diff --git a/Apple2/Shell.asm b/Apple2/Shell.asm index 7e7f678..89c6828 100755 --- a/Apple2/Shell.asm +++ b/Apple2/Shell.asm @@ -95,6 +95,8 @@ Start: lda #ShellCommand jsr SendByte jsr DumpOutput + lda #ResetCommand + jsr SendByte pla sta LastChar rts diff --git a/Apple2/Shell.bin b/Apple2/Shell.bin index 6d9daf3..49345aa 100644 Binary files a/Apple2/Shell.bin and b/Apple2/Shell.bin differ diff --git a/Apple2/Shell.lst b/Apple2/Shell.lst index b95e878..6bd560f 100644 --- a/Apple2/Shell.lst +++ b/Apple2/Shell.lst @@ -95,170 +95,172 @@ Current file: Shell.asm 002038 1 48 pha 002039 1 2C 10 C0 bit ClearKeyboard 00203C 1 A9 00 lda #ResetCommand -00203E 1 20 D2 20 jsr SendByte +00203E 1 20 D7 20 jsr SendByte 002041 1 A9 09 lda #ShellCommand -002043 1 20 D2 20 jsr SendByte -002046 1 20 4D 20 jsr DumpOutput -002049 1 68 pla -00204A 1 85 06 sta LastChar -00204C 1 60 rts -00204D 1 -00204D 1 DumpOutput: -00204D 1 20 F0 20 jsr GetByte -002050 1 B0 2A bcs checkInput -002052 1 C9 00 cmp #$00 -002054 1 F0 39 beq endOutput -002056 1 48 pha -002057 1 20 4F 21 jsr ClearCursor -00205A 1 68 pla -00205B 1 C9 48 cmp #'H' -00205D 1 F0 3A beq setColumn -00205F 1 C9 56 cmp #'V' -002061 1 F0 44 beq setRow -002063 1 C9 43 cmp #'C' -002065 1 F0 29 beq clearScreen -002067 1 C9 54 cmp #'T' -002069 1 F0 4A beq setTop -00206B 1 C9 42 cmp #'B' -00206D 1 F0 4E beq setBottom -00206F 1 C9 55 cmp #'U' -002071 1 F0 52 beq moveUp -002073 1 20 ED FD jsr PrintChar -002076 1 20 1E 21 jsr SetCursor -002079 1 4C 4D 20 jmp DumpOutput -00207C 1 checkInput: -00207C 1 2C 00 C0 bit Keyboard ;check for keypress -00207F 1 10 CC bpl DumpOutput ;keep dumping output if no keypress -002081 1 AD 00 C0 lda Keyboard ;send keypress to RPi -002084 1 29 7F and #$7f -002086 1 20 D2 20 jsr SendByte -002089 1 2C 10 C0 bit ClearKeyboard -00208C 1 4C 4D 20 jmp DumpOutput -00208F 1 endOutput: -00208F 1 60 rts -002090 1 clearScreen: -002090 1 20 58 FC jsr Home -002093 1 20 1E 21 jsr SetCursor -002096 1 4C 4D 20 jmp DumpOutput -002099 1 setColumn: -002099 1 20 F0 20 jsr GetByte -00209C 1 85 24 sta htab -00209E 1 8D 7B 05 sta htab80 -0020A1 1 20 1E 21 jsr SetCursor -0020A4 1 4C 4D 20 jmp DumpOutput -0020A7 1 setRow: -0020A7 1 20 F0 20 jsr GetByte -0020AA 1 85 25 sta vtab -0020AC 1 20 C1 FB jsr BasCalc -0020AF 1 20 1E 21 jsr SetCursor -0020B2 1 4C 4D 20 jmp DumpOutput -0020B5 1 setTop: -0020B5 1 20 F0 20 jsr GetByte -0020B8 1 85 22 sta $22 -0020BA 1 4C 4D 20 jmp DumpOutput -0020BD 1 setBottom: -0020BD 1 20 F0 20 jsr GetByte -0020C0 1 85 23 sta $23 -0020C2 1 4C 4D 20 jmp DumpOutput -0020C5 1 moveUp: -0020C5 1 C6 25 dec vtab -0020C7 1 A5 25 lda vtab -0020C9 1 20 C1 FB jsr BasCalc -0020CC 1 20 1E 21 jsr SetCursor -0020CF 1 4C 4D 20 jmp DumpOutput -0020D2 1 -0020D2 1 SendByte: -0020D2 1 48 pha -0020D3 1 waitWrite: -0020D3 1 BD 8B C0 lda InputFlags,x -0020D6 1 2A rol -0020D7 1 2A rol -0020D8 1 B0 F9 bcs waitWrite -0020DA 1 68 pla -0020DB 1 9D 8D C0 sta OutputByte,x -0020DE 1 A9 1E lda #$1e ; set bit 0 low to indicate write started -0020E0 1 9D 87 C0 sta OutputFlags,x -0020E3 1 finishWrite: -0020E3 1 BD 8B C0 lda InputFlags,x -0020E6 1 2A rol -0020E7 1 2A rol -0020E8 1 90 F9 bcc finishWrite -0020EA 1 A9 1F lda #$1f -0020EC 1 9D 87 C0 sta OutputFlags,x -0020EF 1 60 rts -0020F0 1 -0020F0 1 GetByte: -0020F0 1 2C 00 C0 bit Keyboard ; skip byte read if key pressed -0020F3 1 90 10 bcc keyPressed -0020F5 1 A9 1D lda #$1d ;set read flag low -0020F7 1 9D 87 C0 sta OutputFlags,x -0020FA 1 waitRead: -0020FA 1 BD 8B C0 lda InputFlags,x -0020FD 1 2A rol -0020FE 1 90 0C bcc readByte -002100 1 2C 00 C0 bit Keyboard ;keypress will abort waiting to read -002103 1 10 F5 bpl waitRead -002105 1 keyPressed: -002105 1 A9 1F lda #$1f ;set all flags high and exit -002107 1 9D 87 C0 sta OutputFlags,x -00210A 1 38 sec ;failure -00210B 1 60 rts -00210C 1 readByte: -00210C 1 BD 8E C0 lda InputByte,x -00210F 1 48 pha -002110 1 A9 1F lda #$1f ;set all flags high -002112 1 9D 87 C0 sta OutputFlags,x -002115 1 finishRead: -002115 1 BD 8B C0 lda InputFlags,x -002118 1 2A rol -002119 1 90 FA bcc finishRead -00211B 1 68 pla -00211C 1 18 clc ;success -00211D 1 end: -00211D 1 60 rts -00211E 1 -00211E 1 SetCursor: -00211E 1 AD 7B 05 lda htab80 ;get horizontal location / 2 -002121 1 4A lsr -002122 1 A8 tay -002123 1 AD 55 C0 lda TextPage2 -002126 1 90 03 bcc setChar -002128 1 AD 54 C0 lda TextPage1 -00212B 1 setChar: -00212B 1 B1 28 lda (BasL),y -00212D 1 85 06 sta LastChar ; save so ClearCursor will pick it up -00212F 1 C9 E0 cmp #$e0 -002131 1 10 0C bpl lowerCase -002133 1 C9 C0 cmp #$c0 -002135 1 10 0D bpl upperCase -002137 1 C9 A0 cmp #$a0 -002139 1 10 04 bpl symbol -00213B 1 C9 80 cmp #$80 -00213D 1 10 0A bpl noop -00213F 1 symbol: -00213F 1 lowerCase: -00213F 1 invert: -00213F 1 49 80 eor #$80 -002141 1 4C 49 21 jmp storeChar -002144 1 upperCase: -002144 1 29 1F and #$1f -002146 1 4C 49 21 jmp storeChar -002149 1 noop: -002149 1 storeChar: -002149 1 91 28 sta (BasL),y -00214B 1 AD 54 C0 lda TextPage1 -00214E 1 60 rts -00214F 1 -00214F 1 ClearCursor: -00214F 1 AD 7B 05 lda htab80 ;get horizontal location / 2 -002152 1 4A lsr -002153 1 A8 tay -002154 1 AD 55 C0 lda TextPage2 -002157 1 90 03 bcc restoreChar -002159 1 AD 54 C0 lda TextPage1 -00215C 1 restoreChar: -00215C 1 A5 06 lda LastChar -00215E 1 91 28 sta (BasL),y -002160 1 AD 54 C0 lda TextPage1 -002163 1 60 rts -002163 1 +002043 1 20 D7 20 jsr SendByte +002046 1 20 52 20 jsr DumpOutput +002049 1 A9 00 lda #ResetCommand +00204B 1 20 D7 20 jsr SendByte +00204E 1 68 pla +00204F 1 85 06 sta LastChar +002051 1 60 rts +002052 1 +002052 1 DumpOutput: +002052 1 20 F5 20 jsr GetByte +002055 1 B0 2A bcs checkInput +002057 1 C9 00 cmp #$00 +002059 1 F0 39 beq endOutput +00205B 1 48 pha +00205C 1 20 54 21 jsr ClearCursor +00205F 1 68 pla +002060 1 C9 48 cmp #'H' +002062 1 F0 3A beq setColumn +002064 1 C9 56 cmp #'V' +002066 1 F0 44 beq setRow +002068 1 C9 43 cmp #'C' +00206A 1 F0 29 beq clearScreen +00206C 1 C9 54 cmp #'T' +00206E 1 F0 4A beq setTop +002070 1 C9 42 cmp #'B' +002072 1 F0 4E beq setBottom +002074 1 C9 55 cmp #'U' +002076 1 F0 52 beq moveUp +002078 1 20 ED FD jsr PrintChar +00207B 1 20 23 21 jsr SetCursor +00207E 1 4C 52 20 jmp DumpOutput +002081 1 checkInput: +002081 1 2C 00 C0 bit Keyboard ;check for keypress +002084 1 10 CC bpl DumpOutput ;keep dumping output if no keypress +002086 1 AD 00 C0 lda Keyboard ;send keypress to RPi +002089 1 29 7F and #$7f +00208B 1 20 D7 20 jsr SendByte +00208E 1 2C 10 C0 bit ClearKeyboard +002091 1 4C 52 20 jmp DumpOutput +002094 1 endOutput: +002094 1 60 rts +002095 1 clearScreen: +002095 1 20 58 FC jsr Home +002098 1 20 23 21 jsr SetCursor +00209B 1 4C 52 20 jmp DumpOutput +00209E 1 setColumn: +00209E 1 20 F5 20 jsr GetByte +0020A1 1 85 24 sta htab +0020A3 1 8D 7B 05 sta htab80 +0020A6 1 20 23 21 jsr SetCursor +0020A9 1 4C 52 20 jmp DumpOutput +0020AC 1 setRow: +0020AC 1 20 F5 20 jsr GetByte +0020AF 1 85 25 sta vtab +0020B1 1 20 C1 FB jsr BasCalc +0020B4 1 20 23 21 jsr SetCursor +0020B7 1 4C 52 20 jmp DumpOutput +0020BA 1 setTop: +0020BA 1 20 F5 20 jsr GetByte +0020BD 1 85 22 sta $22 +0020BF 1 4C 52 20 jmp DumpOutput +0020C2 1 setBottom: +0020C2 1 20 F5 20 jsr GetByte +0020C5 1 85 23 sta $23 +0020C7 1 4C 52 20 jmp DumpOutput +0020CA 1 moveUp: +0020CA 1 C6 25 dec vtab +0020CC 1 A5 25 lda vtab +0020CE 1 20 C1 FB jsr BasCalc +0020D1 1 20 23 21 jsr SetCursor +0020D4 1 4C 52 20 jmp DumpOutput +0020D7 1 +0020D7 1 SendByte: +0020D7 1 48 pha +0020D8 1 waitWrite: +0020D8 1 BD 8B C0 lda InputFlags,x +0020DB 1 2A rol +0020DC 1 2A rol +0020DD 1 B0 F9 bcs waitWrite +0020DF 1 68 pla +0020E0 1 9D 8D C0 sta OutputByte,x +0020E3 1 A9 1E lda #$1e ; set bit 0 low to indicate write started +0020E5 1 9D 87 C0 sta OutputFlags,x +0020E8 1 finishWrite: +0020E8 1 BD 8B C0 lda InputFlags,x +0020EB 1 2A rol +0020EC 1 2A rol +0020ED 1 90 F9 bcc finishWrite +0020EF 1 A9 1F lda #$1f +0020F1 1 9D 87 C0 sta OutputFlags,x +0020F4 1 60 rts +0020F5 1 +0020F5 1 GetByte: +0020F5 1 2C 00 C0 bit Keyboard ; skip byte read if key pressed +0020F8 1 90 10 bcc keyPressed +0020FA 1 A9 1D lda #$1d ;set read flag low +0020FC 1 9D 87 C0 sta OutputFlags,x +0020FF 1 waitRead: +0020FF 1 BD 8B C0 lda InputFlags,x +002102 1 2A rol +002103 1 90 0C bcc readByte +002105 1 2C 00 C0 bit Keyboard ;keypress will abort waiting to read +002108 1 10 F5 bpl waitRead +00210A 1 keyPressed: +00210A 1 A9 1F lda #$1f ;set all flags high and exit +00210C 1 9D 87 C0 sta OutputFlags,x +00210F 1 38 sec ;failure +002110 1 60 rts +002111 1 readByte: +002111 1 BD 8E C0 lda InputByte,x +002114 1 48 pha +002115 1 A9 1F lda #$1f ;set all flags high +002117 1 9D 87 C0 sta OutputFlags,x +00211A 1 finishRead: +00211A 1 BD 8B C0 lda InputFlags,x +00211D 1 2A rol +00211E 1 90 FA bcc finishRead +002120 1 68 pla +002121 1 18 clc ;success +002122 1 end: +002122 1 60 rts +002123 1 +002123 1 SetCursor: +002123 1 AD 7B 05 lda htab80 ;get horizontal location / 2 +002126 1 4A lsr +002127 1 A8 tay +002128 1 AD 55 C0 lda TextPage2 +00212B 1 90 03 bcc setChar +00212D 1 AD 54 C0 lda TextPage1 +002130 1 setChar: +002130 1 B1 28 lda (BasL),y +002132 1 85 06 sta LastChar ; save so ClearCursor will pick it up +002134 1 C9 E0 cmp #$e0 +002136 1 10 0C bpl lowerCase +002138 1 C9 C0 cmp #$c0 +00213A 1 10 0D bpl upperCase +00213C 1 C9 A0 cmp #$a0 +00213E 1 10 04 bpl symbol +002140 1 C9 80 cmp #$80 +002142 1 10 0A bpl noop +002144 1 symbol: +002144 1 lowerCase: +002144 1 invert: +002144 1 49 80 eor #$80 +002146 1 4C 4E 21 jmp storeChar +002149 1 upperCase: +002149 1 29 1F and #$1f +00214B 1 4C 4E 21 jmp storeChar +00214E 1 noop: +00214E 1 storeChar: +00214E 1 91 28 sta (BasL),y +002150 1 AD 54 C0 lda TextPage1 +002153 1 60 rts +002154 1 +002154 1 ClearCursor: +002154 1 AD 7B 05 lda htab80 ;get horizontal location / 2 +002157 1 4A lsr +002158 1 A8 tay +002159 1 AD 55 C0 lda TextPage2 +00215C 1 90 03 bcc restoreChar +00215E 1 AD 54 C0 lda TextPage1 +002161 1 restoreChar: +002161 1 A5 06 lda LastChar +002163 1 91 28 sta (BasL),y +002165 1 AD 54 C0 lda TextPage1 +002168 1 60 rts +002168 1 diff --git a/RaspberryPi/Apple2-IO-RPi.hdv b/RaspberryPi/Apple2-IO-RPi.hdv index dbadc3b..65c8c3a 100755 Binary files a/RaspberryPi/Apple2-IO-RPi.hdv and b/RaspberryPi/Apple2-IO-RPi.hdv differ diff --git a/RaspberryPi/apple2driver/handlers/shell.go b/RaspberryPi/apple2driver/handlers/shell.go index 882eabb..97c3d77 100755 --- a/RaspberryPi/apple2driver/handlers/shell.go +++ b/RaspberryPi/apple2driver/handlers/shell.go @@ -75,8 +75,7 @@ func ptyOut(stdout io.ReadCloser, outputComplete chan bool, userCancelled chan b outputComplete <- true fmt.Printf("stdout closed\n") return - } - if n > 0 { + } else if n > 0 { b := bb[0] comm.SendCharacter(b) }