/* 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 */
+ unsigned char ddevic; /* device id */
+ unsigned char dunit; /* unit number */
+ unsigned char dcomnd; /* command */
+ unsigned char dstats; /* command type / status return */
+ void *dbuf; /* pointer to buffer */
+ unsigned char dtimlo; /* device timeout in seconds */
+ unsigned char dunuse; /* - unused - */
+ unsigned int dbyt; /* # of bytes to transfer */
+ union {
+ struct {
+ unsigned char daux1; /* 1st command auxiliary byte */
+ unsigned char daux2; /* 2nd command auxiliary byte */
+ };
+ unsigned int daux; /* auxiliary as word */
+ };
};
-typedef struct __dcb DCB;
+typedef struct __dcb dcb_t;
/* I/O control block */
unsigned char spare; /* spare byte */
};
-typedef struct __iocb IOCB;
+typedef struct __iocb iocb_t;
/* DOS 2.x zeropage variables */
unsigned char errno; /* number of occured error */
};
-typedef struct __dos2x DOS2X;
+typedef struct __dos2x dos2x_t;
/* A single device handler formed by it's routines */
void *reserved; /* unused */
};
-typedef struct __devhdl DEVHDL;
+typedef struct __devhdl devhdl_t;
/* List of device handlers, as managed in HATABS */
struct __hatabs {
unsigned char id; /* ATASCII code of handler e.g. 'C','D','E','K','P','S','R' */
- DEVHDL* devhdl; /* Pointer to routines of device */
+ devhdl_t* devhdl; /* Pointer to routines of device */
};
-typedef struct __hatabs HATABS;
+typedef struct __hatabs hatabs_t;
/* Floating point register */
#endif
};
-typedef struct __fpreg FPREG;
+typedef struct __fpreg fpreg_t;
enum { /* enum for access of floating point registers */
R0 = 0, /* (to use as index) */
#else
unsigned char abufpt[4]; // = $1C-$1F ACMI BUFFER POINTER AREA
#endif
- IOCB ziocb; // = $20-$2F ZERO PAGE I/O CONTROL BLOCK
+ iocb_t 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 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
+ dos2x_t 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
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"
+ fpreg_t 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 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
+ fpreg_t* flptr; // = $FC/$FD 2-BYTE FLOATING POINT NUMBER POINTER
+ fpreg_t* fptr2; // = $FE/$FF 2-BYTE FLOATING POINT NUMBER POINTER
// --- Page 1 ---
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 int 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 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 int 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 _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 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
// --- Page 3 ---
- union {
- DCB dcb; // = $0300-$030B 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
- };
- };
- };
- };
+ dcb_t dcb; // = $0300-$030B DEVICE CONTROL BLOCK
unsigned int timer1; // = $030C/$030D INITIAL TIMER VALUE
#ifdef OSA
unsigned char addcor; // = $030E ##old## ADDITION 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
+ hatabs_t 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
+ hatabs_t 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
+ iocb_t 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
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
+ void* chlink; // = $03FB/$03FC ##1200xl## 2-byte loaded handler chain link
unsigned char casbuf[131]; // = $03FD-$047F CASSETTE BUFFER
#endif
/* 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
+ 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 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 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 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
+ unsigned int binint; // = $D4/$D5 USR-CALL RETURN VALUE
};
#endif
projects / cc65 / commitdiff