diff --git a/.gitignore b/.gitignore
index 390a0a0..ece671c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,19 @@
 *-bak
 *.o
 *.DS_Store
+*.bin
+*.lst
 RaspberryPi/apple2driver/apple2driver
 RaspberryPi/Apple2-IO-RPi.log
 RaspberryPiPico/build/
 Hardware/Apple2IORPi-backups/
+RaspberryPiPico/Apple2-IO-RPi.*
+RaspberryPiPico/CMakeCache.txt
+RaspberryPiPico/CMakeFiles/
+RaspberryPiPico/Makefile
+RaspberryPiPico/_deps/
+RaspberryPiPico/cmake_install.cmake
+RaspberryPiPico/elf2uf2/
+RaspberryPiPico/generated/
+RaspberryPiPico/pico-sdk/
+RaspberryPiPico/pioasm/
diff --git a/Apple2/CommandFirmware.lst b/Apple2/CommandFirmware.lst
deleted file mode 100644
index 4c3767f..0000000
--- a/Apple2/CommandFirmware.lst
+++ /dev/null
@@ -1,195 +0,0 @@
-ca65 V2.18 - Debian 2.19-1
-Main file   : CommandFirmware.asm
-Current file: CommandFirmware.asm
-
-000000r 1               ; Copyright Terence J. Boldt (c)2020-2024
-000000r 1               ; Use of this source code is governed by an MIT
-000000r 1               ; license that can be found in the LICENSE file.
-000000r 1               
-000000r 1               ; This file contains the source for the firmware
-000000r 1               ; that was formerly used to act as a pseudo-shell
-000000r 1               
-000000r 1               ;ProDOS Zero Page
-000000r 1               Command = $42 ;ProDOS Command
-000000r 1               Unit = $43 ;ProDOS unit (SDDD0000)
-000000r 1               BufferLo = $44
-000000r 1               BufferHi = $45
-000000r 1               BlockLo = $46
-000000r 1               BlockHi = $47
-000000r 1               
-000000r 1               ; ProDOS Error Codes
-000000r 1               IOError = $27
-000000r 1               NoDevice = $28
-000000r 1               WriteProtect = $2B
-000000r 1               
-000000r 1               InputByte = $c08e+SLOT*$10
-000000r 1               OutputByte = $c08d+SLOT*$10
-000000r 1               InputFlags = $c08b+SLOT*$10
-000000r 1               OutputFlags = $c087+SLOT*$10
-000000r 1               
-000000r 1               ReadBlockCommand = $01
-000000r 1               WriteBlockCommand = $02
-000000r 1               GetTimeCommand = $03
-000000r 1               ChangeDriveCommand = $04
-000000r 1               ExecCommand = $05
-000000r 1               LoadFileCommand = $06
-000000r 1               SaveFileCommand = $07
-000000r 1               MenuCommand = $08
-000000r 1               
-000000r 1               InputString = $fd67
-000000r 1               PrintChar = $fded
-000000r 1               Keyboard = $c000
-000000r 1               ClearKeyboard = $c010
-000000r 1               Wait = $fca8
-000000r 1               
-000000r 1                .org SLOT*$100 + $C000
-00C700  1               ;ID bytes for booting and drive detection
-00C700  1  E0 20         cpx #$20    ;ID bytes for ProDOS and the
-00C702  1  E0 00         cpx #$00    ; Apple Autostart ROM
-00C704  1  E0 03         cpx #$03    ;
-00C706  1               
-00C706  1  A2 70         ldx #SLOT*$10
-00C708  1  86 2B         stx $2b
-00C70A  1  86 43         stx Unit
-00C70C  1               
-00C70C  1               ;force EPROM to second page on boot
-00C70C  1  A9 3F         lda #$3f ;set all flags high and page 3 of EPROM for menu
-00C70E  1               PageJump:
-00C70E  1  8D F7 C0      sta OutputFlags
-00C711  1  4C 19 C7      jmp Start ;this jump is only called if coming in from PageJump with A=$2f
-00C714  1               
-00C714  1               ;entry points for ProDOS
-00C714  1               DriverEntry:
-00C714  1  A9 0F         lda #$0f ;set all flags high and page 0 of EPROM
-00C716  1  8D F7 C0      sta OutputFlags
-00C719  1               
-00C719  1               Start:
-00C719  1  20 00 C3      jsr $c300 ;enable 80 columns
-00C71C  1  A9 05         lda #$05 ;execute command
-00C71E  1  20 95 C7      jsr SendByte
-00C721  1  A0 00         ldy #$00
-00C723  1               sendHelp:
-00C723  1  B9 8E C7      lda HelpCommand,y
-00C726  1  F0 06         beq endSendHelp
-00C728  1  20 95 C7      jsr SendByte
-00C72B  1  C8            iny
-00C72C  1  D0 F5         bne sendHelp
-00C72E  1               endSendHelp:
-00C72E  1  A9 00         lda #$00
-00C730  1  20 95 C7      jsr SendByte
-00C733  1  20 6B C7      jsr DumpOutput
-00C736  1               
-00C736  1  A5 33         lda $33
-00C738  1  48            pha
-00C739  1  A9 A4         lda #$a4
-00C73B  1  85 33         sta $33
-00C73D  1               GetCommand:
-00C73D  1  20 67 FD      jsr InputString
-00C740  1  AD 00 02      lda $0200
-00C743  1  C9 8D         cmp #$8d ;skip when return found
-00C745  1  F0 F6         beq GetCommand
-00C747  1  20 4D C7      jsr SendCommand
-00C74A  1  18            clc
-00C74B  1  90 F0         bcc GetCommand
-00C74D  1               
-00C74D  1               SendCommand:
-00C74D  1  2C 10 C0      bit ClearKeyboard
-00C750  1  A9 05         lda #$05 ;send command 5 = exec
-00C752  1  20 95 C7      jsr SendByte
-00C755  1  A0 00         ldy #$00
-00C757  1               getInput:
-00C757  1  B9 00 02      lda $0200,y
-00C75A  1  C9 8D         cmp #$8d
-00C75C  1  F0 08         beq sendNullTerminator
-00C75E  1  29 7F         and #$7f
-00C760  1  20 95 C7      jsr SendByte
-00C763  1  C8            iny
-00C764  1  D0 F1         bne getInput
-00C766  1               sendNullTerminator:
-00C766  1  A9 00         lda #$00
-00C768  1  20 95 C7      jsr SendByte
-00C76B  1               DumpOutput:
-00C76B  1  20 AD C7      jsr GetByte
-00C76E  1  B0 07         bcs skipOutput
-00C770  1  C9 00         cmp #$00
-00C772  1  F0 19         beq endOutput
-00C774  1  20 ED FD      jsr PrintChar
-00C777  1               skipOutput:
-00C777  1  2C 00 C0      bit Keyboard ;check for keypress
-00C77A  1  10 EF         bpl DumpOutput ;keep dumping output if no keypress
-00C77C  1  AD 00 C0      lda Keyboard ;send keypress to RPi
-00C77F  1  20 ED FD      jsr PrintChar
-00C782  1  29 7F         and #$7f
-00C784  1  20 95 C7      jsr SendByte
-00C787  1  2C 10 C0      bit ClearKeyboard
-00C78A  1  18            clc
-00C78B  1  90 DE         bcc DumpOutput
-00C78D  1               endOutput:
-00C78D  1  60            rts
-00C78E  1               
-00C78E  1               HelpCommand:
-00C78E  1  61 32 68 65   .byte "a2help",$00
-00C792  1  6C 70 00     
-00C795  1               
-00C795  1               SendByte:
-00C795  1  2C FB C0      bit InputFlags
-00C798  1  70 FB         bvs SendByte
-00C79A  1  8D FD C0      sta OutputByte
-00C79D  1               .if HW_TYPE = 0
-00C79D  1  A9 1E         lda #$1e ; set bit 0 low to indicate write started
-00C79F  1  8D F7 C0      sta OutputFlags
-00C7A2  1               finishWrite:
-00C7A2  1  2C FB C0      bit InputFlags
-00C7A5  1  50 FB         bvc finishWrite
-00C7A7  1  A9 1F         lda #$1f
-00C7A9  1  8D F7 C0      sta OutputFlags
-00C7AC  1               .endif
-00C7AC  1  60            rts
-00C7AD  1               
-00C7AD  1               GetByte:
-00C7AD  1               .if HW_TYPE = 0
-00C7AD  1  A2 1D         ldx #$1d ;set read flag low
-00C7AF  1  8E F7 C0      stx OutputFlags
-00C7B2  1               .endif
-00C7B2  1               waitRead:
-00C7B2  1  2C FB C0      bit InputFlags
-00C7B5  1  10 0C         bpl readByte
-00C7B7  1  2C 00 C0      bit Keyboard ;keypress will abort waiting to read
-00C7BA  1  10 F6         bpl waitRead
-00C7BC  1               .if HW_TYPE = 0
-00C7BC  1  A9 1F         lda #$1f ;set all flags high and exit
-00C7BE  1  8D F7 C0      sta OutputFlags
-00C7C1  1               .endif
-00C7C1  1  38            sec ;failure
-00C7C2  1  60            rts
-00C7C3  1               readByte:
-00C7C3  1  AD FE C0      lda InputByte
-00C7C6  1               .if HW_TYPE = 0
-00C7C6  1  A2 1F         ldx #$1f ;set all flags high
-00C7C8  1  8E F7 C0      stx OutputFlags
-00C7CB  1               finishRead:
-00C7CB  1  2C FB C0      bit InputFlags
-00C7CE  1  10 FB         bpl finishRead
-00C7D0  1               .endif
-00C7D0  1  18            clc ;success
-00C7D1  1               end:
-00C7D1  1  60            rts
-00C7D2  1               
-00C7D2  1  00 00 00 00  .repeat	251-<end
-00C7D6  1  00 00 00 00  
-00C7DA  1  00 00 00 00  
-00C7DE  1  00 00 00 00  
-00C7E2  1  00 00 00 00  
-00C7E6  1  00 00 00 00  
-00C7EA  1  00 00 00 00  
-00C7EE  1  00 00 00 00  
-00C7F2  1  00 00 00 00  
-00C7F6  1  00 00 00 00  
-00C7FA  1  00 00        
-00C7FC  1               .byte 0
-00C7FC  1               .endrepeat
-00C7FC  1               
-00C7FC  1  00 00        .byte      0,0     ;0000 blocks = check status
-00C7FE  1  07           .byte      7       ;bit set(0=status 1=read 2=write) unset(3=format, 4/5=number of volumes, 6=interruptable, 7=removable)
-00C7FF  1  14           .byte     DriverEntry&$00FF ;low byte of entry
-00C7FF  1               
diff --git a/Apple2/DriveFirmware.lst b/Apple2/DriveFirmware.lst
deleted file mode 100644
index c8776aa..0000000
--- a/Apple2/DriveFirmware.lst
+++ /dev/null
@@ -1,213 +0,0 @@
-ca65 V2.18 - Debian 2.19-1
-Main file   : DriveFirmware.asm
-Current file: DriveFirmware.asm
-
-000000r 1               ; Copyright Terence J. Boldt (c)2020-2024
-000000r 1               ; Use of this source code is governed by an MIT
-000000r 1               ; license that can be found in the LICENSE file.
-000000r 1               
-000000r 1               ; This file contains the source for the firmware
-000000r 1               ; that allows the Apple II to boot from the card
-000000r 1               ; and for ProDOS to recognize the card as two
-000000r 1               ; hard drivers
-000000r 1               
-000000r 1               ;ProDOS Zero Page
-000000r 1               Command = $42 ;ProDOS Command
-000000r 1               Unit = $43 ;ProDOS unit (SDDD0000)
-000000r 1               BufferLo = $44
-000000r 1               BufferHi = $45
-000000r 1               BlockLo = $46
-000000r 1               BlockHi = $47
-000000r 1               
-000000r 1               ; ProDOS Error Codes
-000000r 1               IOError = $27
-000000r 1               NoDevice = $28
-000000r 1               WriteProtect = $2B
-000000r 1               
-000000r 1               InputByte = $c08e+SLOT*$10
-000000r 1               OutputByte = $c08d+SLOT*$10
-000000r 1               InputFlags = $c08b+SLOT*$10
-000000r 1               OutputFlags = $c087+SLOT*$10
-000000r 1               
-000000r 1               ReadBlockCommand = $01
-000000r 1               WriteBlockCommand = $02
-000000r 1               GetTimeCommand = $03
-000000r 1               ChangeDriveCommand = $04
-000000r 1               ExecCommand = $05
-000000r 1               LoadFileCommand = $06
-000000r 1               SaveFileCommand = $07
-000000r 1               MenuCommand = $08
-000000r 1               
-000000r 1                .org SLOT*$100 + $C000
-00C700  1               ;ID bytes for booting and drive detection
-00C700  1  E0 20         cpx #$20    ;ID bytes for ProDOS and the
-00C702  1  E0 00         cpx #$00    ; Apple Autostart ROM
-00C704  1  E0 03         cpx #$03    ;
-00C706  1               
-00C706  1  A2 70         ldx #SLOT*$10
-00C708  1  86 2B         stx $2b
-00C70A  1  86 43         stx Unit
-00C70C  1               
-00C70C  1               ;force EPROM to second page on boot
-00C70C  1  A9 3F         lda #$3f ;set all flags high and page 3 of EPROM for menu
-00C70E  1               PageJump:
-00C70E  1  8D F7 C0      sta OutputFlags
-00C711  1  4C 1C C7      jmp Start ;this jump is only called if coming in from PageJump with A=$0f
-00C714  1               
-00C714  1               ;entry points for ProDOS
-00C714  1               DriverEntry:
-00C714  1  A9 0F         lda #$0f ;set all flags high and page 0 of EPROM
-00C716  1  8D F7 C0      sta OutputFlags
-00C719  1  4C 32 C7      jmp Driver
-00C71C  1               
-00C71C  1               ;load first two blocks and execute to boot
-00C71C  1               Start:
-00C71C  1  A9 01         lda     #$01    ;set read command
-00C71E  1  85 42         sta     Command
-00C720  1               
-00C720  1  A9 00         lda     #$00    ;block 0
-00C722  1  85 46         sta     BlockLo
-00C724  1  85 47         sta     BlockHi
-00C726  1  85 44         sta     BufferLo   ;buffer at $800
-00C728  1  A9 08         lda     #$08
-00C72A  1  85 45         sta     BufferHi
-00C72C  1  20 32 C7      jsr     Driver  ;get the block
-00C72F  1               
-00C72F  1  4C 01 08      jmp     $801    ;execute the block
-00C732  1               
-00C732  1               ; ProDOS Driver code
-00C732  1               ; First check that this is the right drive
-00C732  1               Driver:
-00C732  1  A6 43         ldx Unit
-00C734  1  A5 42         lda Command; Check which command is being requested
-00C736  1  F0 0C         beq GetStatus ;0 = Status command
-00C738  1  C9 01         cmp #ReadBlockCommand
-00C73A  1  F0 10         beq ReadBlockAndSetTime
-00C73C  1  C9 02         cmp #WriteBlockCommand
-00C73E  1  F0 54         beq WriteBlock
-00C740  1  38            sec ;set carry as we don't support any other commands
-00C741  1  A9 53         lda #$53 ;Invalid parameter error
-00C743  1  60            rts
-00C744  1               
-00C744  1               ; ProDOS Status Command Handler
-00C744  1               GetStatus:
-00C744  1  A2 FF         ldx #$ff ;low byte number of blocks
-00C746  1  A0 FF         ldy #$ff ;high byte number of blocks
-00C748  1  A9 00         lda #$0 ;zero accumulator and clear carry for success
-00C74A  1  18            clc
-00C74B  1  60            rts
-00C74C  1               
-00C74C  1               ; ProDOS Read Block Command
-00C74C  1               ReadBlockAndSetTime:
-00C74C  1  A5 47         lda BlockHi ; only get the time if block 0002
-00C74E  1  D0 18         bne readBlock
-00C750  1  A5 46         lda BlockLo
-00C752  1  C9 02         cmp #$02
-00C754  1  D0 12         bne readBlock
-00C756  1  A0 00         ldy #$00 ;Get the current time on each block read for now
-00C758  1  A9 03         lda #GetTimeCommand
-00C75A  1  20 C0 C7      jsr SendByte
-00C75D  1               getTimeByte:
-00C75D  1  20 D8 C7      jsr GetByte
-00C760  1  99 90 BF      sta $bf90,y
-00C763  1  C8            iny
-00C764  1  C0 04         cpy #$04
-00C766  1  D0 F5         bne getTimeByte
-00C768  1               readBlock:
-00C768  1  A9 01         lda #ReadBlockCommand ;read the block after setting the clock
-00C76A  1  20 C0 C7      jsr SendByte
-00C76D  1  A5 46         lda BlockLo
-00C76F  1  20 C0 C7      jsr SendByte
-00C772  1  A5 47         lda BlockHi
-00C774  1  20 C0 C7      jsr SendByte
-00C777  1  8A            txa
-00C778  1  20 C0 C7      jsr SendByte
-00C77B  1  A0 00         ldy #$0
-00C77D  1  20 8B C7      jsr read256
-00C780  1  E6 45         inc BufferHi
-00C782  1  20 8B C7      jsr read256
-00C785  1  C6 45         dec BufferHi
-00C787  1  A9 00         lda #$0 ;zero accumulator and clear carry for success
-00C789  1  18            clc
-00C78A  1  60            rts
-00C78B  1               
-00C78B  1               read256:
-00C78B  1  20 D8 C7      jsr GetByte
-00C78E  1  91 44         sta (BufferLo),y
-00C790  1  C8            iny
-00C791  1  D0 F8         bne read256
-00C793  1  60            rts
-00C794  1               
-00C794  1               ; ProDOS Write Block Command
-00C794  1               WriteBlock:
-00C794  1  A9 02         lda #WriteBlockCommand
-00C796  1  20 C0 C7      jsr SendByte
-00C799  1  A5 46         lda BlockLo
-00C79B  1  20 C0 C7      jsr SendByte
-00C79E  1  A5 47         lda BlockHi
-00C7A0  1  20 C0 C7      jsr SendByte
-00C7A3  1  8A            txa
-00C7A4  1  20 C0 C7      jsr SendByte
-00C7A7  1  A0 00         ldy #$0
-00C7A9  1  20 B7 C7      jsr write256
-00C7AC  1  E6 45         inc BufferHi
-00C7AE  1  20 B7 C7      jsr write256
-00C7B1  1  C6 45         dec BufferHi
-00C7B3  1  A9 00         lda #$0 ;zero accumulator and clear carry for success
-00C7B5  1  18            clc
-00C7B6  1  60            rts
-00C7B7  1               
-00C7B7  1               write256:
-00C7B7  1  B1 44         lda (BufferLo),y
-00C7B9  1  20 C0 C7      jsr SendByte
-00C7BC  1  C8            iny
-00C7BD  1  D0 F8         bne write256
-00C7BF  1  60            rts
-00C7C0  1               
-00C7C0  1               SendByte:
-00C7C0  1  2C FB C0      bit InputFlags
-00C7C3  1  70 FB         bvs SendByte
-00C7C5  1  8D FD C0      sta OutputByte
-00C7C8  1               .if HW_TYPE = 0
-00C7C8  1  A9 0E         lda #$0e ; set bit 0 low to indicate write started
-00C7CA  1  8D F7 C0      sta OutputFlags
-00C7CD  1               finishWrite:
-00C7CD  1  2C FB C0      bit InputFlags
-00C7D0  1  50 FB         bvc finishWrite
-00C7D2  1  A9 0F         lda #$0f
-00C7D4  1  8D F7 C0      sta OutputFlags
-00C7D7  1               .endif
-00C7D7  1  60            rts
-00C7D8  1               
-00C7D8  1               GetByte:
-00C7D8  1               .if HW_TYPE = 0
-00C7D8  1  A9 0D         lda #$0d ;set read flag low
-00C7DA  1  8D F7 C0      sta OutputFlags
-00C7DD  1               .endif
-00C7DD  1               waitRead:
-00C7DD  1  2C FB C0      bit InputFlags
-00C7E0  1  30 FB         bmi waitRead
-00C7E2  1  AD FE C0      lda InputByte
-00C7E5  1               .if HW_TYPE = 0
-00C7E5  1  48            pha
-00C7E6  1  A9 0F         lda #$0f ;set all flags high
-00C7E8  1  8D F7 C0      sta OutputFlags
-00C7EB  1               finishRead:
-00C7EB  1  2C FB C0      bit InputFlags
-00C7EE  1  10 FB         bpl finishRead
-00C7F0  1  68            pla
-00C7F1  1               .endif
-00C7F1  1               end:
-00C7F1  1  60            rts
-00C7F2  1               
-00C7F2  1  00 00 00 00  .repeat	251-<end
-00C7F6  1  00 00 00 00  
-00C7FA  1  00 00        
-00C7FC  1               .byte 0
-00C7FC  1               .endrepeat
-00C7FC  1               
-00C7FC  1  00 00        .byte      0,0     ;0000 blocks = check status
-00C7FE  1  17           .byte      23       ;bit set(0=status 1=read 2=write) unset(3=format, 4/5=number of volumes, 6=interruptable, 7=removable)
-00C7FF  1  14           .byte     DriverEntry&$00FF ;low byte of entry
-00C800  1               
-00C800  1               
diff --git a/Apple2/FileAccessFirmware.lst b/Apple2/FileAccessFirmware.lst
deleted file mode 100644
index d73ade2..0000000
--- a/Apple2/FileAccessFirmware.lst
+++ /dev/null
@@ -1,183 +0,0 @@
-ca65 V2.18 - Debian 2.19-1
-Main file   : FileAccessFirmware.asm
-Current file: FileAccessFirmware.asm
-
-000000r 1               ; Copyright Terence J. Boldt (c)2020-2024
-000000r 1               ; Use of this source code is governed by an MIT
-000000r 1               ; license that can be found in the LICENSE file.
-000000r 1               
-000000r 1               ; This file contains the source for the firmware
-000000r 1               ; that was formerly used to copy files from RPi
-000000r 1               ; to Apple II RAM
-000000r 1               
-000000r 1               ;ProDOS Zero Page
-000000r 1               Command = $42 ;ProDOS Command
-000000r 1               Unit = $43 ;ProDOS unit (SDDD0000)
-000000r 1               BufferLo = $44
-000000r 1               BufferHi = $45
-000000r 1               BlockLo = $46
-000000r 1               BlockHi = $47
-000000r 1               
-000000r 1               ; ProDOS Error Codes
-000000r 1               IOError = $27
-000000r 1               NoDevice = $28
-000000r 1               WriteProtect = $2B
-000000r 1               
-000000r 1               InputByte = $c08e+SLOT*$10
-000000r 1               OutputByte = $c08d+SLOT*$10
-000000r 1               InputFlags = $c08b+SLOT*$10
-000000r 1               OutputFlags = $c087+SLOT*$10
-000000r 1               
-000000r 1               ReadBlockCommand = $01
-000000r 1               WriteBlockCommand = $02
-000000r 1               GetTimeCommand = $03
-000000r 1               ChangeDriveCommand = $04
-000000r 1               ExecCommand = $05
-000000r 1               LoadFileCommand = $06
-000000r 1               SaveFileCommand = $07
-000000r 1               MenuCommand = $08
-000000r 1               
-000000r 1               InputString = $fd67
-000000r 1               Monitor = $ff59
-000000r 1               
-000000r 1                .org SLOT*$100 + $C000
-00C700  1               ;ID bytes for booting and drive detection
-00C700  1  E0 20         cpx #$20    ;ID bytes for ProDOS and the
-00C702  1  E0 00         cpx #$00    ; Apple Autostart ROM
-00C704  1  E0 03         cpx #$03    ;
-00C706  1               
-00C706  1  A2 70         ldx #SLOT*$10
-00C708  1  86 2B         stx $2b
-00C70A  1  86 43         stx Unit
-00C70C  1               
-00C70C  1               ;force EPROM to second page on boot
-00C70C  1  A9 3F         lda #$3f ;set all flags high and page 3 of EPROM for menu
-00C70E  1               PageJump:
-00C70E  1  8D F7 C0      sta OutputFlags
-00C711  1  4C 19 C7      jmp Start ;this jump is only called if coming in from PageJump with A=$2f
-00C714  1               
-00C714  1               ;entry points for ProDOS
-00C714  1               DriverEntry:
-00C714  1  A9 0F         lda #$0f ;set all flags high and page 0 of EPROM
-00C716  1  8D F7 C0      sta OutputFlags
-00C719  1               
-00C719  1               Start:
-00C719  1  A9 A4         lda #$a4
-00C71B  1  85 33         sta $33
-00C71D  1               
-00C71D  1               GetFilename:
-00C71D  1  20 67 FD      jsr InputString
-00C720  1               
-00C720  1               LoadFile:
-00C720  1  A9 00         lda #$00
-00C722  1  85 44         sta BufferLo
-00C724  1  A9 20         lda #$20
-00C726  1  85 45         sta BufferHi
-00C728  1  A9 06         lda #$06 ; send command 6 = load
-00C72A  1  20 74 C7      jsr SendByte
-00C72D  1  A0 00         ldy #$00
-00C72F  1               sendFilename:
-00C72F  1  B9 00 02      lda $0200,y
-00C732  1  C9 8D         cmp #$8d
-00C734  1  F0 08         beq sendNullTerminator
-00C736  1  29 7F         and #$7f
-00C738  1  20 74 C7      jsr SendByte
-00C73B  1  C8            iny
-00C73C  1  D0 F1         bne sendFilename
-00C73E  1               sendNullTerminator:
-00C73E  1  A9 00         lda #$00
-00C740  1  20 74 C7      jsr SendByte
-00C743  1               
-00C743  1  20 8C C7      jsr GetByte
-00C746  1  85 46         sta BlockLo ; not really a block, just using the memory space
-00C748  1  20 8C C7      jsr GetByte
-00C74B  1  85 47         sta BlockHi
-00C74D  1               NextPage:
-00C74D  1  A5 47         lda BlockHi
-00C74F  1  F0 10         beq ReadFinalPage
-00C751  1  A0 00         ldy #$00
-00C753  1               NextByte:
-00C753  1  20 8C C7      jsr GetByte
-00C756  1  91 44         sta (BufferLo),y
-00C758  1  C8            iny
-00C759  1  D0 F8         bne NextByte
-00C75B  1  E6 45         inc BufferHi
-00C75D  1  C6 47         dec BlockHi
-00C75F  1  D0 EC         bne NextPage
-00C761  1               ReadFinalPage:
-00C761  1  A5 46         lda BlockLo
-00C763  1  F0 0C         beq ExitToMonitor
-00C765  1  A0 00         ldy #$00
-00C767  1               NextByteFinal:
-00C767  1  20 8C C7      jsr GetByte
-00C76A  1  91 44         sta (BufferLo),y
-00C76C  1  C8            iny
-00C76D  1  C4 46         cpy BlockLo
-00C76F  1  D0 F6         bne NextByteFinal
-00C771  1               ExitToMonitor:
-00C771  1  20 59 FF      jsr Monitor
-00C774  1               
-00C774  1               SendByte:
-00C774  1  2C FB C0      bit InputFlags
-00C777  1  70 FB         bvs SendByte
-00C779  1  8D FD C0      sta OutputByte
-00C77C  1               .if HW_TYPE = 0
-00C77C  1  A9 2E         lda #$2e ; set bit 0 low to indicate write started
-00C77E  1  8D F7 C0      sta OutputFlags
-00C781  1               finishWrite:
-00C781  1  2C FB C0      bit InputFlags
-00C784  1  50 FB         bvc finishWrite
-00C786  1  A9 2F         lda #$2f
-00C788  1  8D F7 C0      sta OutputFlags
-00C78B  1               .endif
-00C78B  1  60            rts
-00C78C  1               
-00C78C  1               GetByte:
-00C78C  1               .if HW_TYPE = 0
-00C78C  1  A2 2D         ldx #$2d ;set read flag low
-00C78E  1  8E F7 C0      stx OutputFlags
-00C791  1               .endif
-00C791  1               waitRead:
-00C791  1  2C FB C0      bit InputFlags
-00C794  1  30 FB         bmi waitRead
-00C796  1  AD FE C0      lda InputByte
-00C799  1               .if HW_TYPE = 0
-00C799  1  A2 2F         ldx #$2f ;set all flags high
-00C79B  1  8E F7 C0      stx OutputFlags
-00C79E  1               finishRead:
-00C79E  1  2C FB C0      bit InputFlags
-00C7A1  1  10 FB         bpl finishRead
-00C7A3  1               .endif
-00C7A3  1               end:
-00C7A3  1  60            rts
-00C7A4  1               
-00C7A4  1  00 00 00 00  .repeat	251-<end
-00C7A8  1  00 00 00 00  
-00C7AC  1  00 00 00 00  
-00C7B0  1  00 00 00 00  
-00C7B4  1  00 00 00 00  
-00C7B8  1  00 00 00 00  
-00C7BC  1  00 00 00 00  
-00C7C0  1  00 00 00 00  
-00C7C4  1  00 00 00 00  
-00C7C8  1  00 00 00 00  
-00C7CC  1  00 00 00 00  
-00C7D0  1  00 00 00 00  
-00C7D4  1  00 00 00 00  
-00C7D8  1  00 00 00 00  
-00C7DC  1  00 00 00 00  
-00C7E0  1  00 00 00 00  
-00C7E4  1  00 00 00 00  
-00C7E8  1  00 00 00 00  
-00C7EC  1  00 00 00 00  
-00C7F0  1  00 00 00 00  
-00C7F4  1  00 00 00 00  
-00C7F8  1  00 00 00 00  
-00C7FC  1               .byte 0
-00C7FC  1               .endrepeat
-00C7FC  1               
-00C7FC  1  00 00        .byte      0,0     ;0000 blocks = check status
-00C7FE  1  07           .byte      7       ;bit set(0=status 1=read 2=write) unset(3=format, 4/5=number of volumes, 6=interruptable, 7=removable)
-00C7FF  1  14           .byte     DriverEntry&$00FF ;low byte of entry
-00C800  1               
-00C800  1               
diff --git a/Apple2/MenuFirmware.lst b/Apple2/MenuFirmware.lst
deleted file mode 100644
index d55f6f9..0000000
--- a/Apple2/MenuFirmware.lst
+++ /dev/null
@@ -1,231 +0,0 @@
-ca65 V2.18 - Debian 2.19-1
-Main file   : MenuFirmware.asm
-Current file: MenuFirmware.asm
-
-000000r 1               ; Copyright Terence J. Boldt (c)2020-2024
-000000r 1               ; Use of this source code is governed by an MIT
-000000r 1               ; license that can be found in the LICENSE file.
-000000r 1               
-000000r 1               ; This file contains the source for the firmware
-000000r 1               ; that displays the copyright message on boot
-000000r 1               ; and checks for the RPi status to be ready before
-000000r 1               ; attempting to boot
-000000r 1               
-000000r 1               ;ProDOS Zero Page
-000000r 1               Command = $42 ;ProDOS Command
-000000r 1               Unit = $43 ;ProDOS unit (SDDD0000)
-000000r 1               BufferLo = $44
-000000r 1               BufferHi = $45
-000000r 1               BlockLo = $46
-000000r 1               BlockHi = $47
-000000r 1               
-000000r 1               ; ProDOS Error Codes
-000000r 1               IOError = $27
-000000r 1               NoDevice = $28
-000000r 1               WriteProtect = $2B
-000000r 1               
-000000r 1               InputByte = $c08e+SLOT*$10
-000000r 1               OutputByte = $c08d+SLOT*$10
-000000r 1               InputFlags = $c08b+SLOT*$10
-000000r 1               OutputFlags = $c087+SLOT*$10
-000000r 1               
-000000r 1               ResetCommand = $00
-000000r 1               ReadBlockCommand = $01
-000000r 1               WriteBlockCommand = $02
-000000r 1               GetTimeCommand = $03
-000000r 1               ChangeDriveCommand = $04
-000000r 1               ExecCommand = $05
-000000r 1               LoadFileCommand = $06
-000000r 1               SaveFileCommand = $07
-000000r 1               MenuCommand = $08
-000000r 1               
-000000r 1               Wait = $fca8
-000000r 1               PrintChar = $fded
-000000r 1               Home = $fc58
-000000r 1               ReadChar = $fd0c
-000000r 1               BasCalc = $fbc1
-000000r 1               htab = $24
-000000r 1               vtab = $25
-000000r 1               BasL = $28
-000000r 1               htab80 = $057b
-000000r 1               
-000000r 1                .org SLOT*$100 + $C000
-00C700  1               ;ID bytes for booting and drive detection
-00C700  1  E0 20         cpx #$20    ;ID bytes for ProDOS and the
-00C702  1  E0 00         cpx #$00    ; Apple Autostart ROM
-00C704  1  E0 03         cpx #$03    ;
-00C706  1               
-00C706  1  A2 70         ldx #SLOT*$10
-00C708  1  86 2B         stx $2b
-00C70A  1  86 43         stx Unit
-00C70C  1               
-00C70C  1               ;force EPROM to second page on boot
-00C70C  1  A9 3F         lda #$3f ;set all flags high and page 1 of EPROMi
-00C70E  1               PageJump:
-00C70E  1  8D F7 C0      sta OutputFlags
-00C711  1  4C 19 C7      jmp Start
-00C714  1               
-00C714  1               ;entry points for ProDOS
-00C714  1               DriverEntry:
-00C714  1  A9 0F         lda #$0f ;set all flags high and page 0 of EPROM
-00C716  1  8D F7 C0      sta OutputFlags
-00C719  1               ;since the firmware page changes to 0, this falls through to the driver
-00C719  1               
-00C719  1               Start:
-00C719  1  A9 F0         lda #$f0	;restore COUT after PR# called
-00C71B  1  85 36         sta $36
-00C71D  1  A9 FD         lda #$fd
-00C71F  1  85 37         sta $37
-00C721  1                ;jsr Home	;clear screen and show menu options
-00C721  1  A9 02         lda #$02
-00C723  1  85 25         sta vtab
-00C725  1  20 C1 FB      jsr BasCalc
-00C728  1  A0 00         ldy #$00
-00C72A  1  84 24         sty htab
-00C72C  1               PrintString:
-00C72C  1  B9 AB C7      lda Text,y
-00C72F  1  F0 08         beq WaitForRPi
-00C731  1  09 80         ora #$80
-00C733  1  20 ED FD      jsr PrintChar
-00C736  1  C8            iny
-00C737  1  D0 F3         bne PrintString
-00C739  1               
-00C739  1               .if HW_TYPE = 0
-00C739  1               
-00C739  1               WaitForRPi:
-00C739  1  2C FB C0      bit InputFlags
-00C73C  1  30 0D         bmi Reset
-00C73E  1  A9 FF         lda #$ff
-00C740  1  20 A8 FC      jsr Wait
-00C743  1  A9 AE         lda #'.'+$80
-00C745  1  20 ED FD      jsr PrintChar
-00C748  1  4C 39 C7      jmp WaitForRPi
-00C74B  1               
-00C74B  1               Reset:
-00C74B  1  A9 DF         lda #'_'|$80
-00C74D  1  20 ED FD      jsr PrintChar
-00C750  1  A9 00         lda #ResetCommand
-00C752  1  20 7B C7      jsr SendByte
-00C755  1  A9 88         lda #$88
-00C757  1  20 ED FD      jsr PrintChar
-00C75A  1  A9 AE         lda #'.'|$80
-00C75C  1  20 ED FD      jsr PrintChar
-00C75F  1  20 93 C7      jsr GetByte
-00C762  1  F0 03         beq Ok
-00C764  1  4C 4B C7      jmp Reset
-00C767  1               
-00C767  1               .else
-00C767  1               
-00C767  1               WaitForRPi:
-00C767  1               @1:
-00C767  1                bit InputFlags
-00C767  1                bmi @2
-00C767  1                lda InputByte
-00C767  1                jmp @1
-00C767  1               @2:
-00C767  1                bit InputFlags
-00C767  1                bpl @4
-00C767  1                bvs @3
-00C767  1                lda #ResetCommand
-00C767  1                sta OutputByte
-00C767  1               @3:
-00C767  1                lda #$ff
-00C767  1                jsr Wait
-00C767  1                lda #'.'+$80
-00C767  1                jsr PrintChar
-00C767  1                jmp @2
-00C767  1               @4:
-00C767  1                lda #$ff
-00C767  1                jsr Wait
-00C767  1               @5:
-00C767  1                bit InputFlags
-00C767  1                bmi Ok
-00C767  1                lda InputByte
-00C767  1                jmp @5
-00C767  1               
-00C767  1               .endif
-00C767  1               
-00C767  1               Ok:
-00C767  1  A9 8D         lda #$8D
-00C769  1  20 ED FD      jsr PrintChar
-00C76C  1  A9 CF         lda #'O'|$80
-00C76E  1  20 ED FD      jsr PrintChar
-00C771  1  A9 CB         lda #'K'|$80
-00C773  1  20 ED FD      jsr PrintChar
-00C776  1               
-00C776  1               Boot:
-00C776  1  A9 0F         lda #$0f
-00C778  1  4C 0E C7      jmp PageJump
-00C77B  1               
-00C77B  1               SendByte:
-00C77B  1  2C FB C0      bit InputFlags
-00C77E  1  70 FB         bvs SendByte
-00C780  1  8D FD C0      sta OutputByte
-00C783  1               .if HW_TYPE = 0
-00C783  1  A9 3E         lda #$3e ; set bit 0 low to indicate write started
-00C785  1  8D F7 C0      sta OutputFlags
-00C788  1               finishWrite:
-00C788  1  2C FB C0      bit InputFlags
-00C78B  1  50 FB         bvc finishWrite
-00C78D  1  A9 3F         lda #$3f
-00C78F  1  8D F7 C0      sta OutputFlags
-00C792  1               .endif
-00C792  1  60            rts
-00C793  1               
-00C793  1               GetByte:
-00C793  1               .if HW_TYPE = 0
-00C793  1  A2 3D         ldx #$3d ;set read flag low
-00C795  1  8E F7 C0      stx OutputFlags
-00C798  1               .endif
-00C798  1               waitRead:
-00C798  1  2C FB C0      bit InputFlags
-00C79B  1  30 FB         bmi waitRead
-00C79D  1  AD FE C0      lda InputByte
-00C7A0  1               .if HW_TYPE = 0
-00C7A0  1  A2 3F         ldx #$3f ;set all flags high
-00C7A2  1  8E F7 C0      stx OutputFlags
-00C7A5  1               finishRead:
-00C7A5  1  2C FB C0      bit InputFlags
-00C7A8  1  10 FB         bpl finishRead
-00C7AA  1               .endif
-00C7AA  1  60            rts
-00C7AB  1               
-00C7AB  1               Text:
-00C7AB  1  41 70 70 6C  .byte	"Apple2-IO-RPi",$8d
-00C7AF  1  65 32 2D 49  
-00C7B3  1  4F 2D 52 50  
-00C7B7  1  69 8D        
-00C7B9  1  28 63 29 32  .byte	"(c)2020-2024 Terence J. Boldt",$8d
-00C7BD  1  30 32 30 2D  
-00C7C1  1  32 30 32 34  
-00C7C5  1  20 54 65 72  
-00C7C9  1  65 6E 63 65  
-00C7CD  1  20 4A 2E 20  
-00C7D1  1  42 6F 6C 64  
-00C7D5  1  74 8D        
-00C7D7  1  8D           .byte   $8d
-00C7D8  1               .if HW_TYPE = 0
-00C7D8  1  57 61 69 74  .byte	"Waiting for RPi FW:0010..."
-00C7DC  1  69 6E 67 20  
-00C7E0  1  66 6F 72 20  
-00C7E4  1  52 50 69 20  
-00C7E8  1  46 57 3A 30  
-00C7EC  1  30 31 30 2E  
-00C7F0  1  2E 2E        
-00C7F2  1               .else
-00C7F2  1               .byte   "Waiting for RPi FW:8010..."
-00C7F2  1               .endif
-00C7F2  1               end:
-00C7F2  1  00           .byte	$00
-00C7F3  1               
-00C7F3  1  00 00 00 00  .repeat	251-<end
-00C7F7  1  00 00 00 00  
-00C7FB  1  00           
-00C7FC  1               .byte 0
-00C7FC  1               .endrepeat
-00C7FC  1               
-00C7FC  1  00 00        .byte      0,0     ;0000 blocks = check status
-00C7FE  1  07           .byte      7       ;bit set(0=status 1=read 2=write) unset(3=format, 4/5=number of volumes, 6=interruptable, 7=removable)
-00C7FF  1  14           .byte     DriverEntry&$00FF ;low byte of entry
-00C800  1               
-00C800  1               
diff --git a/Apple2/RPi.Command.lst b/Apple2/RPi.Command.lst
deleted file mode 100644
index 3d1c498..0000000
--- a/Apple2/RPi.Command.lst
+++ /dev/null
@@ -1,280 +0,0 @@
-ca65 V2.18 - Debian 2.19-1
-Main file   : RPi.Command.asm
-Current file: RPi.Command.asm
-
-000000r 1               ; Copyright Terence J. Boldt (c)2021-2024
-000000r 1               ; Use of this source code is governed by an MIT
-000000r 1               ; license that can be found in the LICENSE file.
-000000r 1               
-000000r 1               ; This file contains the source for the RPI.COMMAND
-000000r 1               ; application that runs on the Apple II and extends
-000000r 1               ; ProDOS BASIC.SYSTEM to add the RPI command which
-000000r 1               ; allows commands to be executed on the Raspberry Pi
-000000r 1               
-000000r 1                           .ORG  $300
-000300  1               INBUF      =  $200     ;GETLN input buffer.
-000300  1               WAIT       =  $FCA8    ;Monitor wait routine.
-000300  1               BELL       =  $FF3A    ;Monitor bell routine.
-000300  1               EXTRNCMD   =  $BE06    ;External cmd JMP vector.
-000300  1               XTRNADDR   =  $BE50    ;Ext cmd implementation addr.
-000300  1               XLEN       =  $BE52    ;length of command string-1.
-000300  1               XCNUM      =  $BE53    ;CI cmd no. (ext cmd - 0).
-000300  1               PBITS      =  $BE54    ;Command parameter bits.
-000300  1               XRETURN    =  $FF58    ;Known RTS instruction.
-000300  1               InputByte = $c08e
-000300  1               OutputByte = $c08d
-000300  1               InputFlags = $c08b
-000300  1               OutputFlags = $c087
-000300  1               
-000300  1               ReadBlockCommand = $01
-000300  1               WriteBlockCommand = $02
-000300  1               GetTimeCommand = $03
-000300  1               ChangeDriveCommand = $04
-000300  1               ExecCommand = $05
-000300  1               LoadFileCommand = $06
-000300  1               SaveFileCommand = $07
-000300  1               MenuCommand = $08
-000300  1               
-000300  1               InputString = $fd67
-000300  1               PrintChar = $fded
-000300  1               Keyboard = $c000
-000300  1               ClearKeyboard = $c010
-000300  1               Wait = $fca8
-000300  1               
-000300  1               LastChar = $06
-000300  1               SlotL = $fe
-000300  1               SlotH = $ff
-000300  1               ESC = $9b
-000300  1               
-000300  1               ;macro for string with high-bit set
-000300  1               .macro aschi str
-000300  1               .repeat .strlen (str), c
-000300  1               .byte .strat (str, c) | $80
-000300  1               .endrep
-000300  1               .endmacro
-000300  1               
-000300  1                .org $2000
-002000  1  A2 07         ldx #$07 ; start at slot 7
-002002  1               DetectSlot:
-002002  1  A0 00         ldy #$00
-002004  1  A9 FC         lda #$fc
-002006  1  85 FE         sta SlotL
-002008  1  8A            txa
-002009  1  09 C0         ora #$c0
-00200B  1  85 FF         sta SlotH
-00200D  1  B1 FE         lda (SlotL),y
-00200F  1  D0 1C         bne nextSlot
-002011  1  C8            iny
-002012  1  B1 FE         lda (SlotL),y
-002014  1  D0 17         bne nextSlot
-002016  1  C8            iny
-002017  1  B1 FE         lda (SlotL),y
-002019  1  C9 17         cmp #$17
-00201B  1  D0 10         bne nextSlot
-00201D  1  C8            iny
-00201E  1  B1 FE         lda (SlotL),y
-002020  1  C9 14         cmp #$14
-002022  1  D0 09         bne nextSlot
-002024  1  8A            txa
-002025  1  0A            asl
-002026  1  0A            asl
-002027  1  0A            asl
-002028  1  0A            asl
-002029  1  AA            tax
-00202A  1  18            clc
-00202B  1  90 04         bcc Start
-00202D  1               nextSlot:
-00202D  1  CA            dex
-00202E  1  D0 D2         bne DetectSlot
-002030  1  60            rts
-002031  1               Start:
-002031  1  8E 31 21      stx slotx + $1e01 ;set the slot for the driver
-002034  1  A0 00          ldy #$00
-002036  1               PrintString:
-002036  1  B9 93 20      lda Text,y
-002039  1  F0 08         beq copyDriver
-00203B  1  09 80         ora #$80
-00203D  1  20 ED FD      jsr PrintChar
-002040  1  C8            iny
-002041  1  D0 F3         bne PrintString
-002043  1               copyDriver:
-002043  1  A0 00         ldy #$00
-002045  1               copyDriverByte:
-002045  1  B9 00 21      lda $2100,y
-002048  1  99 00 03      sta $0300,y
-00204B  1  C8            iny
-00204C  1  C0 E6         cpy #$e6
-00204E  1  D0 F5         bne copyDriverByte
-002050  1                ;
-002050  1                ; FIRST SAVE THE EXTERNAL COMMAND ADDRESS SO YOU WON'T
-002050  1                ; DISCONNECT ANY PREVIOUSLY CONNECTED COMMAND.
-002050  1                ;
-002050  1  AD 07 BE                 LDA  EXTRNCMD+1
-002053  1  8D AD 03                 STA  NXTCMD
-002056  1  AD 08 BE                 LDA  EXTRNCMD+2
-002059  1  8D AE 03                 STA  NXTCMD+1
-00205C  1                ;
-00205C  1  A9 00                    LDA  #<RPI      ;Install the address of our
-00205E  1  8D 07 BE                 STA  EXTRNCMD+1  ; command handler in the
-002061  1  A9 03                    LDA  #>RPI      ; external command JMP
-002063  1  8D 08 BE                 STA  EXTRNCMD+2  ; vector.
-002066  1               
-002066  1  A9 05         lda #ExecCommand
-002068  1  20 6F 03      jsr SendByte
-00206B  1  A0 00         ldy #$00
-00206D  1               nextCommandByte:
-00206D  1  B9 8C 20      lda a2help, y
-002070  1  F0 07         beq finishCommand
-002072  1  20 6F 03      jsr SendByte
-002075  1  C8            iny
-002076  1  4C 6D 20      jmp nextCommandByte
-002079  1               finishCommand:
-002079  1  A9 00         lda #$00
-00207B  1  20 6F 03      jsr SendByte
-00207E  1               showVersion:
-00207E  1  20 8D 03      jsr GetByte
-002081  1  C9 00         cmp #$00
-002083  1  F0 06         beq FinishDriver
-002085  1  20 ED FD      jsr PrintChar
-002088  1  4C 7E 20      jmp showVersion
-00208B  1               FinishDriver:
-00208B  1  60            rts
-00208C  1               
-00208C  1               a2help:
-00208C  1  61 32 68 65   .byte "a2help", $00
-002090  1  6C 70 00     
-002093  1               
-002093  1               Text:
-002093  1  D2 D0 C9 A0   aschi "RPI command version: 000E"
-002097  1  E3 EF ED ED  
-00209B  1  E1 EE E4 A0  
-0020AC  1  8D            .byte $8d
-0020AD  1               end:
-0020AD  1  00            .byte $00
-0020AE  1               
-0020AE  1  00 00 00 00  .repeat	255-<end
-0020B2  1  00 00 00 00  
-0020B6  1  00 00 00 00  
-002100  1               .byte 0
-002100  1               .endrepeat
-002100  1               
-002100  1               .org $0300
-000300  1  A2 00         RPI:       LDX  #0          ;Check for our command.
-000302  1  BD 00 02      NXTCHR:     LDA  INBUF,X     ;Get first character.
-000305  1  09 20                    ora  #$20        ;Make it lower case
-000307  1  DD AA 03                 CMP  CMD,X       ;Does it match?
-00030A  1  D0 29                    BNE  NOTOURS     ;No, back to CI.
-00030C  1  E8                       INX              ;Next character
-00030D  1  E0 03                    CPX  #CMDLEN     ;All characters yet?
-00030F  1  D0 F1                    BNE  NXTCHR      ;No, read next one.
-000311  1                ;
-000311  1  A9 02                    LDA  #CMDLEN-1   ;Our cmd! Put cmd length-1
-000313  1                           ;lda #$8d
-000313  1                           ;sta $02ff
-000313  1                           ;lda #$fe
-000313  1  8D 52 BE                 STA  XLEN        ; in CI global XLEN.
-000316  1  A9 58                    LDA  #<XRETURN   ;Point XTRNADDR to a known
-000318  1  8D 50 BE                 STA  XTRNADDR    ; RTS since we'll handle
-00031B  1  A9 FF                    LDA  #>XRETURN   ; at the time we intercept
-00031D  1               
-00031D  1  8D 51 BE                 STA  XTRNADDR+1  ; our command.
-000320  1  A9 00                    LDA  #0          ;Mark the cmd number as
-000322  1  8D 53 BE                 STA  XCNUM       ; zero (external).
-000325  1  8D 54 BE                 STA  PBITS       ;And indicate no parameters
-000328  1  8D 55 BE                 STA  PBITS+1     ; to be parsed.
-00032B  1  A9 8D                    lda #$8d
-00032D  1  20 ED FD                 jsr $fded
-000330  1  A2 70        slotx:      ldx #$70        ; set x to slot # in high nibble
-000332  1  18                       clc
-000333  1  90 04                    bcc SendCommand
-000335  1                 ;
-000335  1  38            NOTOURS:    SEC              ; ALWAYS SET CARRY IF NOT YOUR
-000336  1  6C AD 03                 JMP  (NXTCMD)    ; CMD AND LET NEXT COMMAND TRY
-000339  1                ;                           ; TO CLAIM IT.
-000339  1               
-000339  1               SendCommand:
-000339  1  2C 10 C0      bit ClearKeyboard
-00033C  1  A9 05         lda #$05 ;send command 5 = exec
-00033E  1  20 6F 03      jsr SendByte
-000341  1  A0 03         ldy #$03 ;skip over "RPI"
-000343  1               getInput:
-000343  1  B9 00 02      lda $0200,y
-000346  1  C9 8D         cmp #$8d
-000348  1  F0 08         beq sendNullTerminator
-00034A  1  29 7F         and #$7f
-00034C  1  20 6F 03      jsr SendByte
-00034F  1  C8            iny
-000350  1  D0 F1         bne getInput
-000352  1               sendNullTerminator:
-000352  1  A9 00         lda #$00
-000354  1  20 6F 03      jsr SendByte
-000357  1               DumpOutput:
-000357  1  20 8D 03      jsr GetByte
-00035A  1  C9 00         cmp #$00
-00035C  1  F0 06         beq endOutput
-00035E  1  20 ED FD      jsr PrintChar
-000361  1  18            clc
-000362  1  90 F3         bcc DumpOutput
-000364  1               endOutput:
-000364  1  18            clc
-000365  1  6C AD 03      jmp (NXTCMD)
-000368  1               
-000368  1               HelpCommand:
-000368  1  61 32 68 65   .byte "a2help",$00
-00036C  1  6C 70 00     
-00036F  1               
-00036F  1               SendByte:
-00036F  1  48            pha
-000370  1               waitWrite:
-000370  1  BD 8B C0      lda InputFlags,x
-000373  1  2A            rol
-000374  1  2A            rol
-000375  1  B0 F9         bcs waitWrite
-000377  1  68            pla
-000378  1  9D 8D C0      sta OutputByte,x
-00037B  1               .if HW_TYPE = 0
-00037B  1  A9 1E         lda #$1e ; set bit 0 low to indicate write started
-00037D  1  9D 87 C0      sta OutputFlags,x
-000380  1               finishWrite:
-000380  1  BD 8B C0      lda InputFlags,x
-000383  1  2A            rol
-000384  1  2A            rol
-000385  1  90 F9         bcc finishWrite
-000387  1  A9 1F         lda #$1f
-000389  1  9D 87 C0      sta OutputFlags,x
-00038C  1               .endif
-00038C  1  60            rts
-00038D  1               
-00038D  1               GetByte:
-00038D  1               .if HW_TYPE = 0
-00038D  1  A9 1D         lda #$1d ;set read flag low
-00038F  1  9D 87 C0      sta OutputFlags,x
-000392  1               .endif
-000392  1               waitRead:
-000392  1  BD 8B C0      lda InputFlags,x
-000395  1  2A            rol
-000396  1  B0 FA         bcs waitRead
-000398  1               readByte:
-000398  1  BD 8E C0      lda InputByte,x
-00039B  1               .if HW_TYPE = 0
-00039B  1  48            pha
-00039C  1  A9 1F         lda #$1f ;set all flags high
-00039E  1  9D 87 C0      sta OutputFlags,x
-0003A1  1               finishRead:
-0003A1  1  BD 8B C0      lda InputFlags,x
-0003A4  1  2A            rol
-0003A5  1  90 FA         bcc finishRead
-0003A7  1  68            pla
-0003A8  1               .endif
-0003A8  1  18            clc ;success
-0003A9  1  60            rts
-0003AA  1               
-0003AA  1               
-0003AA  1  F2 F0 E9     CMD:   aschi   "rpi"
-0003AD  1                CMDLEN     =  3       ;Our command length
-0003AD  1                ;
-0003AD  1  00 00         NXTCMD:    .byte    0,0           ; STORE THE NEXT EXT CMD'S
-0003AF  1                                            ; ADDRESS HERE.
-0003AF  1               
-0003AF  1               
-0003AF  1               
diff --git a/Apple2/Shell.lst b/Apple2/Shell.lst
deleted file mode 100644
index 7ff11be..0000000
--- a/Apple2/Shell.lst
+++ /dev/null
@@ -1,309 +0,0 @@
-ca65 V2.18 - Debian 2.19-1
-Main file   : Shell.asm
-Current file: Shell.asm
-
-000000r 1               ; Copyright Terence J. Boldt (c)2021-2024
-000000r 1               ; Use of this source code is governed by an MIT
-000000r 1               ; license that can be found in the LICENSE file.
-000000r 1               
-000000r 1               ; This file contains the source for the SHELL
-000000r 1               ; application that runs on the Apple II to talk
-000000r 1               ; to the Raspberry Pi
-000000r 1               
-000000r 1               ;ProDOS Zero Page
-000000r 1               Command = $42 ;ProDOS Command
-000000r 1               Unit = $43 ;ProDOS unit (SDDD0000)
-000000r 1               BufferLo = $44
-000000r 1               BufferHi = $45
-000000r 1               BlockLo = $46
-000000r 1               BlockHi = $47
-000000r 1               
-000000r 1               ; ProDOS Error Codes
-000000r 1               IOError = $27
-000000r 1               NoDevice = $28
-000000r 1               WriteProtect = $2B
-000000r 1               
-000000r 1               InputByte = $c08e
-000000r 1               OutputByte = $c08d
-000000r 1               InputFlags = $c08b
-000000r 1               OutputFlags = $c087
-000000r 1               
-000000r 1               ResetCommand = $00
-000000r 1               ReadBlockCommand = $01
-000000r 1               WriteBlockCommand = $02
-000000r 1               GetTimeCommand = $03
-000000r 1               ChangeDriveCommand = $04
-000000r 1               ExecCommand = $05
-000000r 1               LoadFileCommand = $06
-000000r 1               SaveFileCommand = $07
-000000r 1               MenuCommand = $08
-000000r 1               ShellCommand = $09
-000000r 1               
-000000r 1               InputString = $fd6a
-000000r 1               StringBuffer = $0200
-000000r 1               PrintChar = $fded
-000000r 1               Keyboard = $c000
-000000r 1               ClearKeyboard = $c010
-000000r 1               Home = $fc58
-000000r 1               Wait = $fca8
-000000r 1               PromptChar = $33
-000000r 1               Read80Col = $c01f
-000000r 1               TextPage1 = $c054
-000000r 1               TextPage2 = $c055
-000000r 1               
-000000r 1               htab = $24
-000000r 1               vtab = $25
-000000r 1               BasL = $28
-000000r 1               htab80 = $057b
-000000r 1               BasCalc = $fbc1
-000000r 1               
-000000r 1               LastChar = $06
-000000r 1               SlotL = $fe
-000000r 1               SlotH = $ff
-000000r 1               ESC = $9b
-000000r 1               
-000000r 1                .org $2000
-002000  1  A2 07         ldx #$07 ; start at slot 7
-002002  1               DetectSlot:
-002002  1  A0 00         ldy #$00
-002004  1  A9 FC         lda #$fc
-002006  1  85 FE         sta SlotL
-002008  1  8A            txa
-002009  1  09 C0         ora #$c0
-00200B  1  85 FF         sta SlotH
-00200D  1  B1 FE         lda (SlotL),y
-00200F  1  D0 1C         bne nextSlot
-002011  1  C8            iny
-002012  1  B1 FE         lda (SlotL),y
-002014  1  D0 17         bne nextSlot
-002016  1  C8            iny
-002017  1  B1 FE         lda (SlotL),y
-002019  1  C9 17         cmp #$17
-00201B  1  D0 10         bne nextSlot
-00201D  1  C8            iny
-00201E  1  B1 FE         lda (SlotL),y
-002020  1  C9 14         cmp #$14
-002022  1  D0 09         bne nextSlot
-002024  1  8A            txa
-002025  1  0A            asl
-002026  1  0A            asl
-002027  1  0A            asl
-002028  1  0A            asl
-002029  1  AA            tax
-00202A  1  18            clc
-00202B  1  90 04         bcc Init
-00202D  1               nextSlot:
-00202D  1  CA            dex
-00202E  1  D0 D2         bne DetectSlot
-002030  1  60            rts
-002031  1               
-002031  1               Init:
-002031  1  A9 8D         lda #$8d
-002033  1  20 00 C3      jsr $c300 ; force 80 columns
-002036  1               
-002036  1  A0 00         ldy #$00
-002038  1               PrintString:
-002038  1  B9 73 21      lda Text,y
-00203B  1  F0 08         beq Start
-00203D  1  09 80         ora #$80
-00203F  1  20 ED FD      jsr PrintChar
-002042  1  C8            iny
-002043  1  D0 F3         bne PrintString
-002045  1               
-002045  1               Start:
-002045  1  A5 06         lda LastChar
-002047  1  48            pha
-002048  1  2C 10 C0      bit ClearKeyboard
-00204B  1               ; lda #ResetCommand
-00204B  1               ; jsr SendByte
-00204B  1  A9 09         lda #ShellCommand
-00204D  1  20 C7 20      jsr SendByte
-002050  1  20 57 20      jsr DumpOutput
-002053  1  68            pla
-002054  1  85 06         sta LastChar
-002056  1  60            rts
-002057  1               
-002057  1               DumpOutput:
-002057  1  20 E5 20      jsr GetByte
-00205A  1  C9 00         cmp #$00
-00205C  1  F0 26         beq endOutput
-00205E  1  48            pha
-00205F  1  20 5E 21      jsr ClearCursor
-002062  1  68            pla
-002063  1  C9 48         cmp #'H'
-002065  1  F0 27         beq setColumn
-002067  1  C9 56         cmp #'V'
-002069  1  F0 31         beq setRow
-00206B  1  C9 43         cmp #'C'
-00206D  1  F0 16         beq clearScreen
-00206F  1  C9 54         cmp #'T'
-002071  1  F0 37         beq setTop
-002073  1  C9 42         cmp #'B'
-002075  1  F0 3B         beq setBottom
-002077  1  C9 55         cmp #'U'
-002079  1  F0 3F         beq moveUp
-00207B  1  20 ED FD      jsr PrintChar
-00207E  1  20 2D 21      jsr SetCursor
-002081  1  4C 57 20      jmp DumpOutput
-002084  1               endOutput:
-002084  1  60            rts
-002085  1               clearScreen:
-002085  1  20 58 FC      jsr Home
-002088  1  20 2D 21      jsr SetCursor
-00208B  1  4C 57 20      jmp DumpOutput
-00208E  1               setColumn:
-00208E  1  20 E5 20      jsr GetByte
-002091  1  85 24         sta htab
-002093  1  8D 7B 05      sta htab80
-002096  1  20 2D 21      jsr SetCursor
-002099  1  4C 57 20      jmp DumpOutput
-00209C  1               setRow:
-00209C  1  20 E5 20      jsr GetByte
-00209F  1  85 25         sta vtab
-0020A1  1  20 C1 FB      jsr BasCalc
-0020A4  1  20 2D 21      jsr SetCursor
-0020A7  1  4C 57 20      jmp DumpOutput
-0020AA  1               setTop:
-0020AA  1  20 E5 20      jsr GetByte
-0020AD  1  85 22         sta $22
-0020AF  1  4C 57 20      jmp DumpOutput
-0020B2  1               setBottom:
-0020B2  1  20 E5 20      jsr GetByte
-0020B5  1  85 23         sta $23
-0020B7  1  4C 57 20      jmp DumpOutput
-0020BA  1               moveUp:
-0020BA  1  C6 25         dec vtab
-0020BC  1  A5 25         lda vtab
-0020BE  1  20 C1 FB      jsr BasCalc
-0020C1  1  20 2D 21      jsr SetCursor
-0020C4  1  4C 57 20      jmp DumpOutput
-0020C7  1               
-0020C7  1               SendByte:
-0020C7  1  48            pha
-0020C8  1               waitWrite:
-0020C8  1  BD 8B C0      lda InputFlags,x
-0020CB  1  2A            rol
-0020CC  1  2A            rol
-0020CD  1  B0 F9         bcs waitWrite
-0020CF  1  68            pla
-0020D0  1  9D 8D C0      sta OutputByte,x
-0020D3  1               .if HW_TYPE = 0
-0020D3  1  A9 1E         lda #$1e ; set bit 0 low to indicate write started
-0020D5  1  9D 87 C0      sta OutputFlags,x
-0020D8  1               finishWrite:
-0020D8  1  BD 8B C0      lda InputFlags,x
-0020DB  1  2A            rol
-0020DC  1  2A            rol
-0020DD  1  90 F9         bcc finishWrite
-0020DF  1  A9 1F         lda #$1f
-0020E1  1  9D 87 C0      sta OutputFlags,x
-0020E4  1               .endif
-0020E4  1  60            rts
-0020E5  1               
-0020E5  1               GetByte:
-0020E5  1               .if HW_TYPE = 0
-0020E5  1  A9 1D         lda #$1d ;set read flag low
-0020E7  1  9D 87 C0      sta OutputFlags,x
-0020EA  1               .endif
-0020EA  1               waitRead:
-0020EA  1  BD 8B C0      lda InputFlags,x
-0020ED  1  2A            rol
-0020EE  1  90 2B         bcc readByte
-0020F0  1  2C 00 C0      bit Keyboard ;keypress will abort waiting to read
-0020F3  1  10 F5         bpl waitRead
-0020F5  1               keyPressed:
-0020F5  1  BD 8B C0      lda InputFlags,x
-0020F8  1  2A            rol
-0020F9  1  2A            rol
-0020FA  1  B0 F9         bcs keyPressed
-0020FC  1  AD 00 C0      lda Keyboard ;send keypress to RPi
-0020FF  1  29 7F         and #$7f
-002101  1  9D 8D C0      sta OutputByte,x
-002104  1  2C 10 C0      bit ClearKeyboard
-002107  1               .if HW_TYPE = 0
-002107  1  A9 1C         lda #$1c ;set write flag low too
-002109  1  9D 87 C0      sta OutputFlags,x
-00210C  1               finishKeyPress:
-00210C  1  BD 8B C0      lda InputFlags,x
-00210F  1  2A            rol
-002110  1  2A            rol
-002111  1  90 F9         bcc finishKeyPress
-002113  1  A9 1D         lda #$1d ;set flags back for reading
-002115  1  9D 87 C0      sta OutputFlags,x
-002118  1               .endif
-002118  1  4C EA 20      jmp waitRead
-00211B  1               readByte:
-00211B  1  BD 8E C0      lda InputByte,x
-00211E  1               .if HW_TYPE = 0
-00211E  1  48            pha
-00211F  1  A9 1F         lda #$1f ;set all flags high
-002121  1  9D 87 C0      sta OutputFlags,x
-002124  1               finishRead:
-002124  1  BD 8B C0      lda InputFlags,x
-002127  1  2A            rol
-002128  1  90 FA         bcc finishRead
-00212A  1  68            pla
-00212B  1               .endif
-00212B  1  18            clc ;success
-00212C  1               end:
-00212C  1  60            rts
-00212D  1               
-00212D  1               SetCursor:
-00212D  1  AD 7B 05      lda htab80 ;get horizontal location / 2
-002130  1  4A            lsr
-002131  1  A8            tay
-002132  1  AD 55 C0      lda TextPage2
-002135  1  90 03         bcc setChar
-002137  1  AD 54 C0      lda TextPage1
-00213A  1               setChar:
-00213A  1  B1 28         lda (BasL),y
-00213C  1  85 06         sta LastChar ; save so ClearCursor will pick it up
-00213E  1  C9 E0         cmp #$e0
-002140  1  10 0C         bpl lowerCase
-002142  1  C9 C0         cmp #$c0
-002144  1  10 0D         bpl upperCase
-002146  1  C9 A0         cmp #$a0
-002148  1  10 04         bpl symbol
-00214A  1  C9 80         cmp #$80
-00214C  1  10 0A         bpl noop
-00214E  1               symbol:
-00214E  1               lowerCase:
-00214E  1               invert:
-00214E  1  49 80         eor #$80
-002150  1  4C 58 21      jmp storeChar
-002153  1               upperCase:
-002153  1  29 1F         and #$1f
-002155  1  4C 58 21      jmp storeChar
-002158  1               noop:
-002158  1               storeChar:
-002158  1  91 28         sta (BasL),y
-00215A  1  AD 54 C0      lda TextPage1
-00215D  1  60            rts
-00215E  1               
-00215E  1               ClearCursor:
-00215E  1  AD 7B 05      lda htab80 ;get horizontal location / 2
-002161  1  4A            lsr
-002162  1  A8            tay
-002163  1  AD 55 C0      lda TextPage2
-002166  1  90 03         bcc restoreChar
-002168  1  AD 54 C0      lda TextPage1
-00216B  1               restoreChar:
-00216B  1  A5 06         lda LastChar
-00216D  1  91 28         sta (BasL),y
-00216F  1  AD 54 C0      lda TextPage1
-002172  1  60            rts
-002173  1               
-002173  1               Text:
-002173  1               .if HW_TYPE = 0
-002173  1  41 70 70 6C  .byte	"Apple2-IO-RPi Shell Version 000F",$8d
-002177  1  65 32 2D 49  
-00217B  1  4F 2D 52 50  
-002194  1               .else
-002194  1               .byte	"Apple2-IO-RPi Shell Version 800F",$8d
-002194  1               .endif
-002194  1  28 63 29 32  .byte	"(c)2020-2024 Terence J. Boldt",$8d
-002198  1  30 32 30 2D  
-00219C  1  32 30 32 34  
-0021B2  1  8D           .byte   $8d
-0021B3  1  00           .byte   $00
-0021B3  1               
diff --git a/RaspberryPi/apple2driver/driver.go b/RaspberryPi/apple2driver/driver.go
index 8111376..9aaba20 100644
--- a/RaspberryPi/apple2driver/driver.go
+++ b/RaspberryPi/apple2driver/driver.go
@@ -50,8 +50,10 @@ func main() {
 	var comm a2io.A2Io
 	if cdc {
 		comm = a2io.CDCio{}
+		fmt.Printf("Starting communications via serial port...\n")
 	} else {
 		comm = a2io.A2Gpio{}
+		fmt.Printf("Starting communications via GPIO ports...\n")
 	}
 
 	handlers.SetCommunication(comm)
diff --git a/RaspberryPi/driveimage/AT28C64B.bin b/RaspberryPi/driveimage/AT28C64B.bin
deleted file mode 100644
index 318e666..0000000
Binary files a/RaspberryPi/driveimage/AT28C64B.bin and /dev/null differ
diff --git a/RaspberryPi/driveimage/RPi.Command.bin b/RaspberryPi/driveimage/RPi.Command.bin
deleted file mode 100644
index 212cba8..0000000
Binary files a/RaspberryPi/driveimage/RPi.Command.bin and /dev/null differ
diff --git a/RaspberryPi/driveimage/Shell.bin b/RaspberryPi/driveimage/Shell.bin
deleted file mode 100644
index de2e0bc..0000000
Binary files a/RaspberryPi/driveimage/Shell.bin and /dev/null differ
diff --git a/RaspberryPiPico/CMakeLists.txt b/RaspberryPiPico/CMakeLists.txt
index 0c55fdc..e8a673e 100644
--- a/RaspberryPiPico/CMakeLists.txt
+++ b/RaspberryPiPico/CMakeLists.txt
@@ -18,11 +18,11 @@ FetchContent_Declare(a2pico
         )
 FetchContent_MakeAvailable(a2pico)
 
-set_source_files_properties(incbin.S OBJECT_DEPENDS ../../RaspberryPi/driveimage/AT28C64B.bin)
+set_source_files_properties(incbin.S OBJECT_DEPENDS ../RaspberryPi/driveimage/AT28C64B.bin)
 add_custom_command(
-        WORKING_DIRECTORY ../../Apple2
+        WORKING_DIRECTORY ../Apple2
         COMMAND ./assemble.sh 1
-        OUTPUT ../../RaspberryPi/driveimage/AT28C64B.bin
+        OUTPUT ../RaspberryPi/driveimage/AT28C64B.bin
         VERBATIM
         )
 
diff --git a/RaspberryPiPico/README.md b/RaspberryPiPico/README.md
new file mode 100644
index 0000000..edb7713
--- /dev/null
+++ b/RaspberryPiPico/README.md
@@ -0,0 +1 @@
+The setup.sh and build.sh are here for convenience of building the Pico code directly on the RPi Zero 2 W attached to the Apple II.
diff --git a/RaspberryPiPico/build.sh b/RaspberryPiPico/build.sh
new file mode 100755
index 0000000..897ba28
--- /dev/null
+++ b/RaspberryPiPico/build.sh
@@ -0,0 +1,2 @@
+PICO_SDK_PATH=~/pico-sdk/ cmake .
+make
diff --git a/RaspberryPiPico/incbin.S b/RaspberryPiPico/incbin.S
index 02dd062..c00e9c2 100644
--- a/RaspberryPiPico/incbin.S
+++ b/RaspberryPiPico/incbin.S
@@ -3,4 +3,4 @@
 .type firmware, %object
 .balign 4
 firmware:
-.incbin "../../RaspberryPi/driveimage/AT28C64B.bin"
+.incbin "../RaspberryPi/driveimage/AT28C64B.bin"
diff --git a/RaspberryPiPico/setup.sh b/RaspberryPiPico/setup.sh
new file mode 100755
index 0000000..4ceea80
--- /dev/null
+++ b/RaspberryPiPico/setup.sh
@@ -0,0 +1,5 @@
+sudo apt install cmake gcc-arm-none-eabi libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib -y
+cd ~
+git clone https://github.com/raspberrypi/pico-sdk.git
+cd ~/pico-sdk/
+git submodule update --init