--- /dev/null
+/*****************************************************************************/
+/* */
+/* _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 <DRAW>
+ 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
+};
+
#define _ATARI_H
-
/* Check for errors */
#if !defined(__ATARI__)
# error This module may only be used when compiling for the Atari!
#endif
-
/*****************************************************************************/
/* Character codes */
/*****************************************************************************/
/* 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)
#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
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