76 lines
2.5 KiB
ArmAsm
76 lines
2.5 KiB
ArmAsm
* AUXMEM.MOSEQU.S
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* (c) Bobbi 2021 GPLv3
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*
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*******************************
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* BBC MOS WORKSPACE LOCATIONS *
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*******************************
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* $00-$8F Language workspace
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* $90-$9F Network workspace
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* $A0-$A7 NMI workspace
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* $A8-$AF Non-MOS *command workspace
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* $B0-$BF Temporary filing system workspace
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* $C0-$CF Persistant filing system workspace
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* $D0-$DF VDU driver workspace
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* $E0-$EE Internal MOS workspace
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* $EF-$FF MOS API workspace
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FSFLAG1 EQU $E2
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FSFLAG2 EQU $E3
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GSFLAG EQU $E4 ; $E4 GSREAD processing flags
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GSCHAR EQU $E5 ; $E5 GSREAD accumulator
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OSTEXT EQU $E6 ; $E6 => text string $E6 OSNUM+0
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MAXLEN EQU OSTEXT+2 ; $E8 $E8 OSNUM+2
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MINCHAR EQU OSTEXT+3 ; $E9 $E9 OSNUM+3
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MAXCHAR EQU OSTEXT+4 ; $EA $EA OSPAD
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OSTEMP EQU $EB ; $EB
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OSKBD1 EQU $EC ; $EC kbd ws
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OSKBD2 EQU OSKBD1+1 ; $ED kbd ws
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OSKBD3 EQU OSKBD1+2 ; $EE kbd ws
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OSAREG EQU $EF ; $EF A register
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OSXREG EQU OSAREG+1 ; $F0 X register
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OSYREG EQU OSXREG+1 ; $F1 Y register
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OSCTRL EQU OSXREG ; $F0 (XY)=>control block
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OSLPTR EQU $F2 ; $F2 => command line
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*
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OSINTWS EQU $FA ; $FA IRQ ZP pointer, use when IRQs off
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OSINTA EQU $FC ; $FC IRQ register A store
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FAULT EQU $FD ; $FD Error message pointer
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ESCFLAG EQU $FF ; $FF Escape status
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* $0200-$0235 Vectors
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* $0236-$028F OSBYTE variables ($190+BYTENUM)
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* $0290-$02ED
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* $02EE-$02FF MOS control block
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USERV EQU $200 ; USER vector
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BRKV EQU $202 ; BRK vector
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CLIV EQU $208 ; OSCLI vector
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BYTEV EQU $20A ; OSBYTE vector
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WORDV EQU $20C ; OSWORD vector
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WRCHV EQU $20E ; OSWRCH vector
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RDCHV EQU $210 ; OSRDCH vector
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FILEV EQU $212 ; OSFILE vector
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ARGSV EQU $214 ; OSARGS vector
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BGETV EQU $216 ; OSBGET vector
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BPUTV EQU $218 ; OSBPUT vector
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GBPBV EQU $21A ; OSGBPB vector
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FINDV EQU $21C ; OSFIND vector
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FSCV EQU $21E ; FSCV misc file ops
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BYTEVARBASE EQU $190 ; Base of OSBYTE variables
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OSFILECB EQU $2EE ; OSFILE control block
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* Moved to VDU
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* COPYCHAR EQU OSKBD2 ; ** TEMP **
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* $0300-$03DF
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* $03E0-$03FF Used for interfacing with ProDOS XFER
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