mirror of
https://github.com/bobbimanners/Applecorn.git
synced 2024-06-06 07:29:31 +00:00
Code cleanup.
This commit is contained in:
Bobbi Webber-Manners
parent
aebc3d261f
commit
51de720795
BIN
applecorn.po
BIN
applecorn.po
Binary file not shown.
23
applecorn.s
23
applecorn.s
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@ -68,6 +68,29 @@ AUXMOS1 EQU $2000 ; Temp staging area in Aux
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EAUXMOS1 EQU $3000 ; End of staging area
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AUXMOS EQU $D000 ; Final location in aux LC
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* Macro for calls from main memory to aux memory
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XFAUX MAC
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SEC ; Use aux memory
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BIT $FF58 ; Set V: use alt ZP and LC
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JMP XFER
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EOM
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* Macro for calls from aux memory to main memory
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XFMAIN MAC
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CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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EOM
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* Macro to load addr into STRTL/STRTH
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XFADDR MAC
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LDA #<]1
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STA STRTL
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LDA #>]1
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STA STRTH
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EOM
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* Code is all included from PUT files below ...
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PUT LOADER
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PUT MAINMEM
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PUT AUXMEM
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107
auxmem.s
107
auxmem.s
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@ -329,23 +329,15 @@ FINDHND PHX
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STY MOSFILE ; Length (Pascal string)
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STA $C005 ; Write aux
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LDA #<OFILE
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STA STRTL
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LDA #>OFILE
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STA STRTH
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>>> XFADDR,OFILE
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PLA ; Recover options
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:S1 CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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:S1 >>> XFMAIN
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:CLOSE STA $C004 ; Write main
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STY MOSFILE ; Write file number
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STA $C005 ; Write aux
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LDA #<CFILE
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STA STRTL
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LDA #>CFILE
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STA STRTH
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>>> XFADDR,CFILE
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BRA :S1
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OSFINDRET
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@ -385,17 +377,12 @@ BPUTHND PHX
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STA $C004 ; Write to main memory
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STY MOSFILE ; File reference number
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STA $C005 ; Write to aux memory
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LDA #<FILEPUT
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STA STRTL
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LDA #>FILEPUT
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STA STRTH
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PLA ; Char to write
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PHA
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TSX ; Stash alt SP in $0101
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STX $0101
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CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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>>> XFADDR,FILEPUT
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PLA ; Char to write
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PHA
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>>> XFMAIN
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OSBPUTRET
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LDX $0101 ; Recover alt SP from $0101
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TXS
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@ -413,15 +400,10 @@ BGETHND PHX
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STA $C004 ; Write to main memory
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STY MOSFILE ; File ref number
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STA $C005 ; Write to aux memory
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LDA #<FILEGET
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STA STRTL
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LDA #>FILEGET
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STA STRTH
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TSX ; Stash alt SP in $0101
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STX $0101
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CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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>>> XFADDR,FILEGET
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>>> XFMAIN
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OSBGETRET
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LDX $0101 ; Recover alt SP from $0101
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TXS
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@ -479,20 +461,14 @@ ARGSHND PHA
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STY MOSFILE ; File ref num
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STA $C005 ; Write aux memory
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:FLUSH JSR BCKSTRT
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LDA #<FLUSH
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STA STRTL
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LDA #>FLUSH
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STA STRTH
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CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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>>> XFADDR,FLUSH
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>>> XFMAIN
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:EXIT PLY
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PLX
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PLA
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RTS
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* When there is no return value
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OSARGSRET1
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OSARGSRET
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LDX $0101 ; Recover alt ZP from $0101
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TXS
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JSR RSTSTRT
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@ -575,18 +551,10 @@ FILEHND PHX
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PLX
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RTS
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:S1 LDA #<SAVEFILE
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STA STRTL
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LDA #>SAVEFILE
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STA STRTH
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:S1 >>> XFADDR,SAVEFILE
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BRA :S3
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:S2 LDA #<LOADFILE
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STA STRTL
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LDA #>LOADFILE
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STA STRTH
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:S3 CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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:S2 >>> XFADDR,LOADFILE
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:S3 >>> XFMAIN
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OSFILERET
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LDX $0101 ; Recover alt SP from $0101
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@ -1299,24 +1267,14 @@ STARHELP LDA #<:MSG
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DB $0D,$0D,$00
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:MSG2 DB $0D,$00
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STARQUIT LDA #<QUIT
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STA STRTL
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LDA #>QUIT
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STA STRTH
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CLC ; Main memory
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CLV ; Main ZP & LC
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JMP XFER
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STARQUIT >>> XFADDR,QUIT
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>>> XFMAIN
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STARCAT JSR BCKSTRT
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TSX
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STX $0101 ; Stash alt SP
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LDA #<CATALOG
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STA STRTL
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LDA #>CATALOG
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STA STRTH
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CLC ; Main memory
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CLV ; Main ZP & LC
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JMP XFER
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>>> XFADDR,CATALOG
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>>> XFMAIN
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STARCATRET
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LDX $0101 ; Recover alt SP
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TXS
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@ -1345,13 +1303,8 @@ PRONEBLK LDX $0101 ; Recover alt SP
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BRA :END
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:END JSR BCKSTRT
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LDA #<CATALOGRET
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STA STRTL
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LDA #>CATALOGRET
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STA STRTH
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CLC ; Main memory
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CLV ; Main ZP & LC
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JMP XFER
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>>> XFADDR,CATALOGRET
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>>> XFMAIN
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:DIRM ASC 'Directory: '
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DB $00
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@ -1427,13 +1380,8 @@ STARDIR LDA ZP1 ; Move ZP1->ZP3 (OSWRCH uses ZP1)
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JSR BCKSTRT
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TSX
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STX $0101 ; Stash alt SP
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LDA #<SETPFX
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STA STRTL
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LDA #>SETPFX
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STA STRTH
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CLC ; Main memory
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CLV ; Main ZP & LC
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JMP XFER
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>>> XFADDR,SETPFX
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>>> XFMAIN
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STARDIRRET
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LDX $0101 ; Recover Alt SP
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TXS
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@ -1466,15 +1414,10 @@ CHKEOF JSR BCKSTRT
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STA $C004 ; Write main mem
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STX MOSFILE ; File reference number
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STA $C005 ; Write aux mem
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LDA #<FILEEOF
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STA STRTL
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LDA #>FILEEOF
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STA STRTH
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>>> XFADDR,FILEEOF
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TSX ; Stash alt SP in $0101
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STX $0101
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CLC ; Use main memory
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CLV ; Use main ZP and LC
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JMP XFER
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>>> XFMAIN
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CHKEOFRET
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LDX $0101 ; Recover alt SP from $0101
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TXS
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461
mainmem.s
461
mainmem.s
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@ -6,14 +6,14 @@
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* Set prefix if not already set
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SETPRFX LDA #GPFXCMD
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STA :OPC7 ; Initialize cmd byte to $C7
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STA :OPC7 ; Initialize cmd byte to $C7
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:L1 JSR MLI
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:OPC7 DB $00
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DW GSPFXPL
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LDX $0300
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BNE RTSINST
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LDA $BF30
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STA ONLPL+1 ; Device number
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STA ONLPL+1 ; Device number
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JSR MLI
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DB ONLNCMD
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DW ONLPL
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@ -70,28 +70,23 @@ DISCONN LDA $BF98
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* XFER to AUXMOS ($C000) in aux, AuxZP on, LC on
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RESET TSX
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STX $0100
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LDA $C08B ; Rd/Wt LC, bank one
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LDA $C08B ; Rd/Wt LC, bank one
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LDA $C08B
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LDA #<AUXMOS
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STA STRTL
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LDA #>AUXMOS
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STA STRTH
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SEC
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BIT RTSINST
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JMP XFER
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>>> XFADDR,AUXMOS
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>>> XFAUX
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RTS
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* Copy 512 bytes from BLKBUF to AUXBLK in aux LC
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COPYAUXBLK
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LDA $C08B ; R/W LC RAM, bank 1
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LDA $C08B ; R/W LC RAM, bank 1
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LDA $C08B
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STA $C009 ; Alt ZP (and Alt LC) on
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STA $C009 ; Alt ZP (and Alt LC) on
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LDY #$00
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:L1 LDA BLKBUF,Y
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STA $C005 ; Write aux mem
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STA $C005 ; Write aux mem
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STA AUXBLK,Y
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STA $C004 ; Write main mem
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STA $C004 ; Write main mem
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CPY #$FF
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BEQ :S1
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INY
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@ -99,33 +94,33 @@ COPYAUXBLK
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:S1 LDY #$00
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:L2 LDA BLKBUF+$100,Y
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STA $C005 ; Write aux mem
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STA $C005 ; Write aux mem
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STA AUXBLK+$100,Y
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STA $C004 ; Write main mem
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STA $C004 ; Write main mem
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CPY #$FF
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BEQ :S2
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INY
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BRA :L2
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:S2 STA $C008 ; Alt ZP off
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LDA $C081 ; Bank the ROM back in
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:S2 STA $C008 ; Alt ZP off
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LDA $C081 ; Bank the ROM back in
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LDA $C081
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RTS
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* ProDOS file handling for MOS OSFIND OPEN call
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* Options in A: $40 'r', $80 'w', $C0 'rw'
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OFILE LDX $0100 ; Recover SP
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OFILE LDX $0100 ; Recover SP
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TXS
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PHA ; Option
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LDA $C081 ; ROM, please
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PHA ; Option
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LDA $C081 ; ROM, please
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LDA $C081
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PLA ; Get option back
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PLA ; Get option back
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PHA
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CMP #$80 ; Write mode
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CMP #$80 ; Write mode
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BNE :S0
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LDA #<MOSFILE ; Attempt to destroy file
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LDA #<MOSFILE ; Attempt to destroy file
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STA DESTPL+1
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LDA #>MOSFILE
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STA DESTPL+2
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@ -133,33 +128,33 @@ OFILE LDX $0100 ; Recover SP
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DB DESTCMD
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DW DESTPL
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LDA #<MOSFILE ; Attempt to create file
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LDA #<MOSFILE ; Attempt to create file
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STA CREATEPL+1
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STA OPENPL+1
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LDA #>MOSFILE
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STA CREATEPL+2
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STA OPENPL+2
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LDA #$C3 ; Access unlocked
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LDA #$C3 ; Access unlocked
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STA CREATEPL+3
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LDA #$06 ; Filetype BIN
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LDA #$06 ; Filetype BIN
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STA CREATEPL+4
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LDA #$00 ; Auxtype
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LDA #$00 ; Auxtype
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STA CREATEPL+5
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LDA #$00
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STA CREATEPL+6
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LDA #$01 ; Storage type - file
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LDA #$01 ; Storage type - file
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STA CREATEPL+7
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LDA $BF90 ; Current date
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LDA $BF90 ; Current date
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STA CREATEPL+8
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LDA $BF91
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STA CREATEPL+9
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LDA $BF92 ; Current time
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LDA $BF92 ; Current time
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STA CREATEPL+10
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LDA $BF93
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STA CREATEPL+11
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JSR CRTFILE
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:S0 LDA #$00 ; Look for empty slot
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:S0 LDA #$00 ; Look for empty slot
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JSR FINDBUF
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STX BUFIDX
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CPX #$00
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@ -178,7 +173,7 @@ OFILE LDX $0100 ; Recover SP
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LDY #>IOBUF3
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BRA :S4
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:S3 CPX #$03
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BNE :NOTFND ; Out of buffers really
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BNE :NOTFND ; Out of buffers really
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LDA #<IOBUF4
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LDY #>IOBUF4
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@ -193,34 +188,29 @@ OFILE LDX $0100 ; Recover SP
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DB OPENCMD
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DW OPENPL2
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BCS :NOTFND
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LDA OPENPL2+5 ; File ref number
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LDA OPENPL2+5 ; File ref number
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PHA
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LDX BUFIDX
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CPX #$FF
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BEQ FINDEXIT
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STA FILEREFS,X ; Record ref number
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STA FILEREFS,X ; Record ref number
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BRA FINDEXIT
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:NOTFND LDA #$00
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PHA
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FINDEXIT LDA $C08B ; R/W RAM, LC bank 1
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FINDEXIT LDA $C08B ; R/W RAM, LC bank 1
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LDA $C08B
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LDA #<OSFINDRET
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STA STRTL
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LDA #>OSFINDRET
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STA STRTH
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>>> XFADDR,OSFINDRET
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PLA
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SEC
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BIT RTSINST
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JMP XFER
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>>> XFAUX
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BUFIDX DB $00
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* ProDOS file handling for MOS OSFIND CLOSE call
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CFILE LDX $0100 ; Recover SP
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CFILE LDX $0100 ; Recover SP
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TXS
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LDA $C081 ; ROM, please
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LDA $C081 ; ROM, please
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LDA $C081
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LDA MOSFILE ; File ref number
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LDA MOSFILE ; File ref number
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STA CLSPL+1
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JSR CLSFILE
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@ -244,49 +234,44 @@ FINDBUF LDX #$00
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INX
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CPX #$04
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BNE :L1
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LDX #$FF ; $FF for not found
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LDX #$FF ; $FF for not found
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:END RTS
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* ProDOS file handling for MOS OSBGET call
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* Returns with char read in A and error num in X (or 0)
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FILEGET LDX $0100 ; Recover SP
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FILEGET LDX $0100 ; Recover SP
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TXS
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LDA $C081 ; ROM, please
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LDA $C081 ; ROM, please
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LDA $C081
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LDA MOSFILE ; File ref number
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LDA MOSFILE ; File ref number
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STA READPL2+1
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JSR MLI
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DB READCMD
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DW READPL2
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BCC :NOERR
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TAY ; Error number in Y
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TAY ; Error number in Y
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BRA GETEXIT
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:NOERR LDX #$00
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LDA BLKBUF
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PHA
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GETEXIT LDA $C08B ; R/W RAM, LC bank 1
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GETEXIT LDA $C08B ; R/W RAM, LC bank 1
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LDA $C08B
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LDA #<OSBGETRET
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STA STRTL
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LDA #>OSBGETRET
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STA STRTH
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>>> XFADDR,OSBGETRET
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PLA
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SEC
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||||
BIT RTSINST
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JMP XFER
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>>> XFAUX
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* ProDOS file handling for MOS OSBPUT call
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* Enters with char to write in A
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FILEPUT LDX $0100 ; Recover SP
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FILEPUT LDX $0100 ; Recover SP
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TXS
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STA BLKBUF ; Char to write
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LDA $C081 ; ROM, please
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STA BLKBUF ; Char to write
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LDA $C081 ; ROM, please
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LDA $C081
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LDA MOSFILE ; File ref number
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LDA MOSFILE ; File ref number
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STA WRITEPL+1
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LDA #$01 ; Bytes to write
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LDA #$01 ; Bytes to write
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STA WRITEPL+4
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LDA #$00
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STA WRITEPL+5
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@ -294,37 +279,32 @@ FILEPUT LDX $0100 ; Recover SP
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* There is no way to report an error it seems!
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LDA $C08B ; R/W RAM, LC bank 1
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LDA $C08B ; R/W RAM, LC bank 1
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LDA $C08B
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LDA #<OSBPUTRET
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STA STRTL
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LDA #>OSBPUTRET
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STA STRTH
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SEC
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BIT RTSINST
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JMP XFER
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||||
>>> XFADDR,OSBPUTRET
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||||
>>> XFAUX
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||||
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* ProDOS file handling for OSBYTE $7F EOF
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* Returns EOF status in A ($FF for EOF, $00 otherwise)
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FILEEOF LDX $0100 ; Recover SP
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FILEEOF LDX $0100 ; Recover SP
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TXS
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LDA $C081 ; ROM, please
|
||||
LDA $C081 ; ROM, please
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||||
LDA $C081
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||||
|
||||
LDA MOSFILE ; File ref number
|
||||
LDA MOSFILE ; File ref number
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||||
STA GEOFPL+1
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||||
STA GMARKPL+1
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||||
JSR MLI
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||||
DB GEOFCMD
|
||||
DW GEOFPL
|
||||
BCS :ISEOF ; If error, just say EOF
|
||||
BCS :ISEOF ; If error, just say EOF
|
||||
|
||||
JSR MLI
|
||||
DB GMARKCMD
|
||||
DW GMARKPL
|
||||
BCS :ISEOF ; If error, just say EOF
|
||||
BCS :ISEOF ; If error, just say EOF
|
||||
|
||||
LDA GEOFPL+2 ; Subtract Mark from EOF
|
||||
LDA GEOFPL+2 ; Subtract Mark from EOF
|
||||
SEC
|
||||
SBC GMARKPL+2
|
||||
STA :REMAIN
|
||||
|
|
@ -335,7 +315,7 @@ FILEEOF LDX $0100 ; Recover SP
|
|||
SBC GMARKPL+4
|
||||
STA :REMAIN+2
|
||||
|
||||
LDA :REMAIN ; Check bytes remaining
|
||||
LDA :REMAIN ; Check bytes remaining
|
||||
BNE :NOTEOF
|
||||
LDA :REMAIN+1
|
||||
BNE :NOTEOF
|
||||
|
|
@ -344,48 +324,38 @@ FILEEOF LDX $0100 ; Recover SP
|
|||
:ISEOF LDA #$FF
|
||||
BRA :EXIT
|
||||
:NOTEOF LDA #$00
|
||||
:EXIT PHA ; Preserve return code
|
||||
LDA $C08B ; R/W RAM, LC bank 1
|
||||
:EXIT PHA ; Preserve return code
|
||||
LDA $C08B ; R/W RAM, LC bank 1
|
||||
LDA $C08B
|
||||
LDA #<CHKEOFRET
|
||||
STA STRTL
|
||||
LDA #>CHKEOFRET
|
||||
STA STRTH
|
||||
PLA ; Recover return code
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
:REMAIN DS 3 ; Remaining bytes
|
||||
>>> XFADDR,CHKEOFRET
|
||||
PLA ; Recover return code
|
||||
>>> XFAUX
|
||||
:REMAIN DS 3 ; Remaining bytes
|
||||
|
||||
* ProDOS file handling for OSARGS flush commands
|
||||
FLUSH LDX $0100 ; Recover SP
|
||||
FLUSH LDX $0100 ; Recover SP
|
||||
TXS
|
||||
LDA $C081 ; ROM, please
|
||||
LDA $C081 ; ROM, please
|
||||
LDA $C081
|
||||
|
||||
LDA MOSFILE ; File ref number
|
||||
LDA MOSFILE ; File ref number
|
||||
STA FLSHPL+1
|
||||
JSR MLI
|
||||
DB FLSHCMD
|
||||
DW FLSHPL
|
||||
|
||||
LDA $C08B ; R/W RAM, LC bank 1
|
||||
LDA $C08B ; R/W RAM, LC bank 1
|
||||
LDA $C08B
|
||||
LDA #<OSARGSRET1
|
||||
STA STRTL
|
||||
LDA #>OSARGSRET1
|
||||
STA STRTH
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
>>> XFADDR,OSARGSRET
|
||||
>>> XFAUX
|
||||
|
||||
* ProDOS file handling for MOS OSFILE LOAD call
|
||||
* Return A=0 if successful
|
||||
* A=1 if file not found
|
||||
* A=2 if read error
|
||||
LOADFILE LDX $0100 ; Recover SP
|
||||
LOADFILE LDX $0100 ; Recover SP
|
||||
TXS
|
||||
LDA $C081 ; Gimme the ROM!
|
||||
LDA $C081 ; Gimme the ROM!
|
||||
LDA $C081
|
||||
|
||||
STZ :BLOCKS
|
||||
|
|
@ -394,12 +364,12 @@ LOADFILE LDX $0100 ; Recover SP
|
|||
LDA #>MOSFILE
|
||||
STA OPENPL+2
|
||||
JSR OPENFILE
|
||||
BCS :NOTFND ; File not found
|
||||
:L1 LDA OPENPL+5 ; File ref number
|
||||
BCS :NOTFND ; File not found
|
||||
:L1 LDA OPENPL+5 ; File ref number
|
||||
STA READPL+1
|
||||
JSR RDFILE
|
||||
BCC :S1
|
||||
CMP #$4C ; EOF
|
||||
CMP #$4C ; EOF
|
||||
BEQ :EOF
|
||||
BRA :READERR
|
||||
|
||||
|
|
@ -425,45 +395,40 @@ LOADFILE LDX $0100 ; Recover SP
|
|||
BRA :L2
|
||||
:S2 STA A4H
|
||||
|
||||
SEC ; Main -> AUX
|
||||
SEC ; Main -> AUX
|
||||
JSR AUXMOVE
|
||||
|
||||
INC :BLOCKS
|
||||
BRA :L1
|
||||
|
||||
:NOTFND LDA #$01 ; Nothing found
|
||||
:NOTFND LDA #$01 ; Nothing found
|
||||
PHA
|
||||
BRA :EXIT
|
||||
:READERR LDA #$02 ; Read error
|
||||
:READERR LDA #$02 ; Read error
|
||||
PHA
|
||||
BRA :EOF2
|
||||
:EOF LDA #$00 ; Success
|
||||
:EOF LDA #$00 ; Success
|
||||
PHA
|
||||
:EOF2 LDA OPENPL+5 ; File ref num
|
||||
:EOF2 LDA OPENPL+5 ; File ref num
|
||||
STA CLSPL+1
|
||||
JSR CLSFILE
|
||||
:EXIT LDA $C08B ; R/W RAM, bank 1
|
||||
:EXIT LDA $C08B ; R/W RAM, bank 1
|
||||
LDA $C08B
|
||||
LDA #<OSFILERET ; Return to caller in aux
|
||||
STA STRTL
|
||||
LDA #>OSFILERET
|
||||
STA STRTH
|
||||
>>> XFADDR,OSFILERET
|
||||
PLA
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
>>> XFAUX
|
||||
:BLOCKS DB $00
|
||||
|
||||
* ProDOS file handling for MOS OSFILE SAVE call
|
||||
* Return A=0 if successful
|
||||
* A=1 if unable to create/open
|
||||
* A=2 if error during save
|
||||
SAVEFILE LDX $0100 ; Recover SP
|
||||
SAVEFILE LDX $0100 ; Recover SP
|
||||
TXS
|
||||
LDA $C081 ; Gimme the ROM!
|
||||
LDA $C081 ; Gimme the ROM!
|
||||
LDA $C081
|
||||
|
||||
LDA #<MOSFILE ; Attempt to destroy file
|
||||
LDA #<MOSFILE ; Attempt to destroy file
|
||||
STA DESTPL+1
|
||||
LDA #>MOSFILE
|
||||
STA DESTPL+2
|
||||
|
|
@ -478,30 +443,30 @@ SAVEFILE LDX $0100 ; Recover SP
|
|||
LDA #>MOSFILE
|
||||
STA CREATEPL+2
|
||||
STA OPENPL+2
|
||||
LDA #$C3 ; Access unlocked
|
||||
LDA #$C3 ; Access unlocked
|
||||
STA CREATEPL+3
|
||||
LDA #$06 ; Filetype BIN
|
||||
LDA #$06 ; Filetype BIN
|
||||
STA CREATEPL+4
|
||||
LDA FBSTRT ; Auxtype = save address
|
||||
LDA FBSTRT ; Auxtype = save address
|
||||
STA CREATEPL+5
|
||||
LDA FBSTRT+1
|
||||
STA CREATEPL+6
|
||||
LDA #$01 ; Storage type - file
|
||||
LDA #$01 ; Storage type - file
|
||||
STA CREATEPL+7
|
||||
LDA $BF90 ; Current date
|
||||
LDA $BF90 ; Current date
|
||||
STA CREATEPL+8
|
||||
LDA $BF91
|
||||
STA CREATEPL+9
|
||||
LDA $BF92 ; Current time
|
||||
LDA $BF92 ; Current time
|
||||
STA CREATEPL+10
|
||||
LDA $BF93
|
||||
STA CREATEPL+11
|
||||
JSR CRTFILE
|
||||
BCS :FWD1 ; :CANTOPEN error
|
||||
BCS :FWD1 ; :CANTOPEN error
|
||||
JSR OPENFILE
|
||||
BCS :FWD1 ; :CANTOPEN error
|
||||
BCS :FWD1 ; :CANTOPEN error
|
||||
|
||||
SEC ; Compute file length
|
||||
SEC ; Compute file length
|
||||
LDA FBEND
|
||||
SBC FBSTRT
|
||||
STA :LEN
|
||||
|
|
@ -509,22 +474,22 @@ SAVEFILE LDX $0100 ; Recover SP
|
|||
SBC FBSTRT+1
|
||||
STA :LEN+1
|
||||
|
||||
:L1 LDA FBSTRT ; Setup for first block
|
||||
:L1 LDA FBSTRT ; Setup for first block
|
||||
STA A1L
|
||||
STA A2L
|
||||
LDA FBSTRT+1
|
||||
STA A1H
|
||||
STA A2H
|
||||
INC A2H ; $200 = 512 bytes
|
||||
INC A2H ; $200 = 512 bytes
|
||||
INC A2H
|
||||
LDA OPENPL+5 ; File ref number
|
||||
LDA OPENPL+5 ; File ref number
|
||||
STA WRITEPL+1
|
||||
LDA #$00 ; 512 byte request count
|
||||
LDA #$00 ; 512 byte request count
|
||||
STA WRITEPL+4
|
||||
LDA #$02
|
||||
STA WRITEPL+5
|
||||
LDX :BLOCKS
|
||||
:L2 CPX #$00 ; Adjust for subsequent blks
|
||||
:L2 CPX #$00 ; Adjust for subsequent blks
|
||||
BEQ :S1
|
||||
INC A1H
|
||||
INC A1H
|
||||
|
|
@ -533,24 +498,24 @@ SAVEFILE LDX $0100 ; Recover SP
|
|||
DEX
|
||||
BRA :L2
|
||||
|
||||
:FWD1 BRA :CANTOPEN ; Forwarding call from above
|
||||
:FWD1 BRA :CANTOPEN ; Forwarding call from above
|
||||
|
||||
:S1 LDA :LEN+1 ; MSB of length remaining
|
||||
:S1 LDA :LEN+1 ; MSB of length remaining
|
||||
CMP #$02
|
||||
BCS :S2 ; MSB of len >= 2 (not last)
|
||||
BCS :S2 ; MSB of len >= 2 (not last)
|
||||
|
||||
CMP #$00 ; If no bytes left ...
|
||||
CMP #$00 ; If no bytes left ...
|
||||
BNE :S3
|
||||
LDA :LEN
|
||||
BNE :S3
|
||||
BRA :NORMALEND
|
||||
|
||||
:S3 LDA FBEND ; Adjust for last block
|
||||
:S3 LDA FBEND ; Adjust for last block
|
||||
STA A2L
|
||||
LDA FBEND+1
|
||||
STA A2H
|
||||
LDA :LEN
|
||||
STA WRITEPL+4 ; Remaining bytes to write
|
||||
STA WRITEPL+4 ; Remaining bytes to write
|
||||
LDA :LEN+1
|
||||
STA WRITEPL+5
|
||||
|
||||
|
|
@ -559,10 +524,10 @@ SAVEFILE LDX $0100 ; Recover SP
|
|||
LDA #>BLKBUF
|
||||
STA A4H
|
||||
|
||||
CLC ; Aux -> Main
|
||||
CLC ; Aux -> Main
|
||||
JSR AUXMOVE
|
||||
|
||||
LDA OPENPL+5 ; File ref number
|
||||
LDA OPENPL+5 ; File ref number
|
||||
STA WRITEPL+1
|
||||
JSR WRTFILE
|
||||
BCS :WRITEERR
|
||||
|
|
@ -572,7 +537,7 @@ SAVEFILE LDX $0100 ; Recover SP
|
|||
:ENDLOOP INC :BLOCKS
|
||||
BRA :L1
|
||||
|
||||
:UPDLEN SEC ; Update length remaining
|
||||
:UPDLEN SEC ; Update length remaining
|
||||
LDA :LEN
|
||||
SBC WRITEPL+4
|
||||
STA :LEN
|
||||
|
|
@ -582,126 +547,106 @@ SAVEFILE LDX $0100 ; Recover SP
|
|||
BRA :ENDLOOP
|
||||
|
||||
:CANTOPEN
|
||||
LDA #$01 ; Can't open/create
|
||||
LDA #$01 ; Can't open/create
|
||||
BRA :EXIT
|
||||
:WRITEERR
|
||||
LDA OPENPL+5 ; File ref num
|
||||
LDA OPENPL+5 ; File ref num
|
||||
STA CLSPL+1
|
||||
JSR CLSFILE
|
||||
LDA #$02 ; Write error
|
||||
LDA #$02 ; Write error
|
||||
BRA :EXIT
|
||||
:NORMALEND
|
||||
LDA OPENPL+5 ; File ref num
|
||||
LDA OPENPL+5 ; File ref num
|
||||
STA CLSPL+1
|
||||
JSR CLSFILE
|
||||
LDA #$00 ; Success!
|
||||
BCC :EXIT ; If close OK
|
||||
LDA #$02 ; Write error
|
||||
LDA #$00 ; Success!
|
||||
BCC :EXIT ; If close OK
|
||||
LDA #$02 ; Write error
|
||||
:EXIT PHA
|
||||
LDA $C08B ; R/W RAM, bank 1
|
||||
LDA $C08B ; R/W RAM, bank 1
|
||||
LDA $C08B
|
||||
LDA #<OSFILERET ; Return to caller in aux
|
||||
STA STRTL
|
||||
LDA #>OSFILERET
|
||||
STA STRTH
|
||||
>>> XFADDR,OSFILERET
|
||||
PLA
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
>>> XFAUX
|
||||
:LEN DW $0000
|
||||
:BLOCKS DB $00
|
||||
|
||||
* Quit to ProDOS
|
||||
QUIT INC $3F4 ; Invalidate powerup byte
|
||||
STA $C054 ; PAGE2 off
|
||||
QUIT INC $3F4 ; Invalidate powerup byte
|
||||
STA $C054 ; PAGE2 off
|
||||
JSR MLI
|
||||
DB QUITCMD
|
||||
DW QUITPL
|
||||
RTS
|
||||
|
||||
* Obtain catalog of current PREFIX dir
|
||||
CATALOG LDX $0100 ; Recover SP
|
||||
CATALOG LDX $0100 ; Recover SP
|
||||
TXS
|
||||
LDA $C081 ; Select ROM
|
||||
LDA $C081 ; Select ROM
|
||||
LDA $C081
|
||||
|
||||
JSR MLI ; Fetch prefix into BLKBUF
|
||||
JSR MLI ; Fetch prefix into BLKBUF
|
||||
DB GPFXCMD
|
||||
DW GPFXPL
|
||||
BNE CATEXIT ; If prefix not set
|
||||
BNE CATEXIT ; If prefix not set
|
||||
|
||||
LDA #<BLKBUF
|
||||
STA OPENPL+1
|
||||
LDA #>BLKBUF
|
||||
STA OPENPL+2
|
||||
JSR OPENFILE
|
||||
BCS CATEXIT ; Can't open dir
|
||||
BCS CATEXIT ; Can't open dir
|
||||
|
||||
CATREENTRY
|
||||
LDA OPENPL+5 ; File ref num
|
||||
LDA OPENPL+5 ; File ref num
|
||||
STA READPL+1
|
||||
JSR RDFILE
|
||||
BCC :S1
|
||||
CMP #$4C ; EOF
|
||||
CMP #$4C ; EOF
|
||||
BEQ :EOF
|
||||
BRA :READERR
|
||||
|
||||
:S1 JSR COPYAUXBLK
|
||||
|
||||
LDA $C08B ; R/W RAM, bank 1
|
||||
LDA $C08B ; R/W RAM, bank 1
|
||||
LDA $C08B
|
||||
LDA #<PRONEBLK
|
||||
STA STRTL
|
||||
LDA #>PRONEBLK
|
||||
STA STRTH
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
>>> XFADDR,PRONEBLK
|
||||
>>> XFAUX
|
||||
|
||||
:READERR
|
||||
:EOF LDA OPENPL+5 ; File ref num
|
||||
:EOF LDA OPENPL+5 ; File ref num
|
||||
STA CLSPL+1
|
||||
JSR CLSFILE
|
||||
|
||||
CATEXIT LDA $C08B ; R/W LC RAM, bank 1
|
||||
CATEXIT LDA $C08B ; R/W LC RAM, bank 1
|
||||
LDA $C08B
|
||||
LDA #<STARCATRET
|
||||
STA STRTL
|
||||
LDA #>STARCATRET
|
||||
STA STRTH
|
||||
>>> XFADDR,STARCATRET
|
||||
PLA
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
>>> XFAUX
|
||||
|
||||
* PRONEBLK call returns here ...
|
||||
CATALOGRET
|
||||
LDX #0100 ; Recover SP
|
||||
LDX #0100 ; Recover SP
|
||||
TXS
|
||||
LDA $C081 ; ROM please
|
||||
LDA $C081 ; ROM please
|
||||
LDA $C081
|
||||
BRA CATREENTRY
|
||||
|
||||
* Set the prefix
|
||||
SETPFX LDX $0100 ; Recover SP
|
||||
SETPFX LDX $0100 ; Recover SP
|
||||
TXS
|
||||
LDA $C081 ; ROM, ta!
|
||||
LDA $C081 ; ROM, ta!
|
||||
LDA $C081
|
||||
JSR MLI
|
||||
DB SPFXCMD
|
||||
DW SPFXPL
|
||||
BCC :S1
|
||||
JSR BELL ; Beep on error
|
||||
JSR BELL ; Beep on error
|
||||
|
||||
:S1 LDA $C08B ; R/W LC RAM, bank 1
|
||||
:S1 LDA $C08B ; R/W LC RAM, bank 1
|
||||
LDA $C08B
|
||||
LDA #<STARDIRRET
|
||||
STA STRTL
|
||||
LDA #>STARDIRRET
|
||||
STA STRTH
|
||||
SEC
|
||||
BIT RTSINST
|
||||
JMP XFER
|
||||
>>> XFADDR,STARDIRRET
|
||||
>>> XFAUX
|
||||
|
||||
* Create disk file
|
||||
CRTFILE JSR MLI
|
||||
|
|
@ -740,95 +685,95 @@ CANTOPEN ASC "Unable to open BASIC.ROM"
|
|||
ROMFILE STR "BASIC.ROM"
|
||||
|
||||
* ProDOS Parameter lists for MLI calls
|
||||
OPENPL HEX 03 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DW IOBUF0 ; Pointer to IO buffer
|
||||
DB $00 ; Reference number returned
|
||||
OPENPL HEX 03 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DW IOBUF0 ; Pointer to IO buffer
|
||||
DB $00 ; Reference number returned
|
||||
|
||||
OPENPL2 HEX 03 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DW $0000 ; Pointer to IO buffer
|
||||
DB $00 ; Reference number returned
|
||||
OPENPL2 HEX 03 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DW $0000 ; Pointer to IO buffer
|
||||
DB $00 ; Reference number returned
|
||||
|
||||
CREATEPL HEX 07 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DB $00 ; Access
|
||||
DB $00 ; File type
|
||||
DW $0000 ; Aux type
|
||||
DB $00 ; Storage type
|
||||
DW $0000 ; Create date
|
||||
DW $0000 ; Create time
|
||||
CREATEPL HEX 07 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DB $00 ; Access
|
||||
DB $00 ; File type
|
||||
DW $0000 ; Aux type
|
||||
DB $00 ; Storage type
|
||||
DW $0000 ; Create date
|
||||
DW $0000 ; Create time
|
||||
|
||||
DESTPL HEX 01 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
DESTPL HEX 01 ; Number of parameters
|
||||
DW $0000 ; Pointer to filename
|
||||
|
||||
READPL HEX 04 ; Number of parameters
|
||||
DB $00 ; Reference number
|
||||
DW BLKBUF ; Pointer to data buffer
|
||||
DW 512 ; Request count
|
||||
DW $0000 ; Trans count
|
||||
READPL HEX 04 ; Number of parameters
|
||||
DB $00 ; Reference number
|
||||
DW BLKBUF ; Pointer to data buffer
|
||||
DW 512 ; Request count
|
||||
DW $0000 ; Trans count
|
||||
|
||||
READPL2 HEX 04 ; Number of parameters
|
||||
DB #00 ; Reference number
|
||||
DW BLKBUF ; Pointer to data buffer
|
||||
DW 1 ; Request count
|
||||
DW $0000 ; Trans count
|
||||
READPL2 HEX 04 ; Number of parameters
|
||||
DB #00 ; Reference number
|
||||
DW BLKBUF ; Pointer to data buffer
|
||||
DW 1 ; Request count
|
||||
DW $0000 ; Trans count
|
||||
|
||||
WRITEPL HEX 04 ; Number of parameters
|
||||
DB $01 ; Reference number
|
||||
DW BLKBUF ; Pointer to data buffer
|
||||
DW $00 ; Request count
|
||||
DW $0000 ; Trans count
|
||||
WRITEPL HEX 04 ; Number of parameters
|
||||
DB $01 ; Reference number
|
||||
DW BLKBUF ; Pointer to data buffer
|
||||
DW $00 ; Request count
|
||||
DW $0000 ; Trans count
|
||||
|
||||
CLSPL HEX 01 ; Number of parameters
|
||||
DB $00 ; Reference number
|
||||
CLSPL HEX 01 ; Number of parameters
|
||||
DB $00 ; Reference number
|
||||
|
||||
FLSHPL HEX 01 ; Number of parameters
|
||||
DB $00 ; Reference number
|
||||
FLSHPL HEX 01 ; Number of parameters
|
||||
DB $00 ; Reference number
|
||||
|
||||
ONLPL HEX 02 ; Number of parameters
|
||||
DB $00 ; Unit num
|
||||
DW $301 ; Buffer
|
||||
ONLPL HEX 02 ; Number of parameters
|
||||
DB $00 ; Unit num
|
||||
DW $301 ; Buffer
|
||||
|
||||
GSPFXPL HEX 01 ; Number of parameters
|
||||
DW $300 ; Buffer
|
||||
GSPFXPL HEX 01 ; Number of parameters
|
||||
DW $300 ; Buffer
|
||||
|
||||
GPFXPL HEX 01 ; Number of parameters
|
||||
DW BLKBUF ; Buffer
|
||||
GPFXPL HEX 01 ; Number of parameters
|
||||
DW BLKBUF ; Buffer
|
||||
|
||||
SPFXPL HEX 01 ; Number of parameters
|
||||
DW MOSFILE ; Buffer
|
||||
SPFXPL HEX 01 ; Number of parameters
|
||||
DW MOSFILE ; Buffer
|
||||
|
||||
GMARKPL HEX 02 ; Number of parameters
|
||||
DB $00 ; File reference number
|
||||
DB $00 ; Mark (24 bit)
|
||||
GMARKPL HEX 02 ; Number of parameters
|
||||
DB $00 ; File reference number
|
||||
DB $00 ; Mark (24 bit)
|
||||
DB $00
|
||||
DB $00
|
||||
|
||||
GEOFPL HEX 02 ; Number of parameters
|
||||
DB $00 ; File reference number
|
||||
DB $00 ; EOF (24 bit)
|
||||
GEOFPL HEX 02 ; Number of parameters
|
||||
DB $00 ; File reference number
|
||||
DB $00 ; EOF (24 bit)
|
||||
DB $00
|
||||
DB $00
|
||||
|
||||
QUITPL HEX 04 ; Number of parameters
|
||||
QUITPL HEX 04 ; Number of parameters
|
||||
DB $00
|
||||
DW $0000
|
||||
DB $00
|
||||
DW $0000
|
||||
|
||||
* Buffer for Acorn MOS filename
|
||||
MOSFILE DS 64 ; 64 bytes max prefix/file len
|
||||
MOSFILE DS 64 ; 64 bytes max prefix/file len
|
||||
|
||||
* Acorn MOS format OSFILE param list
|
||||
FILEBLK
|
||||
FBPTR DW $0000 ; Pointer to name (in aux)
|
||||
FBLOAD DW $0000 ; Load address
|
||||
FBPTR DW $0000 ; Pointer to name (in aux)
|
||||
FBLOAD DW $0000 ; Load address
|
||||
DW $0000
|
||||
FBEXEC DW $0000 ; Exec address
|
||||
FBEXEC DW $0000 ; Exec address
|
||||
DW $0000
|
||||
FBSTRT DW $0000 ; Start address for SAVE
|
||||
FBSTRT DW $0000 ; Start address for SAVE
|
||||
DW $0000
|
||||
FBEND DW $0000 ; End address for SAVE
|
||||
FBEND DW $0000 ; End address for SAVE
|
||||
DW $0000
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user