIOR */
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/* ANTIC */
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#define SDMCTL (*(unsigned char*)0x22F) /* DMACTL */
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#define CHACT (*(unsigned char*)0x2F3) /* CHACTL */
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#define SDLSTL (*(unsigned char*)0x230) /* DLISTL */
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#define SDLSTH (*(unsigned char*)0x231) /* DLISTH */
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#define SDLST (*(unsigned int*)0x230) /* DLISTL/H together */
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#define CHBAS (*(unsigned char*)0x2F4) /* CHBASE */
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#define LPENH (*(unsigned char*)0x233) /* PENH */
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#define LPENV (*(unsigned char*)0x234) /* PENV */
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/* POKEY */
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#define PADDL0 (*(unsigned char*)0x270) /* POT0 */
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#define PADDL1 (*(unsigned char*)0x271) /* POT1 */
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#define PADDL2 (*(unsigned char*)0x272) /* POT2 */
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#define PADDL3 (*(unsigned char*)0x273) /* POT3 */
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#define PADDL4 (*(unsigned char*)0x274) /* POT4 */
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#define PADDL5 (*(unsigned char*)0x275) /* POT5 */
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#define PADDL6 (*(unsigned char*)0x276) /* POT6 */
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#define PADDL7 (*(unsigned char*)0x277) /* POT7 */
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#define CH (*(unsigned char*)0x2FC) /* KBCODE */
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#define POKMSK (*(unsigned char*)0x10) /* IRQEN */
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/* PIA */
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#define STICK0 (*(unsigned char*)0x278) /* PORTA for controller port 1 */
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#define STICK1 (*(unsigned char*)0x279) /* PORTA for controller port 2 */
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#define STICK2 (*(unsigned char*)0x27A) /* PORTB for controller port 3 */
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#define STICK3 (*(unsigned char*)0x27B) /* PORTB for controller port 4 */
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#define PTRIG0 (*(unsigned char*)0x27C) /* PORTA for controller port 1, paddle 1 */
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#define PTRIG1 (*(unsigned char*)0x27D) /* PORTA for controller port 1, paddle 2 */
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#define PTRIG2 (*(unsigned char*)0x27E) /* PORTA for controller port 1, paddle 3 */
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#define PTRIG3 (*(unsigned char*)0x27F) /* PORTA for controller port 1, paddle 4 */
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#define PTRIG4 (*(unsigned char*)0x280) /* PORTA for controller port 2, paddle 5 */
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#define PTRIG5 (*(unsigned char*)0x281) /* PORTA for controller port 2, paddle 6 */
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#define PTRIG6 (*(unsigned char*)0x282) /* PORTA for controller port 2, paddle 7 */
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#define PTRIG7 (*(unsigned char*)0x283) /* PORTA for controller port 2, paddle 8 */
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/*****************************************************************************/
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/* Device control block */
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/*****************************************************************************/
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struct __dcb {
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unsigned char device; /* device id */
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unsigned char unit; /* unit number */
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unsigned char command; /* command */
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unsigned char status; /* command type / status return */
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void *buffer; /* pointer to buffer */
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unsigned char timeout; /* device timeout in seconds */
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unsigned char unused;
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unsigned int xfersize; /* # of bytes to transfer */
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unsigned char aux1; /* 1st command auxiliary byte */
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unsigned char aux2; /* 2nd command auxiliary byte */
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};
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#define DCB (*(struct __dcb *)0x300)
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/*****************************************************************************/
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/* I/O control block */
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/*****************************************************************************/
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struct __iocb {
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unsigned char handler; /* handler index number (0xff free) */
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unsigned char drive; /* device number (drive) */
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unsigned char command; /* command */
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unsigned char status; /* status of last operation */
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void *buffer; /* pointer to buffer */
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void *put_byte; /* pointer to device's PUT BYTE routine */
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unsigned int buflen; /* length of buffer */
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unsigned char aux1; /* 1st auxiliary byte */
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unsigned char aux2; /* 2nd auxiliary byte */
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unsigned char aux3; /* 3rd auxiliary byte */
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unsigned char aux4; /* 4th auxiliary byte */
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unsigned char aux5; /* 5th auxiliary byte */
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unsigned char spare; /* spare byte */
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};
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#define ZIOCB (*(struct __iocb *)0x20) /* zero page IOCB */
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#define IOCB (*(struct __iocb *)0x340) /* system IOCB buffers */
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/* IOCB Command Codes */
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#define IOCB_OPEN 0x03 /* open */
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#define IOCB_GETREC 0x05 /* get record */
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#define IOCB_GETCHR 0x07 /* get character(s) */
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#define IOCB_PUTREC 0x09 /* put record */
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#define IOCB_PUTCHR 0x0B /* put character(s) */
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#define IOCB_CLOSE 0x0C /* close */
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#define IOCB_STATIS 0x0D /* status */
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#define IOCB_SPECIL 0x0E /* special */
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#define IOCB_DRAWLN 0x11 /* draw line */
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#define IOCB_FILLIN 0x12 /* draw line with right fill */
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#define IOCB_RENAME 0x20 /* rename disk file */
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#define IOCB_DELETE 0x21 /* delete disk file */
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#define IOCB_LOCKFL 0x23 /* lock file (set to read-only) */
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#define IOCB_UNLOCK 0x24 /* unlock file */
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#define IOCB_POINT 0x25 /* point sector */
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#define IOCB_NOTE 0x26 /* note sector */
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#define IOCB_GETFL 0x27 /* get file length */
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#define IOCB_CHDIR_MYDOS 0x29 /* change directory (MyDOS) */
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#define IOCB_MKDIR 0x2A /* make directory (MyDOS/SpartaDOS) */
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#define IOCB_RMDIR 0x2B /* remove directory (SpartaDOS) */
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#define IOCB_CHDIR_SPDOS 0x2C /* change directory (SpartaDOS) */
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#define IOCB_GETCWD 0x30 /* get current directory (MyDOS/SpartaDOS) */
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#define IOCB_FORMAT 0xFE /* format */
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/* End of atari.h */
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#endif
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