From: IrgendwerA8 Date: Sun, 3 Mar 2019 21:50:57 +0000 (+0100) Subject: Access Atari OS variables by structure. X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=8ead5f2f5a1bedf9439256428764ba5c68aaeb40;p=cc65 Access Atari OS variables by structure. --- diff --git a/doc/atari.sgml b/doc/atari.sgml index 42b06d83e..49993d22c 100644 --- a/doc/atari.sgml +++ b/doc/atari.sgml @@ -293,6 +293,25 @@ by defining an "UNUSED" memory area that is not written to the output file. Programs containing Atari specific code may use the +... + OS.savmsc = ScreenMemory; + OS.color4 = 14; // white frame + if (OS.stick0 != 15 || OS.ch != 255) // key or stick input? +... + + +Please note that memory location 762/$2FA is called "Atari specific functions

@@ -376,7 +395,7 @@ void DisplayList = DL_JVB }; ... -POKEW(560,(unsigned int)&DisplayList); // SDLSTL +OS.sdlst = &DisplayList; ... @@ -454,7 +473,7 @@ Example: ... while (!kbhit()); - switch (PEEK(764)) + switch (OS.ch) { case KEY_RETURN: ... diff --git a/include/_atarios.h b/include/_atarios.h new file mode 100644 index 000000000..89fcfea9b --- /dev/null +++ b/include/_atarios.h @@ -0,0 +1,655 @@ +/*****************************************************************************/ +/* */ +/* _atarios.h */ +/* */ +/* Internal include file, do not use directly */ +/* */ +/* */ +/* This software is provided 'as-is', without any expressed or implied */ +/* warranty. In no event will the authors be held liable for any damages */ +/* arising from the use of this software. */ +/* */ +/* Permission is granted to anyone to use this software for any purpose, */ +/* including commercial applications, and to alter it and redistribute it */ +/* freely, subject to the following restrictions: */ +/* */ +/* 1. The origin of this software must not be misrepresented; you must not */ +/* claim that you wrote the original software. If you use this software */ +/* in a product, an acknowledgment in the product documentation would be */ +/* appreciated but is not required. */ +/* 2. Altered source versions must be plainly marked as such, and must not */ +/* be misrepresented as being the original software. */ +/* 3. This notice may not be removed or altered from any source */ +/* distribution. */ +/* */ +/*****************************************************************************/ + +#ifndef __ATARIOS_H +#define __ATARIOS_H + + +/* IOCB Command Codes */ + +#define IOCB_OPEN 0x03 /* open */ +#define IOCB_GETREC 0x05 /* get record */ +#define IOCB_GETCHR 0x07 /* get character(s) */ +#define IOCB_PUTREC 0x09 /* put record */ +#define IOCB_PUTCHR 0x0B /* put character(s) */ +#define IOCB_CLOSE 0x0C /* close */ +#define IOCB_STATIS 0x0D /* status */ +#define IOCB_SPECIL 0x0E /* special */ +#define IOCB_DRAWLN 0x11 /* draw line */ +#define IOCB_FILLIN 0x12 /* draw line with right fill */ +#define IOCB_RENAME 0x20 /* rename disk file */ +#define IOCB_DELETE 0x21 /* delete disk file */ +#define IOCB_LOCKFL 0x23 /* lock file (set to read-only) */ +#define IOCB_UNLOCK 0x24 /* unlock file */ +#define IOCB_POINT 0x25 /* point sector */ +#define IOCB_NOTE 0x26 /* note sector */ +#define IOCB_GETFL 0x27 /* get file length */ +#define IOCB_CHDIR_MYDOS 0x29 /* change directory (MyDOS) */ +#define IOCB_MKDIR 0x2A /* make directory (MyDOS/SpartaDOS) */ +#define IOCB_RMDIR 0x2B /* remove directory (SpartaDOS) */ +#define IOCB_CHDIR_SPDOS 0x2C /* change directory (SpartaDOS) */ +#define IOCB_GETCWD 0x30 /* get current directory (MyDOS/SpartaDOS) */ +#define IOCB_FORMAT 0xFE /* format */ + + +/* I/O control block */ + +typedef struct { + unsigned char handler; /* handler index number (0xff free) */ + unsigned char drive; /* device number (drive) */ + unsigned char command; /* command */ + unsigned char status; /* status of last operation */ + void* buffer; /* pointer to buffer */ + void* put_byte; /* pointer to device's PUT BYTE routine */ + unsigned int buflen; /* length of buffer */ + unsigned char aux1; /* 1st auxiliary byte */ + unsigned char aux2; /* 2nd auxiliary byte */ + unsigned char aux3; /* 3rd auxiliary byte */ + unsigned char aux4; /* 4th auxiliary byte */ + unsigned char aux5; /* 5th auxiliary byte */ + unsigned char spare; /* spare byte */ +} IOCB; + + +/* DOS 2.x zeropage variables */ + +typedef struct { + unsigned char* zbufp; /* points to user filename */ + unsigned char* zdrva; /* points to serveral buffers (mostly VTOC) */ + unsigned char* zsba; /* points to sector buffer */ + unsigned char errno; /* number of occured error */ +} DOS2X; + + +/* A single device handler formed by it's routines */ + +typedef struct { + void *open; /* address of OPEN routine -1 */ + void *close; /* address of CLOSE routine -1 */ + void *get; /* address of GET BYTE routine -1 */ + void *put; /* address of PUT BYTE routine -1 */ + void *status; /* address of GET STATUS routine -1 */ + void *special; /* address od SPECIAL routine -1 */ + void (*init)(void); /* init routine (JMP INIT) */ + void *reserved; /* unused */ +} DEVHDL; + + +/* List of device handlers, as managed in HATABS */ + +typedef struct { + unsigned char id; /* ATASCII code of handler e.g. 'C','D','E','K','P','S','R' */ + DEVHDL* devhdl; /* Pointer to routines of device */ +} HATABS; + +/* Floating point register */ + +typedef struct { +#ifdef OS_REV2 + unsigned char fr; + unsigned char frm[5]; /* 5-byte register mantissa */ +#else + unsigned char fr[6]; /* 6 bytes for single register */ +#endif +} FPREG; + +enum { /* enum for access of floating point registers */ + R0 = 0, /* (to use as index) */ + RE = 1, + R1 = 2, + R2 = 3 +} FPIDX; + + +/* Define a structure with atari os register offsets */ + +struct __os { + + // --- Zero-Page --- + +#ifdef OSA + unsigned char* linzbs; // = $00/$01 LINBUG RAM (WILL BE REPLACED BY MONITOR RAM) +#else + unsigned char linflg; // = $00 LNBUG FLAG (0 = NOT LNBUG) + unsigned char ngflag; // = $01 MEMORY STATUS (0 = FAILURE) +#endif + unsigned char* casini; // = $02/$03 CASSETTE INIT LOCATION + unsigned char* ramlo; // = $04/$05 RAM POINTER FOR MEMORY TEST + +#ifdef OSA + unsigned char tramsz; // = $06 FLAG FOR LEFT CARTRIDGE + unsigned char tstdat; // = $07 FLAG FOR RIGHT CARTRIDGE +#else + unsigned char trnsmz; // = $06 TEMPORARY REGISTER FOR RAM SIZE + unsigned char tstdat; // = $07 UNUSED (NOT TOUCHED DURING RESET/COLD START) +#endif + + // Cleared upon Coldstart only + + unsigned char warmst; // = $08 WARM START FLAG + unsigned char bootq; // = $09 SUCCESSFUL BOOT FLAG + void (*dosvec)(void); // = $0A/$0B DISK SOFTWARE START VECTOR + void (*dosini)(void); // = $0C/$0D DISK SOFTWARE INIT ADDRESS + unsigned char* appmhi; // = $0E/$0F APPLICATIONS MEMORY HI LIMIT + + // Cleared upon Coldstart or Warmstart + + unsigned char pokmsk; // = $10 SYSTEM MASK FOR POKEY IRQ ENABLE + unsigned char brkkey; // = $11 BREAK KEY FLAG + unsigned char rtclok[3]; // = $12-$14 REAL TIME CLOCK (IN 16 MSEC UNITS) + unsigned char* bufadr; // = $15/$16 INDIRECT BUFFER ADDRESS REGISTER + unsigned char iccomt; // = $17 COMMAND FOR VECTOR + unsigned char* dskfms; // = $18/$19 DISK FILE MANAGER POINTER + unsigned char* dskutl; // = $1A/$1B DISK UTILITIES POINTER +#ifdef OSA + unsigned char ptimot; // = $1C PRINTER TIME OUT REGISTER + unsigned char pbpnt; // = $1D PRINT BUFFER POINTER + unsigned char pbufsz; // = $1E PRINT BUFFER SIZE + unsigned char ptemp; // = $1F TEMPORARY REGISTER +#else + unsigned char abufpt[4]; // = $1C-$1F ACMI BUFFER POINTER AREA +#endif + IOCB ziocb; // = $20-$2F ZERO PAGE I/O CONTROL BLOCK + + unsigned char status; // = $30 INTERNAL STATUS STORAGE + unsigned char chksum; // = $31 CHECKSUM (SINGLE BYTE SUM WITH CARRY) + unsigned char* bufr; // = $32/$33 POINTER TO DATA BUFFER + unsigned char* bfen; // = $34/$35 NEXT BYTE PAST END OF THE DATA BUFFER LO +#ifdef OSA + unsigned char cretry; // = $36 NUMBER OF COMMAND FRAME RETRIES + unsigned char dretry; // = $37 NUMBER OF DEVICE RETRIES +#else + unsigned int ltemp; // = $36/$37 LOADER TEMPORARY +#endif + unsigned char bufrfl; // = $38 DATA BUFFER FULL FLAG + unsigned char recvdn; // = $39 RECEIVE DONE FLAG + unsigned char xmtdon; // = $3A TRANSMISSION DONE FLAG + unsigned char chksnt; // = $3B CHECKSUM SENT FLAG + unsigned char nocksm; // = $3C NO CHECKSUM FOLLOWS DATA FLAG + unsigned char bptr; // = $3D CASSETTE BUFFER POINTER + unsigned char ftype; // = $3E CASSETTE IRG TYPE + unsigned char feof; // = $3F CASSETTE EOF FLAG (0 // = QUIET) + + unsigned char freq; // = $40 CASSETTE BEEP COUNTER + unsigned char soundr; // = $41 NOISY I/0 FLAG. (ZERO IS QUIET) + unsigned char critic; // = $42 DEFINES CRITICAL SECTION (CRITICAL IF NON-Z) + DOS2X fmszpg; // = $43-$49 DISK FILE MANAGER SYSTEM ZERO PAGE +#ifdef OSA + unsigned char ckey; // = $4A FLAG SET WHEN GAME START PRESSED + unsigned char cassbt; // = $4B CASSETTE BOOT FLAG +#else + void* zchain; // = $4A/$4B HANDLER LINKAGE CHAIN POINTER +#endif + unsigned char dstat; // = $4C DISPLAY STATUS + unsigned char atract; // = $4D ATRACT FLAG + unsigned char drkmsk; // = $4E DARK ATRACT MASK + unsigned char colrsh; // = $4F ATRACT COLOR SHIFTER (EOR'ED WITH PLAYFIELD + + unsigned char tmpchr; // = $50 TEMPORARY CHARACTER + unsigned char hold1; // = $51 TEMPORARY + unsigned char lmargn; // = $52 LEFT MARGIN (NORMALLY 2, CC65 C STARTUP CODE SETS IT TO 0) + unsigned char rmargn; // = $53 RIGHT MARGIN (NORMALLY 39 IF NO XEP80 IS USED) + unsigned char rowcrs; // = $54 1CURSOR ROW + unsigned int colcrs; // = $55/$56 CURSOR COLUMN + unsigned char dindex; // = $57 DISPLAY MODE + unsigned char* savmsc; // = $58/$59 SAVED MEMORY SCAN COUNTER + unsigned char oldrow; // = $5A PRIOR ROW + unsigned int oldcol; // = $5B/$5C PRIOR COLUMN + unsigned char oldchr; // = $5D DATA UNDER CURSOR + unsigned char* oldadr; // = $5E/$5F SAVED CURSOR MEMORY ADDRESS + +#ifdef OSA + unsigned char newrow; // = $60 POINT DRAW GOES TO + unsigned int newcol; // = $61/$62 COLUMN DRAW GOES TO +#else + unsigned char* fkdef; // = $60/$61 FUNCTION KEY DEFINITION TABLE + unsigned char palnts; // = $62 PAL/NTSC INDICATOR (0 // = NTSC) +#endif + unsigned char logcol; // = $63 POINTS AT COLUMN IN LOGICAL LINE + unsigned char* adress; // = $64/$65 TEMPORARY ADDRESS + unsigned int mlttmp; // = $66/$67 TEMPORARY / FIRST BYTE IS USED IN OPEN AS TEMP + unsigned int savadr; // = $68/$69 SAVED ADDRESS + unsigned char ramtop; // = $6A RAM SIZE DEFINED BY POWER ON LOGIC + unsigned char bufcnt; // = $6B BUFFER COUNT + unsigned char* bufstr; // = $6C/$6D EDITOR GETCH POINTER + unsigned char bitmsk; // = $6E BIT MASK + unsigned char shfamt; // = $6F SHIFT AMOUNT FOR PIXEL JUSTIFUCATION + + unsigned int rowac; // = $70/$71 DRAW WORKING ROW + unsigned int colac; // = $72/$73 DRAW WORKING COLUMN + unsigned char* endpt; // = $74/$75 END POINT + unsigned char deltar; // = $76 ROW DIFFERENCE + unsigned int deltac; // = $77/$78 COLUMN DIFFERENCE +#ifdef OSA + unsigned char rowinc; // = $79 ROWINC + unsigned char colinc; // = $7A COLINC +#else + unsigned char* keydef; // = $79/$7A 2-BYTE KEY DEFINITION TABLE ADDRESS +#endif + unsigned char swpflg; // = $7B NON-0 1F TXT AND REGULAR RAM IS SWAPPED + unsigned char holdch; // = $7C CH IS MOVED HERE IN KGETCH BEFORE CNTL & SH + unsigned char insdat; // = $7D 1-BYTE TEMPORARY + unsigned int countr; // = $7E/$7F 2-BYTE DRAW ITERATION COUNT + + unsigned char _free_1[0xD4-0x7F-1]; // USER SPACE + + // Floating Point Package Page Zero Address Equates + FPREG fpreg[4]; // = $D4-$EB 4 REGSITERS, ACCCESS LIKE "fpreg[R0].fr" + unsigned char frx; // = $EC 1-BYTE TEMPORARY + unsigned char eexp; // = $ED VALUE OF EXP +#ifdef OS_REV2 + unsigned char frsign; // = $EE ##REV2## 1-BYTE FLOATING POINT SIGN + unsigned char plycnt; // = $EF ##REV2## 1-BYTE POLYNOMIAL DEGREE + unsigned char sgnflg; // = $F0 ##REV2## 1-BYTE SIGN FLAG + unsigned char xfmflg; // = $F1 ##REV2## 1-BYTE TRANSFORM FLAG +#else + unsigned char nsign; // = $EE SIGN OF # + unsigned char esign; // = $EF SIGN OF EXPONENT + unsigned char fchrflg; // = $F0 1ST CHAR FLAG + unsigned char digrt; // = $F1 # OF DIGITS RIGHT OF DECIMAL +#endif + unsigned char cix; // = $F2 CURRENT INPUT INDEX + unsigned char* inbuff; // = $F3/$F4 POINTS TO USER'S LINE INPUT BUFFER + unsigned int ztemp1; // = $F5/$F6 2-BYTE TEMPORARY + unsigned int ztemp4; // = $F7/$F8 2-BYTE TEMPORARY + unsigned int ztemp3; // = $F9/$FA 2-BYTE TEMPORARY + + union { + unsigned char degflg; // = $FB ##OLD## SAME AS RADFLG + unsigned char radflg; // = $FB ##OLD## 0=RADIANS, 6=DEGREES + }; + + FPREG* flptr; // = $FC/$FD 2-BYTE FLOATING POINT NUMBER POINTER + FPREG* fptr2; // = $FE/$FF 2-BYTE FLOATING POINT NUMBER POINTER + + // --- Page 1 --- + + unsigned char stack[0x100]; // STACK + + // --- Page 2 --- + + void (*vdslst)(void); // = $0200/$0201 DISPLAY LIST NMI VECTOR + void (*vprced)(void); // = $0202/$0203 PROCEED LINE IRQ VECTOR + void (*vinter)(void); // = $0204/$0205 INTERRUPT LINE IRQ VECTOR + void (*vbreak)(void); // = $0206/$0207 SOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR + void (*vkeybd)(void); // = $0208/$0209 POKEY KEYBOARD IRQ VECTOR + void (*vserin)(void); // = $020A/$020B POKEY SERIAL INPUT READY IRQ + void (*vseror)(void); // = $020C/$020D POKEY SERIAL OUTPUT READY IRQ + void (*vseroc)(void); // = $020E/$020F POKEY SERIAL OUTPUT COMPLETE IRQ + void (*vtimr1)(void); // = $0210/$0201 POKEY TIMER 1 IRQ + void (*vtimr2)(void); // = $0212/$0203 POKEY TIMER 2 IRQ + void (*vtimr4)(void); // = $0214/$0205 POKEY TIMER 4 IRQ + void (*vimirq)(void); // = $0216/$0207 IMMEDIATE IRQ VECTOR + unsigned int cdtmv1; // = $0218/$0210 COUNT DOWN TIMER 1 + unsigned int cdtmv2; // = $021A/$021B COUNT DOWN TIMER 2 + unsigned int cdtmv3; // = $021C/$021D COUNT DOWN TIMER 3 + unsigned int cdtmv4; // = $021E/$021F COUNT DOWN TIMER 4 + unsigned int cdtmv5; // = $0220/$0221 COUNT DOWN TIMER 5 + void (*vvblki)(void); // = $0222/$0223 IMMEDIATE VERTICAL BLANK NMI VECTOR + void (*vvblkd)(void); // = $0224/$0224 DEFERRED VERTICAL BLANK NMI VECTOR + void (*cdtma1)(void); // = $0226/$0227 COUNT DOWN TIMER 1 JSR ADDRESS + void (*cdtma2)(void); // = $0228/$0229 COUNT DOWN TIMER 2 JSR ADDRESS + unsigned char cdtmf3; // = $022A COUNT DOWN TIMER 3 FLAG + unsigned char srtimr; // = $022B SOFTWARE REPEAT TIMER + unsigned char cdtmf4; // = $022C COUNT DOWN TIMER 4 FLAG + unsigned char intemp; // = $022D IAN'S TEMP + unsigned char cdtmf5; // = $022E COUNT DOWN TIMER FLAG 5 + unsigned char sdmctl; // = $022F SAVE DMACTL REGISTER + union { + struct { + unsigned char sdlstl; // = $0230 SAVE DISPLAY LIST LOW BYTE + unsigned char sdlsth; // = $0231 SAVE DISPLAY LIST HI BYTE + }; + void* sdlst; // = $0230/$0231 (same as above as pointer) + }; + unsigned char sskctl; // = $0232 SKCTL REGISTER RAM +#ifdef OSA + unsigned char _spare_1; // = $0233 No OS use. +#else + unsigned char lcount; // = $0233 ##1200xl## 1-byte relocating loader record +#endif + unsigned char lpenh; // = $0234 LIGHT PEN HORIZONTAL VALUE + unsigned char lpenv; // = $0235 LIGHT PEN VERTICAL VALUE + void (*brkky)(void); // = $0236/$0237 BREAK KEY VECTOR +#ifdef OSA + unsigned char spare2[2]; // = $0238/$0239 No OS use. +#else + void (*vpirq)(void); // = $0238/$0239 ##rev2## 2-byte parallel device IRQ vector +#endif + unsigned char cdevic; // = $023A COMMAND FRAME BUFFER - DEVICE + unsigned char ccomnd; // = $023B COMMAND + union { + struct { + unsigned char caux1; // = $023C COMMAND AUX BYTE 1 + unsigned char caux2; // = $023D COMMAND AUX BYTE 2 + }; + unsigned caux; // = $023C/$023D (same as above as word) + }; + unsigned char temp; // = $023E TEMPORARY RAM CELL + unsigned char errflg; // = $023F ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT + unsigned char dflags; // = $0240 DISK FLAGS FROM SECTOR ONE + unsigned char dbsect; // = $0241 NUMBER OF DISK BOOT SECTORS + unsigned char* bootad; // = $0242/$0243 ADDRESS WHERE DISK BOOT LOADER WILL BE PUT + unsigned char coldst; // = $0244 COLDSTART FLAG (1=IN MIDDLE OF COLDSTART> +#ifdef OSA + unsigned char spare3; // = $0245 No OS use. +#else + unsigned char reclen; // = $0245 ##1200xl## 1-byte relocating loader record length +#endif + unsigned char dsktim; // = $0246 DISK TIME OUT REGISTER +#ifdef OSA + unsigned char linbuf[40]; // = $0247-$026E ##old## CHAR LINE BUFFER +#else + unsigned char pdvmsk; // = $0247 ##rev2## 1-byte parallel device selection mask + unsigned char shpdvs; // = $0248 ##rev2## 1-byte PDVS (parallel device select) + unsigned char pdimsk; // = $0249 ##rev2## 1-byte parallel device IRQ selection + unsigned reladr; // = $024A/$024B ##rev2## 2-byte relocating loader relative adr. + unsigned char pptmpa; // = $024C ##rev2## 1-byte parallel device handler temporary + unsigned char pptmpx; // = $024D ##rev2## 1-byte parallel device handler temporary + unsigned char _reserved_1[29]; // = $024E-$026A RESERVED + unsigned char chsalt; // = $026B ##1200xl## 1-byte character set alternate + unsigned char vsflag; // = $026C ##1200xl## 1-byte fine vertical scroll count + unsigned char keydis; // = $026D ##1200xl## 1-byte keyboard disable + unsigned char fine; // = $026E ##1200xl## 1-byte fine scrolling mode +#endif + unsigned char gprior; // = $026F GLOBAL PRIORITY CELL + unsigned char paddl0; // = $0270 1-BYTE POTENTIOMETER 0 + unsigned char paddl1; // = $0271 1-BYTE POTENTIOMETER 1 + unsigned char paddl2; // = $0272 1-BYTE POTENTIOMETER 2 + unsigned char paddl3; // = $0273 1-BYTE POTENTIOMETER 3 + unsigned char paddl4; // = $0274 1-BYTE POTENTIOMETER 4 + unsigned char paddl5; // = $0275 1-BYTE POTENTIOMETER 5 + unsigned char paddl6; // = $0276 1-BYTE POTENTIOMETER 6 + unsigned char paddl7; // = $0277 1-BYTE POTENTIOMETER 7 + unsigned char stick0; // = $0278 1-byte joystick 0 + unsigned char stick1; // = $0279 1-byte joystick 1 + unsigned char stick2; // = $027A 1-byte joystick 2 + unsigned char stick3; // = $027B 1-byte joystick 3 + unsigned char ptrig0; // = $027C 1-BYTE PADDLE TRIGGER 0 + unsigned char ptrig1; // = $027D 1-BYTE PADDLE TRIGGER 1 + unsigned char ptrig2; // = $027E 1-BYTE PADDLE TRIGGER 2 + unsigned char ptrig3; // = $027F 1-BYTE PADDLE TRIGGER 3 + unsigned char ptrig4; // = $0280 1-BYTE PADDLE TRIGGER 4 + unsigned char ptrig5; // = $0281 1-BYTE PADDLE TRIGGER 5 + unsigned char ptrig6; // = $0281 1-BYTE PADDLE TRIGGER 6 + unsigned char ptrig7; // = $0283 1-BYTE PADDLE TRIGGER 7 + unsigned char strig0; // = $0284 1-BYTE JOYSTICK TRIGGER 0 + unsigned char strig1; // = $0285 1-BYTE JOYSTICK TRIGGER 1 + unsigned char strig2; // = $0286 1-BYTE JOYSTICK TRIGGER 2 + unsigned char strig3; // = $0287 1-BYTE JOYSTICK TRIGGER 3 +#ifdef OSA + unsigned char cstat; // = $0288 ##old## cassette status register +#else + unsigned char hibyte; // = $0288 ##1200xl## 1-byte relocating loader high byte +#endif + unsigned char wmode; // = $0289 1-byte cassette WRITE mode + unsigned char blim; // = $028A 1-byte cassette buffer limit +#ifdef OSA + unsigned char _reserved_2[5]; // = $028B-$028F RESERVED +#else + unsigned char imask; // = $028B ##rev2## (not used) + void (*jveck)(void); // = $028C/$028D 2-byte jump vector + unsigned newadr; // = $028E/028F ##1200xl## 2-byte relocating address +#endif + unsigned char txtrow; // = $0290 TEXT ROWCRS + unsigned txtcol; // = $0291/$0292 TEXT COLCRS + unsigned char tindex; // = $0293 TEXT INDEX + unsigned char* txtmsc; // = $0294/$0295 FOOLS CONVRT INTO NEW MSC + unsigned char txtold[6]; // = $0296-$029B OLDROW & OLDCOL FOR TEXT (AND THEN SOME) +#ifdef OSA + unsigned char tmpx1; // = $029C ##old## 1--byte temporary register +#else + unsigned char cretry; // = $029C ##1200xl## 1-byte number of command frame retries +#endif + unsigned char hold3; // = $029D 1-byte temporary + unsigned char subtmp; // = $029E 1-byte temporary + unsigned char hold2; // = $029F 1-byte (not used) + unsigned char dmask; // = $02A0 1-byte display (pixel location) mask + unsigned char tmplbt; // = $02A1 1-byte (not used) + unsigned char escflg; // = $02A2 ESCAPE FLAG + unsigned char tabmap[15]; // = $02A3-$02B1 15-byte (120 bit) tab stop bit map + unsigned char logmap[4]; // = $02B2-$02B5 LOGICAL LINE START BIT MAP + unsigned char invflg; // = $02B6 INVERSE VIDEO FLAG (TOGGLED BY ATARI KEY) + unsigned char filflg; // = $02B7 RIGHT FILL FLAG FOR DRAW + unsigned char tmprow; // = $02B8 1-byte temporary row + unsigned tmpcol; // = $02B9/$02BA 2-byte temporary column + unsigned char scrflg; // = $02BB SET IF SCROLL OCCURS + unsigned char hold4; // = $02BC TEMP CELL USED IN DRAW ONLY +#ifdef OSA + unsigned char hold5; // = $02BD ##old## DITTO +#else + unsigned char dretry; // = $02BD ##1200xl## 1-byte number of device retries +#endif + unsigned char shflok; // = $02BE 1-byte shift/control lock flags + unsigned char botscr; // = $02BF BOTTOM OF SCREEN 24 NORM 4 SPLIT + unsigned char pcolr0; // = $02C0 1-byte player-missile 0 color/luminance + unsigned char pcolr1; // = $02C1 1-byte player-missile 1 color/luminance + unsigned char pcolr2; // = $02C2 1-byte player-missile 2 color/luminance + unsigned char pcolr3; // = $02C3 1-byte player-missile 3 color/luminance + unsigned char color0; // = $02C4 1-byte playfield 0 color/luminance + unsigned char color1; // = $02C5 1-byte playfield 1 color/luminance + unsigned char color2; // = $02C6 1-byte playfield 2 color/luminance + unsigned char color3; // = $02C7 1-byte playfield 3 color/luminance + unsigned char color4; // = $02C8 1-byte background color/luminance +#ifdef OSA + unsigned char _spare_2[23]; // = $02C9-$02DF No OS use. +#else + union { + unsigned char parmbl[6]; // = $02C9 ##rev2## 6-byte relocating loader parameter + struct { + void (*runadr)(void); // = $02C9 ##1200xl## 2-byte run address + unsigned int hiused; // = $02CB ##1200xl## 2-byte highest non-zero page address + unsigned int zhiuse; // = $02CD ##1200xl## 2-byte highest zero page address + }; + }; + union { + unsigned char oldpar[6]; // = $02CF ##rev2## 6-byte relocating loader parameter + struct { + void (*gbytea)(void); // = $02CF ##1200xl## 2-byte GET-BYTE routine address + unsigned int loadad; // = $02D1 ##1200xl## 2-byte non-zero page load address + unsigned int zloada; // = $02D3 ##1200xl## 2-byte zero page load address + }; + }; + unsigned int dsctln; // = $02D5 ##1200xl## 2-byte disk sector length + unsigned int acmisr; // = $02D7 ##1200xl## 2-byte ACMI interrupt service routine + unsigned char krpdel; // = $02D9 ##1200xl## 1-byte auto-repeat delay + unsigned char keyrep; // = $02DA ##1200xl## 1-byte auto-repeat rate + unsigned char noclik; // = $02DB ##1200xl## 1-byte key click disable + unsigned char helpfg; // = $02DC ##1200xl## 1-byte HELP key flag (0 = no HELP) + unsigned char dmasav; // = $02DD ##1200xl## 1-byte SDMCTL save/restore + unsigned char pbpnt; // = $02DE ##1200xl## 1-byte printer buffer pointer + unsigned char pbufsz; // = $02DF ##1200xl## 1-byte printer buffer size +#endif + union { + unsigned char glbabs[4]; // = $02E0-$02E3 byte global variables for non-DOS users + struct { + void (*runad)(void); // = $02E0 ##map## 2-byte binary file run address + void (*initad)(void); // = $02E2 ##map## 2-byte binary file initialization address + }; + }; + unsigned char ramsiz; // = $02E4 RAM SIZE (HI BYTE ONLY) + void* memtop; // = $02E5 TOP OF AVAILABLE USER MEMORY + void* memlo; // = $02E7 BOTTOM OF AVAILABLE USER MEMORY +#ifdef OSA + unsigned char _spare_3; // = $02E9 No OS use. +#else + unsigned char hndlod; // = $02E9 ##1200xl## 1-byte user load flag +#endif + unsigned char dvstat[4]; // = $02EA-$02ED STATUS BUFFER + union { + unsigned int cbaud; // = $02EE/$02EF 2-byte cassette baud rate + struct { + unsigned char cbaudl; // = $02EE 1-byte low cassette baud rate + unsigned char cbaudh; // = $02EF 1-byte high cassette baud rate + }; + }; + unsigned char crsinh; // = $02F0 CURSOR INHIBIT (00 = CURSOR ON) + unsigned char keydel; // = $02F1 KEY DELAY + unsigned char ch1; // = $02F2 1-byte prior keyboard character + unsigned char chact; // = $02F3 CHACTL REGISTER RAM + unsigned char chbas; // = $02F4 CHBAS REGISTER RAM +#ifdef OSA + unsigned char _spare_4[5]; // = $02F5-$02F9 No OS use. +#else + unsigned char newrow; // = $02F5 ##1200xl## 1-byte draw destination row + unsigned int newcol; // = $02F6/$02F7 ##1200xl## 2-byte draw destination column + unsigned char rowinc; // = $02F8 ##1200xl## 1-byte draw row increment + unsigned char colinc; // = $02F9 ##1200xl## 1-byte draw column increment +#endif + unsigned char char_; // = $02FA 1-byte internal character (naming changed due to do keyword conflict) + unsigned char atachr; // = $02FB ATASCII CHARACTER + unsigned char ch; // = $02FC GLOBAL VARIABLE FOR KEYBOARD + unsigned char fildat; // = $02FD RIGHT FILL DATA + unsigned char dspflg; // = $02FE DISPLAY FLAG DISPLAY CNTLS IF NON-ZERO + unsigned char ssflag; // = $02FF START/STOP FLAG FOR PAGING (CNTL 1). CLEARE + + // --- Page 3 --- + + union { + unsigned char dcb[0x40]; // = $0300-$03XX DEVICE CONTROL BLOCK + struct { + unsigned char ddevic; // = $0300 PERIPHERAL UNIT 1 BUS I.D. NUMBER + unsigned char dunit; // = $0301 UNIT NUMBER + unsigned char dcomnd; // = $0302 BUS COMMAND + unsigned char dstats; // = $0303 COMMAND TYPE/STATUS RETURN + union { + void* dbuf; // = $0304/$0305 data buffer address + struct { + unsigned char dbuflo; // = $0304 1-byte low data buffer address + unsigned char dbufhi; // = $0305 1-byte high data buffer address + }; + }; + unsigned char dtimlo; // = $0306 DEVICE TIME OUT IN 1 SECOND UNITS + unsigned char dunuse; // = $0307 UNUSED BYTE + union { + unsigned int dbyt; // = $0308/$0309 number of bytes to transfer + struct { + unsigned char dbytlo; // = $0308 1-byte low number of bytes to transfer + unsigned char dbythi; // = $0309 1-byte high number of bytes to transfer + }; + }; + union { + unsigned int daux; // = $030A/$030B first and second auxiliary + struct { + unsigned char daux1; // = $030A 1-byte first command auxiliary + unsigned char daux2; // = $030B 1-byte second command auxiliary + }; + }; + unsigned int timer1; // = $030C/$030D INITIAL TIMER VALUE +#ifdef OSA + unsigned char addcor; // = $030E ##old## ADDITION CORRECTION +#else + unsigned char jmpers; // = $030E ##1200xl## 1-byte jumper options +#endif + unsigned char casflg; // = $030F CASSETTE MODE WHEN SET + unsigned char timer2; // = $0310/$0311 2-byte final baud rate timer value + unsigned char temp1; // = $0312 TEMPORARY STORAGE REGISTER +#ifdef OSA + unsigned char _spare_5; // = $0313 unused + unsigned char temp2; // = $0314 ##old## TEMPORARY STORAGE REGISTER +#else + unsigned char temp2; // = $0313 ##1200xl## 1-byte temporary + unsigned char ptimot; // = $0314 ##1200xl## 1-byte printer timeout +#endif + unsigned char temp3; // = $0315 TEMPORARY STORAGE REGISTER + unsigned char savio; // = $0316 SAVE SERIAL IN DATA PORT + unsigned char timflg; // = $0317 TIME OUT FLAG FOR BAUD RATE CORRECTION + unsigned char stackp; // = $0318 SIO STACK POINTER SAVE CELL + unsigned char tstat; // = $0319 TEMPORARY STATUS HOLDER +#ifdef OSA + HATABS hatabs[12]; // = $031A-$033D handler address table + unsigned int zeropad; // = $033E/$033F zero padding +#else + HATABS hatabs[11]; // = $031A-$033A handler address table + unsigned int zeropad; // = $033B/$033C zero padding + unsigned char pupbt1; // = $033D ##1200xl## 1-byte power-up validation byte 1 + unsigned char pupbt2; // = $033E ##1200xl## 1-byte power-up validation byte 2 + unsigned char pupbt3; // = $033F ##1200xl## 1-byte power-up validation byte 3 +#endif + }; + }; + IOCB iocb[8]; // = $0340-$03BF 8 I/O Control Blocks + unsigned char prnbuf[40]; // = $03C0-$3E7 PRINTER BUFFER +#ifdef OSA + unsigned char _spare_6[151]; // = $03E8-$047F unused +#else + unsigned char superf; // = $03E8 ##1200xl## 1-byte editor super function flag + unsigned char ckey; // = $03E9 ##1200xl## 1-byte cassette boot request flag + unsigned char cassbt; // = $03EA ##1200xl## 1-byte cassette boot flag + unsigned char cartck; // = $03EB ##1200xl## 1-byte cartridge equivalence check + unsigned char derrf; // = $03EC ##rev2## 1-byte screen OPEN error flag + unsigned char acmvar[11]; // = $03ED-$03F7 ##1200xl## reserved for ACMI, not cleared upon reset + unsigned char basicf; // = $03F8 ##rev2## 1-byte BASIC switch flag + unsigned char mintlk; // = $03F9 ##1200xl## 1-byte ACMI module interlock + unsigned char gintlk; // = $03FA ##1200xl## 1-byte cartridge interlock + void* chlink; // = $03FB/$03FC ##1200xl## 2-byte loaded handler chain link + unsigned char casbuf[131]; // = $03FD-$047F CASSETTE BUFFER +#endif + + // --- Page 4 --- + + unsigned char usarea[128]; // = $0480 128 bytes reserved for application + + // --- Page 5 --- + + unsigned char _spare_7[126]; // = $0500-$057D reserved for FP package / unused + unsigned char lbpr1; // = $057E LBUFF PREFIX 1 + unsigned char lbpr2; // = $057F LBUFF PREFIX 2 + unsigned char lbuff[128]; // = $0580-$05FF 128-byte line buffer +}; + + +/* Define a structure with the zero page atari basic register offsets */ + +struct __basic { + void* lowmem; // = $80/$81 POINTER TO BASIC'S LOW MEMORY + void* vntp; // = $82/$83 BEGINNING ADDRESS OF THE VARIABLE NAME TABLE + void* vntd; // = $84/$85 POINTER TO THE ENDING ADDRESS OF THE VARIABLE NAME TABLE PLUS ONE + void* vvtp; // = $86/$87 ADDRESS FOR THE VARIABLE VALUE TABLE + void* stmtab; // = $88/$89 ADDRESS OF THE STATEMENT TABLE + void* stmcur; // = $8A/$8B CURRENT BASIC STATEMENT POINTER + void* starp; // = $8C/$8D ADDRESS FOR THE STRING AND ARRAY TABLE + void* runstk; // = $8E/$8F ADDRESS OF THE RUNTIME STACK + void* memtop; // = $90/$91 POINTER TO THE TOP OF BASIC MEMORY + + unsigned char _internal_1[0xBA-0x91-1]; // INTERNAL DATA + + unsigned int stopln; // = $BA/$BB LINE WHERE A PROGRAM WAS STOPPED + + unsigned char _internal_2[0xC3-0xBB-1]; // INTERNAL DATA + + unsigned char errsav; // = $C3 NUMBER OF THE ERROR CODE + + unsigned char _internal_3[0xC9-0xC3-1]; // INTERNAL DATA + + unsigned char ptabw; // = $C9 NUMBER OF COLUMNS BETWEEN TAB STOPS + unsigned char loadflg; // = $CA LIST PROTECTION + + unsigned char _internal_4[0xD4-0xCA-1]; // INTERNAL DATA + + unsigned int binint; // = $D4/$D5 USR-CALL RETURN VALUE +}; + diff --git a/include/atari.h b/include/atari.h index 39b4e6947..78c006d42 100644 --- a/include/atari.h +++ b/include/atari.h @@ -37,14 +37,12 @@ #define _ATARI_H - /* Check for errors */ #if !defined(__ATARI__) # error This module may only be used when compiling for the Atari! #endif - /*****************************************************************************/ /* Character codes */ /*****************************************************************************/ @@ -358,6 +356,10 @@ extern void atrx15p2_tgi[]; /* Define hardware and where they're mapped in memory */ /*****************************************************************************/ +#include <_atarios.h> +#define OS (*(struct __os*)0x0000) +#define BASIC (*(struct __basic)0x0080) + #include <_gtia.h> #define GTIA_READ (*(struct __gtia_read*)0xD000) #define GTIA_WRITE (*(struct __gtia_write*)0xD000) @@ -489,129 +491,5 @@ extern void atrx15p2_tgi[]; #define PxCTL_IRQ_STATUS 0x80 -/*****************************************************************************/ -/* Shadow registers for hardware registers */ -/*****************************************************************************/ - -/* GTIA */ -#define STRIG0 (*(unsigned char*)0x284) /* TRIG0 */ -#define STRIG1 (*(unsigned char*)0x285) /* TRIG1 */ -#define STRIG2 (*(unsigned char*)0x286) /* TRIG2 */ -#define STRIG3 (*(unsigned char*)0x287) /* TRIG3 */ -#define PCOLR0 (*(unsigned char*)0x2C0) /* COLPM0 */ -#define PCOLR1 (*(unsigned char*)0x2C1) /* COLPM1 */ -#define PCOLR2 (*(unsigned char*)0x2C2) /* COLPM2 */ -#define PCOLR3 (*(unsigned char*)0x2C3) /* COLPM3 */ -#define COLOR0 (*(unsigned char*)0x2C4) /* COLPF0 */ -#define COLOR1 (*(unsigned char*)0x2C5) /* COLPF1 */ -#define COLOR2 (*(unsigned char*)0x2C6) /* COLPF2 */ -#define COLOR3 (*(unsigned char*)0x2C7) /* COLPF3 */ -#define COLOR4 (*(unsigned char*)0x2C8) /* COLPBK */ -#define GPRIOR (*(unsigned char*)0x264) /* PRIOR */ - -/* ANTIC */ -#define SDMCTL (*(unsigned char*)0x22F) /* DMACTL */ -#define CHACT (*(unsigned char*)0x2F3) /* CHACTL */ -#define SDLSTL (*(unsigned char*)0x230) /* DLISTL */ -#define SDLSTH (*(unsigned char*)0x231) /* DLISTH */ -#define SDLST (*(unsigned int*)0x230) /* DLISTL/H together */ -#define CHBAS (*(unsigned char*)0x2F4) /* CHBASE */ -#define LPENH (*(unsigned char*)0x233) /* PENH */ -#define LPENV (*(unsigned char*)0x234) /* PENV */ - -/* POKEY */ -#define PADDL0 (*(unsigned char*)0x270) /* POT0 */ -#define PADDL1 (*(unsigned char*)0x271) /* POT1 */ -#define PADDL2 (*(unsigned char*)0x272) /* POT2 */ -#define PADDL3 (*(unsigned char*)0x273) /* POT3 */ -#define PADDL4 (*(unsigned char*)0x274) /* POT4 */ -#define PADDL5 (*(unsigned char*)0x275) /* POT5 */ -#define PADDL6 (*(unsigned char*)0x276) /* POT6 */ -#define PADDL7 (*(unsigned char*)0x277) /* POT7 */ -#define CH (*(unsigned char*)0x2FC) /* KBCODE */ -#define POKMSK (*(unsigned char*)0x10) /* IRQEN */ - -/* PIA */ -#define STICK0 (*(unsigned char*)0x278) /* PORTA for controller port 1 */ -#define STICK1 (*(unsigned char*)0x279) /* PORTA for controller port 2 */ -#define STICK2 (*(unsigned char*)0x27A) /* PORTB for controller port 3 */ -#define STICK3 (*(unsigned char*)0x27B) /* PORTB for controller port 4 */ -#define PTRIG0 (*(unsigned char*)0x27C) /* PORTA for controller port 1, paddle 1 */ -#define PTRIG1 (*(unsigned char*)0x27D) /* PORTA for controller port 1, paddle 2 */ -#define PTRIG2 (*(unsigned char*)0x27E) /* PORTA for controller port 1, paddle 3 */ -#define PTRIG3 (*(unsigned char*)0x27F) /* PORTA for controller port 1, paddle 4 */ -#define PTRIG4 (*(unsigned char*)0x280) /* PORTA for controller port 2, paddle 5 */ -#define PTRIG5 (*(unsigned char*)0x281) /* PORTA for controller port 2, paddle 6 */ -#define PTRIG6 (*(unsigned char*)0x282) /* PORTA for controller port 2, paddle 7 */ -#define PTRIG7 (*(unsigned char*)0x283) /* PORTA for controller port 2, paddle 8 */ - - -/*****************************************************************************/ -/* Device control block */ -/*****************************************************************************/ - -struct __dcb { - unsigned char device; /* device id */ - unsigned char unit; /* unit number */ - unsigned char command; /* command */ - unsigned char status; /* command type / status return */ - void *buffer; /* pointer to buffer */ - unsigned char timeout; /* device timeout in seconds */ - unsigned char unused; - unsigned int xfersize; /* # of bytes to transfer */ - unsigned char aux1; /* 1st command auxiliary byte */ - unsigned char aux2; /* 2nd command auxiliary byte */ -}; -#define DCB (*(struct __dcb *)0x300) - - -/*****************************************************************************/ -/* I/O control block */ -/*****************************************************************************/ - -struct __iocb { - unsigned char handler; /* handler index number (0xff free) */ - unsigned char drive; /* device number (drive) */ - unsigned char command; /* command */ - unsigned char status; /* status of last operation */ - void *buffer; /* pointer to buffer */ - void *put_byte; /* pointer to device's PUT BYTE routine */ - unsigned int buflen; /* length of buffer */ - unsigned char aux1; /* 1st auxiliary byte */ - unsigned char aux2; /* 2nd auxiliary byte */ - unsigned char aux3; /* 3rd auxiliary byte */ - unsigned char aux4; /* 4th auxiliary byte */ - unsigned char aux5; /* 5th auxiliary byte */ - unsigned char spare; /* spare byte */ -}; -#define ZIOCB (*(struct __iocb *)0x20) /* zero page IOCB */ -#define IOCB (*(struct __iocb *)0x340) /* system IOCB buffers */ - -/* IOCB Command Codes */ -#define IOCB_OPEN 0x03 /* open */ -#define IOCB_GETREC 0x05 /* get record */ -#define IOCB_GETCHR 0x07 /* get character(s) */ -#define IOCB_PUTREC 0x09 /* put record */ -#define IOCB_PUTCHR 0x0B /* put character(s) */ -#define IOCB_CLOSE 0x0C /* close */ -#define IOCB_STATIS 0x0D /* status */ -#define IOCB_SPECIL 0x0E /* special */ -#define IOCB_DRAWLN 0x11 /* draw line */ -#define IOCB_FILLIN 0x12 /* draw line with right fill */ -#define IOCB_RENAME 0x20 /* rename disk file */ -#define IOCB_DELETE 0x21 /* delete disk file */ -#define IOCB_LOCKFL 0x23 /* lock file (set to read-only) */ -#define IOCB_UNLOCK 0x24 /* unlock file */ -#define IOCB_POINT 0x25 /* point sector */ -#define IOCB_NOTE 0x26 /* note sector */ -#define IOCB_GETFL 0x27 /* get file length */ -#define IOCB_CHDIR_MYDOS 0x29 /* change directory (MyDOS) */ -#define IOCB_MKDIR 0x2A /* make directory (MyDOS/SpartaDOS) */ -#define IOCB_RMDIR 0x2B /* remove directory (SpartaDOS) */ -#define IOCB_CHDIR_SPDOS 0x2C /* change directory (SpartaDOS) */ -#define IOCB_GETCWD 0x30 /* get current directory (MyDOS/SpartaDOS) */ -#define IOCB_FORMAT 0xFE /* format */ - - /* End of atari.h */ #endif