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Merge remote-tracking branch 'irgendwer/AtariOS_Structure' into master
This commit is contained in:
Christian Groessler
commit
fc7e79d2cc
@ -55,6 +55,29 @@
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#define IOCB_FORMAT 0xFE /* format */
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/* Device control block */
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struct __dcb {
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unsigned char ddevic; /* device id */
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unsigned char dunit; /* unit number */
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unsigned char dcomnd; /* command */
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unsigned char dstats; /* command type / status return */
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void *dbuf; /* pointer to buffer */
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unsigned char dtimlo; /* device timeout in seconds */
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unsigned char dunuse; /* - unused - */
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unsigned int dbyt; /* # of bytes to transfer */
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union {
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struct {
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unsigned char daux1; /* 1st command auxiliary byte */
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unsigned char daux2; /* 2nd command auxiliary byte */
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};
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unsigned int daux; /* auxiliary as word */
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};
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};
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typedef struct __dcb dcb_t;
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/* I/O control block */
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struct __iocb {
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@ -73,7 +96,7 @@ struct __iocb {
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unsigned char spare; /* spare byte */
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};
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typedef struct __iocb IOCB;
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typedef struct __iocb iocb_t;
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/* DOS 2.x zeropage variables */
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@ -85,7 +108,7 @@ struct __dos2x {
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unsigned char errno; /* number of occured error */
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};
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typedef struct __dos2x DOS2X;
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typedef struct __dos2x dos2x_t;
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/* A single device handler formed by it's routines */
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@ -101,17 +124,17 @@ struct __devhdl {
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void *reserved; /* unused */
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};
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typedef struct __devhdl DEVHDL;
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typedef struct __devhdl devhdl_t;
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/* List of device handlers, as managed in HATABS */
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struct __hatabs {
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unsigned char id; /* ATASCII code of handler e.g. 'C','D','E','K','P','S','R' */
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DEVHDL* devhdl; /* Pointer to routines of device */
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devhdl_t* devhdl; /* Pointer to routines of device */
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};
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typedef struct __hatabs HATABS;
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typedef struct __hatabs hatabs_t;
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/* Floating point register */
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@ -125,7 +148,7 @@ struct __fpreg {
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#endif
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};
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typedef struct __fpreg FPREG;
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typedef struct __fpreg fpreg_t;
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enum { /* enum for access of floating point registers */
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R0 = 0, /* (to use as index) */
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@ -183,7 +206,7 @@ struct __os {
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#else
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unsigned char abufpt[4]; // = $1C-$1F ACMI BUFFER POINTER AREA
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#endif
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IOCB ziocb; // = $20-$2F ZERO PAGE I/O CONTROL BLOCK
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iocb_t ziocb; // = $20-$2F ZERO PAGE I/O CONTROL BLOCK
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unsigned char status; // = $30 INTERNAL STATUS STORAGE
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unsigned char chksum; // = $31 CHECKSUM (SINGLE BYTE SUM WITH CARRY)
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@ -207,7 +230,7 @@ struct __os {
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unsigned char freq; // = $40 CASSETTE BEEP COUNTER
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unsigned char soundr; // = $41 NOISY I/0 FLAG. (ZERO IS QUIET)
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unsigned char critic; // = $42 DEFINES CRITICAL SECTION (CRITICAL IF NON-Z)
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DOS2X fmszpg; // = $43-$49 DISK FILE MANAGER SYSTEM ZERO PAGE
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dos2x_t fmszpg; // = $43-$49 DISK FILE MANAGER SYSTEM ZERO PAGE
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#ifdef OSA
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unsigned char ckey; // = $4A FLAG SET WHEN GAME START PRESSED
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unsigned char cassbt; // = $4B CASSETTE BOOT FLAG
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@ -268,7 +291,7 @@ struct __os {
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unsigned char _free_1[0xD4-0x7F-1]; // USER SPACE
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// Floating Point Package Page Zero Address Equates
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FPREG fpreg[4]; // = $D4-$EB 4 REGSITERS, ACCCESS LIKE "fpreg[R0].fr"
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fpreg_t fpreg[4]; // = $D4-$EB 4 REGSITERS, ACCCESS LIKE "fpreg[R0].fr"
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unsigned char frx; // = $EC 1-BYTE TEMPORARY
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unsigned char eexp; // = $ED VALUE OF EXP
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#ifdef OS_REV2
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@ -293,8 +316,8 @@ struct __os {
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unsigned char radflg; // = $FB ##OLD## 0=RADIANS, 6=DEGREES
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};
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FPREG* flptr; // = $FC/$FD 2-BYTE FLOATING POINT NUMBER POINTER
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FPREG* fptr2; // = $FE/$FF 2-BYTE FLOATING POINT NUMBER POINTER
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fpreg_t* flptr; // = $FC/$FD 2-BYTE FLOATING POINT NUMBER POINTER
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fpreg_t* fptr2; // = $FE/$FF 2-BYTE FLOATING POINT NUMBER POINTER
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// --- Page 1 ---
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@ -357,7 +380,7 @@ struct __os {
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unsigned char caux1; // = $023C COMMAND AUX BYTE 1
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unsigned char caux2; // = $023D COMMAND AUX BYTE 2
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};
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unsigned caux; // = $023C/$023D (same as above as word)
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unsigned int caux; // = $023C/$023D (same as above as word)
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};
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unsigned char temp; // = $023E TEMPORARY RAM CELL
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unsigned char errflg; // = $023F ERROR FLAG - ANY DEVICE ERROR EXCEPT TIME OUT
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@ -377,7 +400,7 @@ struct __os {
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unsigned char pdvmsk; // = $0247 ##rev2## 1-byte parallel device selection mask
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unsigned char shpdvs; // = $0248 ##rev2## 1-byte PDVS (parallel device select)
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unsigned char pdimsk; // = $0249 ##rev2## 1-byte parallel device IRQ selection
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unsigned reladr; // = $024A/$024B ##rev2## 2-byte relocating loader relative adr.
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unsigned int reladr; // = $024A/$024B ##rev2## 2-byte relocating loader relative adr.
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unsigned char pptmpa; // = $024C ##rev2## 1-byte parallel device handler temporary
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unsigned char pptmpx; // = $024D ##rev2## 1-byte parallel device handler temporary
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unsigned char _reserved_1[29]; // = $024E-$026A RESERVED
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@ -539,36 +562,7 @@ struct __os {
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// --- Page 3 ---
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union {
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unsigned char dcb[0x40]; // = $0300-$03XX DEVICE CONTROL BLOCK
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struct {
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unsigned char ddevic; // = $0300 PERIPHERAL UNIT 1 BUS I.D. NUMBER
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unsigned char dunit; // = $0301 UNIT NUMBER
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unsigned char dcomnd; // = $0302 BUS COMMAND
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unsigned char dstats; // = $0303 COMMAND TYPE/STATUS RETURN
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union {
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void* dbuf; // = $0304/$0305 data buffer address
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struct {
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unsigned char dbuflo; // = $0304 1-byte low data buffer address
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unsigned char dbufhi; // = $0305 1-byte high data buffer address
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};
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};
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unsigned char dtimlo; // = $0306 DEVICE TIME OUT IN 1 SECOND UNITS
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unsigned char dunuse; // = $0307 UNUSED BYTE
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union {
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unsigned int dbyt; // = $0308/$0309 number of bytes to transfer
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struct {
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unsigned char dbytlo; // = $0308 1-byte low number of bytes to transfer
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unsigned char dbythi; // = $0309 1-byte high number of bytes to transfer
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};
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};
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union {
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unsigned int daux; // = $030A/$030B first and second auxiliary
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struct {
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unsigned char daux1; // = $030A 1-byte first command auxiliary
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unsigned char daux2; // = $030B 1-byte second command auxiliary
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};
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};
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dcb_t dcb; // = $0300-$030B DEVICE CONTROL BLOCK
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unsigned int timer1; // = $030C/$030D INITIAL TIMER VALUE
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#ifdef OSA
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unsigned char addcor; // = $030E ##old## ADDITION CORRECTION
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@ -576,7 +570,7 @@ struct __os {
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unsigned char jmpers; // = $030E ##1200xl## 1-byte jumper options
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#endif
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unsigned char casflg; // = $030F CASSETTE MODE WHEN SET
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unsigned char timer2; // = $0310/$0311 2-byte final baud rate timer value
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unsigned int timer2; // = $0310/$0311 2-byte final baud rate timer value
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unsigned char temp1; // = $0312 TEMPORARY STORAGE REGISTER
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#ifdef OSA
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unsigned char _spare_5; // = $0313 unused
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@ -591,18 +585,17 @@ struct __os {
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unsigned char stackp; // = $0318 SIO STACK POINTER SAVE CELL
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unsigned char tstat; // = $0319 TEMPORARY STATUS HOLDER
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#ifdef OSA
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HATABS hatabs[12]; // = $031A-$033D handler address table
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hatabs_t hatabs[12]; // = $031A-$033D handler address table
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unsigned int zeropad; // = $033E/$033F zero padding
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#else
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HATABS hatabs[11]; // = $031A-$033A handler address table
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hatabs_t hatabs[11]; // = $031A-$033A handler address table
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unsigned int zeropad; // = $033B/$033C zero padding
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unsigned char pupbt1; // = $033D ##1200xl## 1-byte power-up validation byte 1
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unsigned char pupbt2; // = $033E ##1200xl## 1-byte power-up validation byte 2
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unsigned char pupbt3; // = $033F ##1200xl## 1-byte power-up validation byte 3
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#endif
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};
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};
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IOCB iocb[8]; // = $0340-$03BF 8 I/O Control Blocks
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iocb_t iocb[8]; // = $0340-$03BF 8 I/O Control Blocks
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unsigned char prnbuf[40]; // = $03C0-$3E7 PRINTER BUFFER
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#ifdef OSA
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unsigned char _spare_6[151]; // = $03E8-$047F unused
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