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Merged in *DIR slot/drive (:sd) handling again

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Bobbi Webber-Manners 2021-08-30 19:48:11 -04:00
parent 39d6fad471
commit 6fbac9ed99
2 changed files with 43 additions and 20 deletions
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mainmem.s
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@ -919,7 +919,34 @@ CATALOGRET
* dir/file.ext filesystem, so '..' means parent dir (eg: '../SOMEDIR')
* Also allows '^' as '^' is illegal character
* Carry set on error, clear otherwise
PREPATH JSR GETPREF ; Current pfx -> MOSFILE2
PREPATH LDX MOSFILE ; Length
BEQ :EXIT ; If zero length
LDA MOSFILE+1 ; 1st char of pathname
CMP #$3A ; ':'
BNE :NOTCOLN ; Not colon
CPX #$03 ; Length >= 3?
BCC :ERR ; If not
LDA MOSFILE+3 ; Drive
SEC
SBC #'1'
TAX
LDA MOSFILE+2 ; Slot
SEC
SBC #'0'
JSR DRV2PFX ; Slot/drv->pfx in MOSFILE2
JSR DEL1CHAR ; Delete ':' from MOSFILE
JSR DEL1CHAR ; Delete slot from MOSFILE
JSR DEL1CHAR ; Delete drive from MOSFILE
LDA MOSFILE ; Is there more?
BEQ :APPEND ; Only ':sd'
CMP #$02 ; Length >= 2
BCC :ERR ; If not
LDA MOSFILE+1 ; 1st char of filename
CMP #$2F ; '/'
BNE :ERR
JSR DEL1CHAR ; Delete '/' from MOSFILE
BRA :APPEND
:NOTCOLN JSR GETPREF ; Current pfx -> MOSFILE2
:REENTER LDA MOSFILE+1 ; First char of dirname
CMP #'.'
BEQ :UPDIR1
@ -927,7 +954,7 @@ PREPATH JSR GETPREF ; Current pfx -> MOSFILE2
BEQ :CARET ; If '^'
CMP #$2F ; '/' char - abs path
BEQ :EXIT ; Nothing to do
BRA :PARENT
BRA :APPEND
:UPDIR1 LDA MOSFILE+2
CMP #'.' ; '..'
@ -936,7 +963,7 @@ PREPATH JSR GETPREF ; Current pfx -> MOSFILE2
:CARET JSR DEL1CHAR ; Delete '^' from MOSFILE
JSR PARENT ; Parent dir -> MOSFILE2
LDA MOSFILE ; Is there more?
BEQ :PARENT ; Only '^'
BEQ :APPEND ; Only '^'
CMP #$02 ; Len at least two?
BCC :ERR ; Nope!
LDA MOSFILE+1 ; What is next char?
@ -944,7 +971,7 @@ PREPATH JSR GETPREF ; Current pfx -> MOSFILE2
BNE :ERR ; Nope!
JSR DEL1CHAR ; Delete '/' from MOSFILE
BRA :REENTER ; Go again!
:PARENT JSR APPMF2 ; Append MOSFILE->MOSFILE2
:APPEND JSR APPMF2 ; Append MOSFILE->MOSFILE2
JSR COPYMF2 ; Copy back to MOSFILE
:EXIT CLC
RTS
@ -1019,20 +1046,12 @@ PARENT LDX MOSFILE2 ; Length of string
* Convert slot/drive to prefix
* Expect slot number (1..7) in A, drive (0..1) in X
* Puts prefix (or empty string) in MOSFILE
DRV2PFX
* ASL
* ASL
* ASL
* ASL
* STX :TEMP ; Gets 0SSS000D
* ORA :TEMP ; Shouldn't this be DSSS00000 ?
CLC ; Cy=0 A=00000sss
* Puts prefix (or empty string) in MOSFILE2
DRV2PFX CLC ; Cy=0 A=00000sss
ROR A ; s 000000ss
ROR A ; s s000000s
ROR A ; s ss000000
ROR A ; s sss00000
ROR A ; 0 sss00000
CPX #1 ; d sss00000
ROR A ; 0 dsss0000
@ -1042,16 +1061,20 @@ DRV2PFX
DW ONLNPL ; Buffer set to DRVBUF2 (was $301)
LDA DRVBUF2 ; was $301 ; Slot/Drive/Length
AND #$0F ; Mask to get length
STA MOSFILE ; Store length
TAX
:L1 CPX #$00 ; Copy -> MOSFILE
INC ; Plus '/' at each end
INC
STA MOSFILE2 ; Store length
LDA #$2F ; '/'
STA MOSFILE2+1
STA MOSFILE2+2,X
:L1 CPX #$00 ; Copy -> MOSFILE2
BEQ :EXIT
LDA DRVBUF2,X ; was $301,X
STA MOSFILE,X ; Should be able to read
DEX ; directly to MOSFILE
STA MOSFILE2+1,X
DEX
BRA :L1
:EXIT RTS
* :TEMP DB $00
* Delete first char of MOSFILE
DEL1CHAR LDX MOSFILE ; Length