forked from Apple-2-HW/Apple2-IO-RPi
Add shell command with TTY support (#44)
* Add tty support for shell * Update shell command
This commit is contained in:
Terence Boldt
GitHub
parent
b2a463f3d6
commit
453a644a0b
@ -27,6 +27,7 @@ ExecCommand = $05
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LoadFileCommand = $06
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SaveFileCommand = $07
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MenuCommand = $08
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ShellCommand = $09
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InputString = $fd6a
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StringBuffer = $0200
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@ -43,79 +44,12 @@ ESC = $9b
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.org $2000
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Start:
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lda PromptChar
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sta OldPromptChar
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lda #'$'|$80
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sta PromptChar
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lda #ExecCommand
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jsr SendByte
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ldx #$00
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sendHelpCommand:
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lda HelpCommand,x
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cmp #$00
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beq sendHelpCommandEnd
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jsr SendByte
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inx
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bpl sendHelpCommand
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sendHelpCommandEnd:
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lda #$00
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jsr SendByte
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jsr $c300 ; force 80 columns
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bit ClearKeyboard
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jsr DumpOutput
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Prompt:
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lda #ExecCommand
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lda #ShellCommand
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jsr SendByte
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ldx #$00
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sendPromptCommand:
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lda PromptCommand,x
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cmp #$00
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beq sendPromptCommandEnd
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jsr SendByte
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inx
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bpl sendPromptCommand
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sendPromptCommandEnd:
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lda #$00
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jsr SendByte
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bit ClearKeyboard
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jsr DumpOutput
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; get input
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jsr InputString
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; check for "exit"
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lda StringBuffer
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cmp #'e'|$80
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bne Execute
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lda StringBuffer+1
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cmp #'x'|$80
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bne Execute
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lda StringBuffer+2
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cmp #'i'|$80
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bne Execute
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lda StringBuffer+3
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cmp #'t'|$80
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bne Execute
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lda OldPromptChar
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sta PromptChar
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rts
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Execute:
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bit ClearKeyboard
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lda #ExecCommand
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jsr SendByte
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ldy #$00
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sendInput:
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lda $0200,y
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cmp #$8d
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beq sendNullTerminator
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and #$7f
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jsr SendByte
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iny
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bne sendInput
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sendNullTerminator:
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lda #$00
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jsr SendByte
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jsr DumpOutput
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jmp Prompt
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DumpOutput:
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jsr GetByte
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BIN
Apple2/Shell.bin
BIN
Apple2/Shell.bin
Binary file not shown.
296
Apple2/Shell.lst
296
Apple2/Shell.lst
@ -31,6 +31,7 @@ Current file: Shell.asm
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000000r 1 LoadFileCommand = $06
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000000r 1 SaveFileCommand = $07
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000000r 1 MenuCommand = $08
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000000r 1 ShellCommand = $09
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000000r 1
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000000r 1 InputString = $fd6a
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000000r 1 StringBuffer = $0200
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@ -47,184 +48,117 @@ Current file: Shell.asm
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000000r 1
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000000r 1 .org $2000
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002000 1 Start:
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002000 1 A5 33 lda PromptChar
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002002 1 8D 4C 21 sta OldPromptChar
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002005 1 A9 A4 lda #'$'|$80
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002007 1 85 33 sta PromptChar
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002009 1 A9 05 lda #ExecCommand
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00200B 1 20 F5 20 jsr SendByte
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00200E 1 A2 00 ldx #$00
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002010 1 sendHelpCommand:
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002010 1 BD 3C 21 lda HelpCommand,x
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002013 1 C9 00 cmp #$00
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002015 1 F0 06 beq sendHelpCommandEnd
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002017 1 20 F5 20 jsr SendByte
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00201A 1 E8 inx
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00201B 1 10 F3 bpl sendHelpCommand
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00201D 1 sendHelpCommandEnd:
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00201D 1 A9 00 lda #$00
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00201F 1 20 F5 20 jsr SendByte
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002022 1 2C 10 C0 bit ClearKeyboard
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002025 1 20 90 20 jsr DumpOutput
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002028 1
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002028 1 Prompt:
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002028 1 A9 05 lda #ExecCommand
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00202A 1 20 F5 20 jsr SendByte
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00202D 1 A2 00 ldx #$00
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00202F 1 sendPromptCommand:
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00202F 1 BD 43 21 lda PromptCommand,x
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002032 1 C9 00 cmp #$00
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002034 1 F0 06 beq sendPromptCommandEnd
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002036 1 20 F5 20 jsr SendByte
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002039 1 E8 inx
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00203A 1 10 F3 bpl sendPromptCommand
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00203C 1 sendPromptCommandEnd:
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00203C 1 A9 00 lda #$00
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00203E 1 20 F5 20 jsr SendByte
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002041 1 2C 10 C0 bit ClearKeyboard
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002044 1 20 90 20 jsr DumpOutput
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002047 1
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002047 1 ; get input
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002047 1 20 6A FD jsr InputString
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00204A 1 ; check for "exit"
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00204A 1 AD 00 02 lda StringBuffer
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00204D 1 C9 E5 cmp #'e'|$80
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00204F 1 D0 1B bne Execute
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002051 1 AD 01 02 lda StringBuffer+1
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002054 1 C9 F8 cmp #'x'|$80
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002056 1 D0 14 bne Execute
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002058 1 AD 02 02 lda StringBuffer+2
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00205B 1 C9 E9 cmp #'i'|$80
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00205D 1 D0 0D bne Execute
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00205F 1 AD 03 02 lda StringBuffer+3
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002062 1 C9 F4 cmp #'t'|$80
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002064 1 D0 06 bne Execute
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002066 1 AD 4C 21 lda OldPromptChar
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002069 1 85 33 sta PromptChar
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00206B 1 60 rts
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00206C 1 Execute:
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00206C 1 2C 10 C0 bit ClearKeyboard
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00206F 1 A9 05 lda #ExecCommand
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002071 1 20 F5 20 jsr SendByte
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002074 1 A0 00 ldy #$00
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002076 1 sendInput:
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002076 1 B9 00 02 lda $0200,y
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002079 1 C9 8D cmp #$8d
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00207B 1 F0 08 beq sendNullTerminator
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00207D 1 29 7F and #$7f
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00207F 1 20 F5 20 jsr SendByte
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002082 1 C8 iny
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002083 1 D0 F1 bne sendInput
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002085 1 sendNullTerminator:
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002085 1 A9 00 lda #$00
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002087 1 20 F5 20 jsr SendByte
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00208A 1 20 90 20 jsr DumpOutput
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00208D 1 4C 28 20 jmp Prompt
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002090 1
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002090 1 DumpOutput:
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002090 1 20 13 21 jsr GetByte
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002093 1 B0 1E bcs checkInput
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002095 1 C9 00 cmp #$00
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002097 1 F0 2D beq endOutput
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002099 1 C9 48 cmp #'H'
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00209B 1 F0 30 beq setColumn
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00209D 1 C9 56 cmp #'V'
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00209F 1 F0 37 beq setRow
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0020A1 1 C9 43 cmp #'C'
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0020A3 1 F0 22 beq clearScreen
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0020A5 1 C9 54 cmp #'T'
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0020A7 1 F0 3C beq setTop
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0020A9 1 C9 42 cmp #'B'
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0020AB 1 F0 40 beq setBottom
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0020AD 1 20 ED FD jsr PrintChar
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0020B0 1 4C 90 20 jmp DumpOutput
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0020B3 1 checkInput:
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0020B3 1 2C 00 C0 bit Keyboard ;check for keypress
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0020B6 1 10 D8 bpl DumpOutput ;keep dumping output if no keypress
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0020B8 1 AD 00 C0 lda Keyboard ;send keypress to RPi
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0020BB 1 29 7F and #$7f
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0020BD 1 20 F5 20 jsr SendByte
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0020C0 1 2C 10 C0 bit ClearKeyboard
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0020C3 1 4C 90 20 jmp DumpOutput
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0020C6 1 endOutput:
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0020C6 1 60 rts
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0020C7 1 clearScreen:
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0020C7 1 20 58 FC jsr Home
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0020CA 1 4C 90 20 jmp DumpOutput
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0020CD 1 setColumn:
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0020CD 1 20 13 21 jsr GetByte
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0020D0 1 85 24 sta htab
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0020D2 1 8D 7B 05 sta $057B
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0020D5 1 4C 90 20 jmp DumpOutput
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0020D8 1 setRow:
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0020D8 1 20 13 21 jsr GetByte
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0020DB 1 85 25 sta vtab
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0020DD 1 20 C1 FB jsr $fbc1 ; bascalc
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0020E0 1 85 28 sta $28 ;basl
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0020E2 1 4C 90 20 jmp DumpOutput
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0020E5 1 setTop:
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0020E5 1 20 13 21 jsr GetByte
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0020E8 1 85 22 sta $22
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0020EA 1 4C 90 20 jmp DumpOutput
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0020ED 1 setBottom:
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0020ED 1 20 13 21 jsr GetByte
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0020F0 1 85 23 sta $23
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0020F2 1 4C 90 20 jmp DumpOutput
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0020F5 1
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0020F5 1 SendByte:
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0020F5 1 48 pha
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0020F6 1 waitWrite:
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0020F6 1 AD FB C0 lda InputFlags
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0020F9 1 2A rol
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0020FA 1 2A rol
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0020FB 1 B0 F9 bcs waitWrite
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0020FD 1 68 pla
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0020FE 1 8D FD C0 sta OutputByte
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002101 1 A9 1E lda #$1e ; set bit 0 low to indicate write started
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002103 1 8D F7 C0 sta OutputFlags
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002106 1 finishWrite:
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002106 1 AD FB C0 lda InputFlags
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002109 1 2A rol
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00210A 1 2A rol
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00210B 1 90 F9 bcc finishWrite
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00210D 1 A9 1F lda #$1f
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00210F 1 8D F7 C0 sta OutputFlags
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002112 1 60 rts
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002113 1
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002113 1 GetByte:
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002113 1 A9 1D lda #$1d ;set read flag low
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002115 1 8D F7 C0 sta OutputFlags
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002118 1 waitRead:
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002118 1 AD FB C0 lda InputFlags
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00211B 1 2A rol
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00211C 1 90 0C bcc readByte
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00211E 1 2C 00 C0 bit Keyboard ;keypress will abort waiting to read
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002121 1 10 F5 bpl waitRead
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002123 1 A9 1F lda #$1f ;set all flags high and exit
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002125 1 8D F7 C0 sta OutputFlags
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002128 1 38 sec ;failure
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002129 1 60 rts
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00212A 1 readByte:
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00212A 1 AD FE C0 lda InputByte
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00212D 1 48 pha
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00212E 1 A9 1F lda #$1f ;set all flags high
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002130 1 8D F7 C0 sta OutputFlags
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002133 1 finishRead:
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002133 1 AD FB C0 lda InputFlags
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002136 1 2A rol
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002137 1 90 FA bcc finishRead
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002139 1 68 pla
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00213A 1 18 clc ;success
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00213B 1 end:
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00213B 1 60 rts
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00213C 1
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00213C 1 HelpCommand:
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00213C 1 61 32 68 65 .byte "a2help",$00
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002140 1 6C 70 00
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002143 1 PromptCommand:
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002143 1 61 32 70 72 .byte "a2prompt",$00
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002147 1 6F 6D 70 74
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00214B 1 00
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00214C 1 OldPromptChar:
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00214C 1 5D .byte "]"
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00214D 1
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002000 1 20 00 C3 jsr $c300 ; force 80 columns
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002003 1 2C 10 C0 bit ClearKeyboard
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002006 1 A9 09 lda #ShellCommand
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002008 1 20 74 20 jsr SendByte
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00200B 1 20 0F 20 jsr DumpOutput
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00200E 1 60 rts
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00200F 1
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00200F 1 DumpOutput:
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00200F 1 20 92 20 jsr GetByte
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002012 1 B0 1E bcs checkInput
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002014 1 C9 00 cmp #$00
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002016 1 F0 2D beq endOutput
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002018 1 C9 48 cmp #'H'
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00201A 1 F0 30 beq setColumn
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00201C 1 C9 56 cmp #'V'
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00201E 1 F0 37 beq setRow
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002020 1 C9 43 cmp #'C'
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002022 1 F0 22 beq clearScreen
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002024 1 C9 54 cmp #'T'
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002026 1 F0 3C beq setTop
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002028 1 C9 42 cmp #'B'
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00202A 1 F0 40 beq setBottom
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00202C 1 20 ED FD jsr PrintChar
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00202F 1 4C 0F 20 jmp DumpOutput
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002032 1 checkInput:
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002032 1 2C 00 C0 bit Keyboard ;check for keypress
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002035 1 10 D8 bpl DumpOutput ;keep dumping output if no keypress
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002037 1 AD 00 C0 lda Keyboard ;send keypress to RPi
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00203A 1 29 7F and #$7f
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00203C 1 20 74 20 jsr SendByte
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00203F 1 2C 10 C0 bit ClearKeyboard
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002042 1 4C 0F 20 jmp DumpOutput
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002045 1 endOutput:
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002045 1 60 rts
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002046 1 clearScreen:
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002046 1 20 58 FC jsr Home
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002049 1 4C 0F 20 jmp DumpOutput
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00204C 1 setColumn:
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00204C 1 20 92 20 jsr GetByte
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00204F 1 85 24 sta htab
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002051 1 8D 7B 05 sta $057B
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002054 1 4C 0F 20 jmp DumpOutput
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002057 1 setRow:
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002057 1 20 92 20 jsr GetByte
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00205A 1 85 25 sta vtab
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00205C 1 20 C1 FB jsr $fbc1 ; bascalc
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00205F 1 85 28 sta $28 ;basl
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002061 1 4C 0F 20 jmp DumpOutput
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002064 1 setTop:
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002064 1 20 92 20 jsr GetByte
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002067 1 85 22 sta $22
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002069 1 4C 0F 20 jmp DumpOutput
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00206C 1 setBottom:
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00206C 1 20 92 20 jsr GetByte
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00206F 1 85 23 sta $23
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002071 1 4C 0F 20 jmp DumpOutput
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002074 1
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002074 1 SendByte:
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002074 1 48 pha
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002075 1 waitWrite:
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002075 1 AD FB C0 lda InputFlags
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002078 1 2A rol
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002079 1 2A rol
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00207A 1 B0 F9 bcs waitWrite
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00207C 1 68 pla
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00207D 1 8D FD C0 sta OutputByte
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002080 1 A9 1E lda #$1e ; set bit 0 low to indicate write started
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002082 1 8D F7 C0 sta OutputFlags
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002085 1 finishWrite:
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002085 1 AD FB C0 lda InputFlags
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002088 1 2A rol
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002089 1 2A rol
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00208A 1 90 F9 bcc finishWrite
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00208C 1 A9 1F lda #$1f
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00208E 1 8D F7 C0 sta OutputFlags
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002091 1 60 rts
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002092 1
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002092 1 GetByte:
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002092 1 A9 1D lda #$1d ;set read flag low
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002094 1 8D F7 C0 sta OutputFlags
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002097 1 waitRead:
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002097 1 AD FB C0 lda InputFlags
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00209A 1 2A rol
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00209B 1 90 0C bcc readByte
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00209D 1 2C 00 C0 bit Keyboard ;keypress will abort waiting to read
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0020A0 1 10 F5 bpl waitRead
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0020A2 1 A9 1F lda #$1f ;set all flags high and exit
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0020A4 1 8D F7 C0 sta OutputFlags
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0020A7 1 38 sec ;failure
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0020A8 1 60 rts
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0020A9 1 readByte:
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0020A9 1 AD FE C0 lda InputByte
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0020AC 1 48 pha
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0020AD 1 A9 1F lda #$1f ;set all flags high
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0020AF 1 8D F7 C0 sta OutputFlags
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0020B2 1 finishRead:
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0020B2 1 AD FB C0 lda InputFlags
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0020B5 1 2A rol
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0020B6 1 90 FA bcc finishRead
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0020B8 1 68 pla
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0020B9 1 18 clc ;success
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0020BA 1 end:
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0020BA 1 60 rts
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0020BB 1
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0020BB 1 HelpCommand:
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0020BB 1 61 32 68 65 .byte "a2help",$00
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0020BF 1 6C 70 00
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0020C2 1 PromptCommand:
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0020C2 1 61 32 70 72 .byte "a2prompt",$00
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0020C6 1 6F 6D 70 74
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0020CA 1 00
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0020CB 1 OldPromptChar:
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0020CB 1 5D .byte "]"
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0020CC 1
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Binary file not shown.
@ -21,11 +21,12 @@ import (
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const readBlockCommand = 1
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const writeBlockCommand = 2
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const getTimeCommand = 3
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const changeDriveCommand = 4
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const changeDriveCommand = 4 // not currently used
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const execCommand = 5
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const loadFileCommand = 6
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const saveFileCommand = 7
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const saveFileCommand = 7 // not implemented yet
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const menuCommand = 8
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const shellCommand = 9
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func main() {
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drive1, drive2 := getDriveFiles()
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@ -56,6 +57,8 @@ func main() {
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handlers.LoadFileCommand()
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case menuCommand:
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handlers.MenuCommand()
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case shellCommand:
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handlers.ShellCommand()
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}
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// temporary workaround for busy wait loop heating up the RPi
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} else if time.Since(lastCommandTime) > time.Millisecond*100 {
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@ -3,6 +3,7 @@ module github.com/tjboldt/Apple2-IO-RPi/RaspberryPi/apple2driver
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go 1.16
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require (
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github.com/creack/pty v1.1.17 // indirect
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github.com/tjboldt/ProDOS-Utilities v0.0.0-20210607001541-fa0e76cf84c0
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periph.io/x/periph v3.6.8+incompatible
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)
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@ -1,3 +1,5 @@
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github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
|
||||
github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
|
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github.com/tjboldt/ProDOS-Utilities v0.0.0-20210607001541-fa0e76cf84c0 h1:iH6+15jJQsUMv9yeC5m26qh8VdJeRmZiYGM1ZG4aLVI=
|
||||
github.com/tjboldt/ProDOS-Utilities v0.0.0-20210607001541-fa0e76cf84c0/go.mod h1:eBQRf0U+goRbBOxzFCwRW+FZmALC8dfYaqCwcqwzi74=
|
||||
periph.io/x/periph v3.6.8+incompatible h1:lki0ie6wHtvlilXhIkabdCUQMpb5QN4Fx33yNQdqnaA=
|
||||
|
||||
59
RaspberryPi/apple2driver/handlers/shell.go
Executable file
59
RaspberryPi/apple2driver/handlers/shell.go
Executable file
@ -0,0 +1,59 @@
|
||||
// Copyright Terence J. Boldt (c)2020-2021
|
||||
// Use of this source code is governed by an MIT
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
// This file is contains the handler for executing Linux shell
|
||||
|
||||
package handlers
|
||||
|
||||
import (
|
||||
"os"
|
||||
"os/exec"
|
||||
|
||||
"github.com/creack/pty"
|
||||
)
|
||||
|
||||
// ShellCommand handles requests for the Apple II executing a Linux shell
|
||||
func ShellCommand() {
|
||||
cmd := exec.Command("bash", "-i")
|
||||
cmd.Env = append(os.Environ(),
|
||||
"TERM=vt100",
|
||||
"LINES=24",
|
||||
"COLUMNS=80",
|
||||
)
|
||||
|
||||
var ws pty.Winsize
|
||||
ws.Cols = 80
|
||||
ws.Rows = 24
|
||||
ws.X = 0
|
||||
ws.Y = 0
|
||||
|
||||
ptmx, _ := pty.StartWithSize(cmd, &ws)
|
||||
defer func() { _ = ptmx.Close() }()
|
||||
|
||||
outputComplete := make(chan bool)
|
||||
inputComplete := make(chan bool)
|
||||
userCancelled := make(chan bool)
|
||||
|
||||
go getStdin(ptmx, outputComplete, inputComplete, userCancelled)
|
||||
go getStdout(ptmx, outputComplete, userCancelled)
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-outputComplete:
|
||||
outputComplete <- true
|
||||
cmd.Wait()
|
||||
comm.WriteByte(0)
|
||||
return
|
||||
case <-userCancelled:
|
||||
userCancelled <- true
|
||||
comm.WriteString("^C\r")
|
||||
cmd.Process.Kill()
|
||||
return
|
||||
case <-inputComplete:
|
||||
cmd.Wait()
|
||||
comm.WriteByte(0)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user