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https://github.com/tjboldt/Apple2-IO-RPi.git
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Update firmware with command changes
This commit is contained in:
parent
cf9ff791fc
commit
590575de77
@ -55,7 +55,7 @@ Current file: CommandFirmware.asm
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00C51C 1 A9 A4 lda #$a4
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00C51E 1 85 33 sta $33
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00C520 1 GetCommand:
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00C520 1 20 6A FD jsr $fd6a
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00C520 1 20 67 FD jsr $fd67
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00C523 1 AD 00 02 lda $0200
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00C526 1 C9 8D cmp #$8d ;stop when return found
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00C528 1 F0 06 beq ExitApp
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@ -70,73 +70,72 @@ Current file: CommandFirmware.asm
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00C537 1 60 rts
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00C538 1
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00C538 1 DumpOutput:
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00C538 1 A2 50 ldx #$50
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00C53A 1 A9 05 lda #$05 ;send command 5 = exec
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00C53C 1 20 63 C5 jsr SendByte
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00C53F 1 A0 00 ldy #$00
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00C541 1 getInput:
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00C541 1 B9 00 02 lda $0200,y
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00C544 1 C9 8D cmp #$8d
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00C546 1 F0 08 beq sendNullTerminator
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00C548 1 29 7F and #$7f
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00C54A 1 20 63 C5 jsr SendByte
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00C54D 1 C8 iny
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00C54E 1 D0 F1 bne getInput
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00C550 1 sendNullTerminator:
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00C550 1 A9 00 lda #$00
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00C552 1 20 63 C5 jsr SendByte
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00C555 1 getOutput:
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00C555 1 20 81 C5 jsr GetByte
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00C558 1 C9 00 cmp #$00
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00C55A 1 F0 06 beq endOutput
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00C55C 1 20 ED FD jsr $fded
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00C55F 1 18 clc
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00C560 1 90 F3 bcc getOutput
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00C562 1 endOutput:
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00C562 1 60 rts
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00C563 1
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00C563 1 SendByte:
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00C563 1 48 pha
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00C564 1 waitWrite:
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00C564 1 AD DB C0 lda InputFlags
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00C567 1 2A rol
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00C568 1 2A rol
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00C569 1 B0 F9 bcs waitWrite
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00C56B 1 68 pla
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00C56C 1 8D DD C0 sta OutputByte
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00C56F 1 A9 0E lda #$0e ; set bit 0 low to indicate write started
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00C571 1 8D D7 C0 sta OutputFlags
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00C574 1 finishWrite:
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00C574 1 AD DB C0 lda InputFlags
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00C577 1 2A rol
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00C578 1 2A rol
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00C579 1 90 F9 bcc finishWrite
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00C57B 1 A9 0F lda #$0f
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00C57D 1 8D D7 C0 sta OutputFlags
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00C580 1 60 rts
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00C581 1
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00C581 1 GetByte:
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00C581 1 A9 0D lda #$0d ;set read flag low
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00C583 1 8D D7 C0 sta OutputFlags
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00C586 1 waitRead:
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00C586 1 AD DB C0 lda InputFlags
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00C589 1 2A rol
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00C58A 1 B0 FA bcs waitRead
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00C58C 1 AD DE C0 lda InputByte
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00C58F 1 48 pha
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00C590 1 A9 0F lda #$0f ;set all flags high
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00C592 1 8D D7 C0 sta OutputFlags
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00C595 1 finishRead:
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00C595 1 AD DB C0 lda InputFlags
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00C598 1 2A rol
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00C599 1 90 FA bcc finishRead
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00C59B 1 68 pla
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00C59C 1 end:
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00C59C 1 60 rts
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00C59D 1
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00C59D 1 00 00 00 00 .repeat 251-<end
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00C5A1 1 00 00 00 00
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00C5A5 1 00 00 00 00
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00C538 1 A9 05 lda #$05 ;send command 5 = exec
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00C53A 1 20 61 C5 jsr SendByte
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00C53D 1 A0 00 ldy #$00
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00C53F 1 getInput:
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00C53F 1 B9 00 02 lda $0200,y
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00C542 1 C9 8D cmp #$8d
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00C544 1 F0 08 beq sendNullTerminator
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00C546 1 29 7F and #$7f
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00C548 1 20 61 C5 jsr SendByte
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00C54B 1 C8 iny
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00C54C 1 D0 F1 bne getInput
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00C54E 1 sendNullTerminator:
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00C54E 1 A9 00 lda #$00
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00C550 1 20 61 C5 jsr SendByte
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00C553 1 getOutput:
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00C553 1 20 7F C5 jsr GetByte
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00C556 1 C9 00 cmp #$00
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00C558 1 F0 06 beq endOutput
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00C55A 1 20 ED FD jsr $fded
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00C55D 1 18 clc
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00C55E 1 90 F3 bcc getOutput
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00C560 1 endOutput:
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00C560 1 60 rts
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00C561 1
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00C561 1 SendByte:
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00C561 1 48 pha
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00C562 1 waitWrite:
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00C562 1 AD DB C0 lda InputFlags
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00C565 1 2A rol
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00C566 1 2A rol
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00C567 1 B0 F9 bcs waitWrite
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00C569 1 68 pla
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00C56A 1 8D DD C0 sta OutputByte
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00C56D 1 A9 1E lda #$1e ; set bit 0 low to indicate write started
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00C56F 1 8D D7 C0 sta OutputFlags
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00C572 1 finishWrite:
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00C572 1 AD DB C0 lda InputFlags
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00C575 1 2A rol
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00C576 1 2A rol
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00C577 1 90 F9 bcc finishWrite
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00C579 1 A9 1F lda #$1f
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00C57B 1 8D D7 C0 sta OutputFlags
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00C57E 1 60 rts
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00C57F 1
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00C57F 1 GetByte:
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00C57F 1 A9 1D lda #$1d ;set read flag low
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00C581 1 8D D7 C0 sta OutputFlags
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00C584 1 waitRead:
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00C584 1 AD DB C0 lda InputFlags
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00C587 1 2A rol
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00C588 1 B0 FA bcs waitRead
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00C58A 1 AD DE C0 lda InputByte
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00C58D 1 48 pha
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00C58E 1 A9 1F lda #$1f ;set all flags high
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00C590 1 8D D7 C0 sta OutputFlags
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00C593 1 finishRead:
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00C593 1 AD DB C0 lda InputFlags
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00C596 1 2A rol
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00C597 1 90 FA bcc finishRead
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00C599 1 68 pla
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00C59A 1 end:
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00C59A 1 60 rts
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00C59B 1
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00C59B 1 00 00 00 00 .repeat 251-<end
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00C59F 1 00 00 00 00
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00C5A3 1 00 00 00 00
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00C5FC 1 .byte 0
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00C5FC 1 .endrepeat
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00C5FC 1 00 00 .byte 0,0 ;0000 blocks = check status
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