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Disk-O-Tape

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Antoine Vignau 2024-03-13 04:41:35 +01:00
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²°°®²΄°<EFBFBD> µ°°°®µ΄¶°<EFBFBD> µ±°³Η<EFBFBD>ΓΟΠΩ<EFBFBD>ΙΗΘΤ ¨Γ© ±ΉΈ° ΒΩ ΔΑΞΞ ΝΓΓ<EFBFBD>ΕΑ<EFBFBD>Ω ΔΙΣ

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*
* Disk-o-Tape
* (c) 1980, Dann McCreary
*
TYP BIN
ORG $005100
MX %11
*-----------------------------------
CSWL = $36
CSWH = $37
A1L = $3C
A1H = $3D
KBD EQU $C000
KBDSTROBE EQU $C010
PRBL2 EQU $F94A
HOME EQU $FC58
WAIT EQU $FCA8
RDCHAR EQU $FD35
GETLN EQU $FD6A
CROUT EQU $FD8E
PRBYTE EQU $FDDA
COUT EQU $FDED
WRITE EQU $FECD
READ EQU $FEFD
BELL EQU $FF3A
L1000 = $1000
L5000 = $5000 ; Where the VTOC is loaded
*-----------------------------------
L5100 JMP L510A
LDY $8034
LDA #$02
BNE L510C
L510A LDA #$01 ; Read command
L510C PHA
LDX #$14
L510F LDA IOB_DFT,X
STA IOB,X
DEX
BNE L510F
PLA
STA IOB_COMMAND
JSR L5259
JSR HOME
LDA IOB_COMMAND
LSR
BNE L5131
JSR L54E1
JSR CROUT
JMP L514D
L5131 LDY #$0A
JSR PRINTSTRING
JSR CROUT
LDY #$25
L513B LDA #$FF
JSR WAIT
DEY
BNE L513B
LDY #$1A
JSR PRINTSTRING
LDY #$1E
JSR PRINTSTRING
L514D LDY #$1C
JSR PRINTSTRING
JSR L52AA
LDA #$01
STA L55FB
JSR CROUT
LDY #$0C
JSR PRINTSTRING
L5162 JSR L51D8
JSR L51A5
LDA IOB_TRACK
BMI L5175
CLC
ADC IOB_SECTOR
CMP #$00
BNE L5162
L5175 LDA IOB_COMMAND
LSR
BNE L517E
JMP L554E
L517E JSR CROUT
LDY #$08
L5183 JSR CROUT
JSR PRINTSTRING
JSR L518F
JMP $03D0
L518F BIT KBDSTROBE
L5192 LDY #$07
L5194 LDA #$FF
JSR WAIT
DEY
BNE L5194
JSR BELL
LDA KBD
BPL L5192
RTS
L51A5 LDA IOB_COMMAND
LSR
BNE L51DE
L51AB LDY #$00
L51AD LDX #$03
L51AF LDA L52FC,Y
STA A1L,X
INY
DEX
BPL L51AF
LDA IOB_COMMAND
AND #$01
BNE L51D5
JSR L5250
JSR READ
PHP
JSR L5259
PLP
BEQ L51D4
JSR CROUT
LDY #$18
JMP L52A2
L51D4 RTS
L51D5 JMP WRITE
L51D8 LDA IOB_COMMAND
LSR
BNE L51AB
L51DE LDA #>L1000
STA IOB_BUFFER+1
STA A1H
LDA #<L1000
STA IOB_BUFFER
STA A1L
LDA IOB_COMMAND
LSR
BNE L5206
LDA #$20
STA L55F7
LDY #$00
TYA
L51FA STA ($3C),Y
INY
BNE L51FA
INC A1H
DEC L55F7
BNE L51FA
L5206 LDA #$20
STA L55F7
LDA L55FB
BEQ L5215
DEC L55FB
BEQ L522F
L5215 JSR L52D5
LDA IOB_TRACK
SEC
SBC #$00
BPL L522F
STA IOB_TRACK
LDY L55F7
L5226 LDA #$D7
JSR WAIT
DEY
BNE L5226
RTS
L522F JSR GO_RWTS
LDA IOB_TRACK
JSR PRBYTE
LDX #$01
JSR PRBL2
LDA IOB_SECTOR
JSR PRBYTE
LDA #$00
STA $24
INC IOB_BUFFER+1
DEC L55F7
BNE L5215
RTS
L5250 LDA #<L5262
STA CSWL
LDA #>L5262
STA CSWH
RTS
L5259 LDA #$F0
STA CSWL
LDA #$FD
STA CSWH
RTS
L5262 CMP #$87
BEQ L526A
PLA
PLA
LDA #$FF
L526A RTS
*-----------------------------------
PRINTSTRING LDA L5329,Y ; PRINT STRING
STA $01
LDA L532A,Y
STA $00
LDY #$FF
L5277 INY
LDA ($00),Y
ORA #$80
JSR COUT
LDA ($00),Y
BMI L5277
RTS
*-----------------------------------
GO_RWTS LDA #>IOB
LDY #<IOB
JSR $03D9
BCC L5290
JSR L5291
L5290 RTS
L5291 LDA IOB_ERRCODE
LDY #$0E
CMP #$10
BEQ L52A2
LDY #$10
CMP #$80
BEQ L52A2
LDY #$12
L52A2 JSR PRINTSTRING
LDY #$16
JMP L5183
*-----------------------------------
L52AA LDA #$23
NOP
STA IOB_TRACK
ASL
ASL
CLC
ADC #$38
STA L55F9
L52B8 LDA #$00
STA L55F8
LDA L55F9
SEC
SBC #$04
TAX
STX L55F9
STX L55FA
DEC IOB_TRACK
BMI L52FB
LDA #$10
NOP
STA IOB_SECTOR
L52D5 LDX L55FA
DEC IOB_SECTOR
BMI L52B8
L52DD CLC
LDA L55F8
BNE L52E4
SEC
L52E4 ROR
BNE L52EB
INX
STX L55FA
L52EB STA L55F8
LDA L55F8
BEQ L52DD
AND $5000,X
NOP
NOP
STX L55FA
L52FB RTS
*---------- Read/Write Tape commands
* Put at A1/A2 ($3C..$3F)
* Code puts it inverted
L52FC DB $2F ; 0 1000/3000
DB $FF
DB $10
DB $00
DB $4F ; 4 3000/5000
DB $FF
DB $30
DB $00
DB $54 ; 8 5000/5461
DB $60
DB $50
DB $00
DB $34 ; C 3000/3461
DB $60
DB $30
DB $00
DB $54 ; 10 53FE/543F
DB $3E
DB $53
DB $FE
DB $30 ; 14 3000/3041
DB $40
DB $30
DB $00
*---------- Default IOB table
IOB_DFT DB $01
DB $60
DB $01
DB $00
DB $00
DB $00
DA $54DD
DA $1000
DB $00
DB $00
DB $00
DB $00
DB $00
DB $60
DB $01
DB $00
DB $01
DB $EF
DB $D8
*---------- Pointers to strings (all inverted...)
L5329 DB >L53C3 ; 0 DISK-O-TAPE/PASCAL
L532A DB <L53C3
DB >L543C ; 1 PLEASE INSERT DISK TO BE COPIED
DB <L543C
DB >L5418 ; 2 COPYRIGHT
DB <L5418
DB >L5498 ; 3 PLEASE REWIND TAPE...
DB <L5498
DB >L536A ; 4 COPY DONE
DB <L536A
DB >L5374 ; 5 COPY TAPE -> DISK
DB <L5374
DB >L5386 ; 6 TK/SC
DB <L5386
DB >L538C ; 7 DISK WRITE PROTECTED
DB <L538C
DB >L53A1 ; 8 DISK READ ERROR
DB <L53A1
DB >L53B1 ; 9 DISK DRIVE ERROR
DB <L53B1
DB >L545C ; A COPY DISK -> TAPE
DB <L545C
DB >L534F ; B COPY ABORT
DB <L534F
DB >L535A ; C TAPE READ ERROR
DB <L535A
DB >L53D6 ; D DISK NAME
DB <L53D6
DB >L53DF ; E " "
DB <L53DF
DB >L53C2 ; F :
DB <L53C2
DB >L546E ; 10 ERROR DURING
DB <L546E
DB >L547B ; 11 TAPE VERIFY
DB <L547B
DB >L5488 ; 12 VERIFY COMPLETE
DB >L5488
L534F ASC "COPY ABORT"0D
L535A ASC "TAPE READ ERROR"0D
L536A ASC "COPY DONE"0D
L5374 ASC "COPY TAPE -> DISK"0D
L5386 ASC "TK/SC"0D
L538C ASC "DISK WRITE PROTECTED"0D
L53A1 ASC "DISK READ ERROR"0D
L53B1 ASC "DISK DRIVE ERROR"0D
L53C2 ASC ':'
L53C3 ASC "DISK-O-TAPE/PASCAL"0D
L53D6 ASC "DISK NAM"
ASC 'E'
L53DF ASC " "
L53E0 ASC "SPACE RESERVED FOR DISK NAME "0D
L53FE ASC "200.240R 5000.5460R 5103G"8D
L5418 ASC "COPYRIGHT (C) 1980 BY DANN MCCREARY"0D
L543C ASC "PLEASE INSERT DISK TO BE COPIED"0D
L545C ASC "COPY DISK -> TAPE"0D
L546E ASC "ERROR DURING "
L547B ASC "TAPE VERIFY"8D0D
L5488 ASC "VERIFY COMPLETE"0D
L5498 ASC "PLEASE REWIND TAPE, START"8D
ASC "RECORDER AND PRESS RETURN"0D
*-----------------------------------
IOB DB $01 ; 0 IOB type
DB $60 ; 1 Slot number * 16
DB $01 ; 2 Disk drive
DB $00 ; 3 Expected volume number
IOB_TRACK DB $00 ; 4 Track
IOB_SECTOR DB $00 ; 5 Sector
DA L54DD
IOB_BUFFER DA $1000 ; 8 Buffer
DB $00
DB $00
IOB_COMMAND DB $00 ; Command
IOB_ERRCODE DB $00 ; Error code
DB $00
DB $60
DB $01
L54DD DB $00 ; DCT
DB $01
DB $EF
DB $D8
*-----------------------------------
MX %11
L54E1 LDY #$00
JSR PRINTSTRING
LDY #$04
JSR PRINTSTRING
JSR CROUT
LDY #$02
JSR PRINTSTRING
JSR CROUT
LDY #$1A
JSR PRINTSTRING
LDA #$BF
STA |$0033
JSR GETLN
CPX #$1D
BCC L5509
LDX #$1D
L5509 LDA #$0D
STA L53E0,X
L550E LDA $0200,X
STA L53DF,X
DEX
BPL L550E
JSR CROUT
LDY #$06
JSR PRINTSTRING
JSR RDCHAR
JSR CROUT
LDY #$14
JSR PRINTSTRING
LDY #$10
JSR L51AD
JSR L5537 ; read VTOC
LDY #$08
JMP L51AD
*---------- Read (write?) VTOC
L5537 LDA #$00
STA IOB_SECTOR
LDA #$11
STA IOB_TRACK
LDA #>L5000
STA IOB_BUFFER+1
LDA #<L5000
STA IOB_BUFFER
JMP GO_RWTS
*----------
L554E JSR HOME
LDY #$22
JSR PRINTSTRING
LDY #$06
JSR PRINTSTRING
JSR L518F
LDA #$01
STA IOB_COMMAND
JSR L5537
LDY #$14
JSR L55B9
LDY #$0C
JSR L55B9
JSR L52AA
LDA #$01
STA L55FB
JSR CROUT
LDY #$1C
JSR PRINTSTRING
LDY #$0C
JSR PRINTSTRING
L5585 LDA #$01
STA IOB_COMMAND
JSR L51DE
LDY #$04
JSR L55B9
LDA IOB_TRACK
BMI L559F
CLC
ADC IOB_SECTOR
CMP #$00
BNE L5585
L559F JSR CROUT
LDY #$24
JMP L5183
L55A7 LDX #$07
L55A9 CPX #$05
BNE L55AF
DEX
DEX
L55AF LDA L52FC,Y
STA A1L,X
INY
DEX
BPL L55A9
RTS
L55B9 STY L55FE
LDA #$02
STA IOB_COMMAND
JSR L51AD
LDY L55FE
DEY
DEY
JSR L55A7
JSR L55E4
LDY #$00
JSR $FE36
PHP
JSR L5259
PLP
BCS L55E3
JSR CROUT
LDY #$20
JMP L52A2
L55E3 RTS
L55E4 LDA #<L55ED
STA CSWL
LDA #>L55ED
STA CSWH
RTS
L55ED CMP #$87
BEQ L55F5
PLA
PLA
PLA
PLA
L55F5 CLC
RTS
L55F7 DB $00
L55F8 DB $00
L55F9 DB $00
L55FA DB $00
L55FB DB $00
DB $00
DB $00
L55FE DB $00
DB $51