Applecorn/auxmem.mosequ.s
2021-09-06 22:28:07 -04:00

75 lines
2.1 KiB
ArmAsm

* AUXMEM.MOSEQU.S
* (c) Bobbi 2021 GPLv3
*
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* BBC MOS WORKSPACE LOCATIONS *
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* $00-$8F Language workspace
* $90-$9F Network workspace
* $A0-$A7 NMI workspace
* $A8-$AF Non-MOS *command workspace
* $B0-$BF Temporary filing system workspace
* $C0-$CF Persistant filing system workspace
* $D0-$DF VDU driver workspace
* $E0-$EE Internal MOS workspace
* $EF-$FF MOS API workspace
FSFLAG1 EQU $E2
FSFLAG2 EQU $E3
GSFLAG EQU $E4
GSCHAR EQU $E5
OSTEXT EQU $E6 ; $E6 => text string
MAXLEN EQU OSTEXT+2 ; $E8
MINCHAR EQU OSTEXT+3 ; $E9
MAXCHAR EQU OSTEXT+4 ; $EA
OSTEMP EQU $EB ; $EB
OSKBD1 EQU $EC ; $EC kbd ws
OSKBD2 EQU OSKBD1+1 ; $ED kbd ws
OSKBD3 EQU OSKBD1+2 ; $EE kbd ws
OSAREG EQU $EF ; $EF A register
OSXREG EQU OSAREG+1 ; $F0 X register
OSYREG EQU OSXREG+1 ; $F1 Y register
OSCTRL EQU OSXREG ; $F0 (XY)=>control block
OSLPTR EQU $F2 ; $F2 => command line
*
OSINTWS EQU $FA ; $FA IRQ ZP pointer, use when IRQs off
OSINTA EQU $FC ; $FC IRQ register A store
FAULT EQU $FD ; $FD Error message pointer
ESCFLAG EQU $FF ; $FF Escape status
* $0200-$0235 Vectors
* $0236-$028F OSBYTE variables
* $0290-$02ED
* $02EE-$02FF MOS control block
USERV EQU $200 ; USER vector
BRKV EQU $202 ; BRK vector
CLIV EQU $208 ; OSCLI vector
BYTEV EQU $20A ; OSBYTE vector
WORDV EQU $20C ; OSWORD vector
WRCHV EQU $20E ; OSWRCH vector
RDCHV EQU $210 ; OSRDCH vector
FILEV EQU $212 ; OSFILE vector
ARGSV EQU $214 ; OSARGS vector
BGETV EQU $216 ; OSBGET vector
BPUTV EQU $218 ; OSBPUT vector
GBPBV EQU $21A ; OSGBPB vector
FINDV EQU $21C ; OSFIND vector
FSCV EQU $21E ; FSCV misc file ops
OSFILECB EQU $2EE ; OSFILE control block