; ATARI.S Equate and macro file for atari ST RMS ; Extended and Improved: 8/11/88 - RJZ ; Combined and Extended and Improved: 09/16/88 - RMS ; save_rs: EQU ^^RSCOUNT ;RS-Counter merken ; File header structure RSRESET FILE_ID: RS.W 1 TSIZE: RS.L 1 DSIZE: RS.L 1 BSIZE: RS.L 1 SSIZE: RS.L 1 XXX1: RS.L 1 XXX2: RS.L 1 XXX3: RS.W 1 HEADSIZE: EQU ^^RSCOUNT ; base page structure RSRESET LOWTPA: RS.L 1 HITPA: RS.L 1 TBASE: RS.L 1 TLEN: RS.L 1 DBASE: RS.L 1 DLEN: RS.L 1 BBASE: RS.L 1 BLEN: RS.L 1 DTA: RS.L 1 PARENT: RS.L 1 XXXX: RS.L 1 ENVIR: RS.L 21 CMDLINE: RS.B 128 ; defines TEXTSZ: EQU TLEN DATASZ: EQU DLEN BSSSZ: EQU BLEN BPSZ: EQU ^^RSCOUNT MYDTA: EQU DTA RSSET save_rs ;RS-Counter wieder zurcksetzen CR: EQU $0D LF: EQU $0A TAB: EQU $09 **** **** This is a preliminary equates file for the Atari ST; **** not all the equates may be here, there may be typos **** we haven't caught, and not all the macros for Gemdos **** and the BIOS have been defined. **** ; ; Atari ST hardware locations ; memconf: EQU $FFFF8001 ;memory configuration vbasehi: EQU $FFFF8201 vbasemid: EQU $FFFF8203 ;Video base address vcounthi: EQU $FFFF8205 vcountmid: EQU $FFFF8207 vcountlo: EQU $FFFF8209 ;Video display counter syncmode: EQU $FFFF820A ;video sync mode vbaselo: EQU $FFFF820D ;Video base address (lo; STE only) linewid: EQU $FFFF820F ;Width of a scan-line (Words, minus 1; STE only) palette: EQU $FFFF8240 ;color registers 0..15 rezmode: EQU $FFFF8260 ;Resolution mode (0=320x200,1=640x200,2=640x400) hscroll: EQU $FFFF8265 ;Horizontal scroll count (0..15; STE only) diskctl: EQU $FFFF8604 ;disk controller data access fifo: EQU $FFFF8606 ;DMA mode control dmahi: EQU $FFFF8609 dmamid: EQU $FFFF860B dmalo: EQU $FFFF860D ;DMA base address cmdreg: EQU $80 ;1770/FIFO command register select trkreg: EQU $82 ;1770/FIFO track register select secreg: EQU $84 ;1770/FIFO sector register select datareg: EQU $86 ;1770/FIFO data register select ; GI ("psg") sound chip: giselect: EQU $FFFF8800 ;(W) sound chip register select giread: EQU $FFFF8800 ;(R) sound chip read-data giwrite: EQU $FFFF8802 ;(W) sound chip write-data gitoneaf: EQU 0 ;channel A fine/coarse tune gitoneac: EQU 1 gitonebf: EQU 2 ;channel B gitonebc: EQU 3 gitonecf: EQU 4 ;channel C gitonecc: EQU 5 ginoise: EQU 6 ;noise generator control gimixer: EQU 7 ;I/O control/volume control register giaamp: EQU 8 ;channel A, B, C amplitude gibamp: EQU 9 gicamp: EQU $0A gifienvlp: EQU $0B ;envelope period fine, coarse tune gicrnvlp: EQU $0C giporta: EQU $0E ;GI register# for I/O port A giportb: EQU $0F ;Centronics output register ; Bits in "giporta": xrts: EQU 8 ;RTS output dtr: EQU $10 ;DTR output strobe: EQU $20 ;Centronics strobe output gpo: EQU $40 ;"general purpose" output ; 68901 ("mfp") sticky chip: mfp: EQU $FFFFFA00 ;mfp base gpip: EQU mfp+1 ;general purpose I/O aer: EQU mfp+3 ;active edge reg ddr: EQU mfp+5 ;data direction reg iera: EQU mfp+7 ;interrupt enable A & B ierb: EQU mfp+9 ipra: EQU mfp+$0B ;interrupt pending A & B iprb: EQU mfp+$0D isra: EQU mfp+$0F ;interrupt inService A & B isrb: EQU mfp+$11 imra: EQU mfp+$13 ;interrupt mask A & B imrb: EQU mfp+$15 vr: EQU mfp+$17 ;interrupt vector base tacr: EQU mfp+$19 ;timer A control tbcr: EQU mfp+$1B ;timer B control tcdcr: EQU mfp+$1D ;timer C & D control tadr: EQU mfp+$1F ;timer A data tbdr: EQU mfp+$21 ;timer B data tcdr: EQU mfp+$23 ;timer C data tddr: EQU mfp+$25 ;timer D data scr: EQU mfp+$27 ;sync char ucr: EQU mfp+$29 ;USART control reg rsr: EQU mfp+$2B ;receiver status tsr: EQU mfp+$2D ;transmit status udr: EQU mfp+$2F ;USART data ; 6850 registers: keyctl: EQU $FFFFFC00 ;keyboard ACIA control keybd: EQU $FFFFFC02 ;keyboard data midictl: EQU $FFFFFC04 ;MIDI ACIA control midi: EQU $FFFFFC06 ;MIDI data ; BIOS Variables etv_timer: EQU $0400 ;vector for timer interrupt chain etv_critic: EQU $0404 ;vector for critical error chain etv_term: EQU $0408 ;vector for process terminate etv_xtra: EQU $040C ;5 reserved vectors memvalid: EQU $0420 ;indicates system state on RESET memcntlr: EQU $0424 ;mem controller config nibble resvalid: EQU $0426 ;validates 'resvector' resvector: EQU $042A ;[RESET] bailout vector phystop: EQU $042E ;physical top of RAM _membot: EQU $0432 ;bottom of available memory; _memtop: EQU $0436 ;top of available memory; memval2: EQU $043A ;validates 'memcntlr' and 'memconf' flock: EQU $043E ;floppy disk/FIFO lock variable seekrate: EQU $0440 ;default floppy seek rate _timr_ms: EQU $0442 ;system timer calibration (in ms) _fverify: EQU $0444 ;nonzero: verify on floppy write _bootdev: EQU $0446 ;default boot device palmode: EQU $0448 ;nonzero ==> PAL mode defshiftmd: EQU $044A ;default video rez (first byte) sshiftmd: EQU $044C ;shadow for 'shiftmd' register _v_bas_ad: EQU $044E ;pointer to base of screen memory vblsem: EQU $0452 ;semaphore to enforce mutex in vbl nvbls: EQU $0454 ;number of deferred vectors _vblqueue: EQU $0456 ;pointer to vector of deferred vfuncs colorptr: EQU $045A ;pointer to palette setup (or NULL) screenpt: EQU $045E ;pointer to screen base setup (|NULL) _vbclock: EQU $0462 ;count of vblank interrupts _frclock: EQU $0466 ;count of unblocked vblanks (not blocked by vblsem) hdv_init: EQU $046A ;hard disk initialization swv_vec: EQU $046E ;video change-resolution bailout hdv_bpb: EQU $0472 ;disk "get BPB" hdv_rw: EQU $0476 ;disk read/write hdv_boot: EQU $047A ;disk "get boot sector" hdv_mediach: EQU $047E ;disk media change detect _cmdload: EQU $0482 ;nonzero: load COMMAND.COM from boot conterm: EQU $0484 ;console/vt52 bitSwitches (%%0..%%2) trp14ret: EQU $0486 ;saved return addr for _trap14 criticret: EQU $048A ;saved return addr for _critic themd: EQU $048E ;memory descriptor (MD) _____md: EQU $049E ;(more MD) savptr: EQU $04A2 ;pointer to register save area _nflops: EQU $04A6 ;number of disks attached (0, 1+) constate: EQU $04A8 ;state of conout() parser save_row: EQU $04AC ;saved row# for cursor X-Y addressing sav_context: EQU $04AE ;pointer to saved processor context _bufl: EQU $04B2 ;two buffer-list headers _hz_200: EQU $04BA ;200hz raw system timer tick _drvbits: EQU $04C2 ;bit vector of "live" block devices _dskbufp: EQU $04C6 ;pointer to common disk buffer _autopath: EQU $04CA ;pointer to autoexec path (or NULL) _vbl_list: EQU $04CE ;initial _vblqueue (to $4ee) _prt_cnt: EQU $04EE ;screen-dump flag (non-zero abort screen dump) _prtabt: EQU $04F0 ;printer abort flag _sysbase: EQU $04F2 ;-> base of OS _shell_p: EQU $04F6 ;-> global shell info end_os: EQU $04FA ;-> end of OS memory usage exec_os: EQU $04FE ;-> address of shell to exec on startup scr_dump: EQU $0502 ;-> screen dump code prv_lsto: EQU $0506 ;-> _lstostat() prv_lst: EQU $050A ;-> _lstout() prv_auxo: EQU $050E ;-> _auxostat() prv_aux: EQU $0512 ;-> _auxout()