Apple-2-HW/Apple2-IO-RPi
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Move menu from firmware to RPi

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This commit is contained in:
Terence Boldt 2021-06-02 00:08:21 +01:00
parent 30dbc0ea61
commit 3a2d6a9b52
11 changed files with 176 additions and 83 deletions
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BIN
Apple2/27256.bin
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Apple2/AT28C64B.bin
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2
Apple2/CommandFirmware.lst
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@ -1,4 +1,4 @@
ca65 V2.19 - Git 59c58acb
ca65 V2.17 - Raspbian 2.17-1
Main file : CommandFirmware.asm
Current file: CommandFirmware.asm

2
Apple2/DriveFirmware.lst
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@ -1,4 +1,4 @@
ca65 V2.19 - Git 59c58acb
ca65 V2.17 - Raspbian 2.17-1
Main file : DriveFirmware.asm
Current file: DriveFirmware.asm

2
Apple2/FileAccessFirmware.lst
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@ -1,4 +1,4 @@
ca65 V2.19 - Git 59c58acb
ca65 V2.17 - Raspbian 2.17-1
Main file : FileAccessFirmware.asm
Current file: FileAccessFirmware.asm

60
Apple2/MenuFirmware.asm
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@ -23,6 +23,7 @@ ChangeDriveCommand = $04
ExecCommand = $05
LoadFileCommand = $06
SaveFileCommand = $07
MenuCommand = $08
.org SLOT*$100 + $C000
;ID bytes for booting and drive detection
@ -72,10 +73,18 @@ WaitForRPi:
jmp WaitForRPi
OK:
lda #$cf
jsr $fded
lda #$cb
jsr $fc58 ;clear screen
lda #MenuCommand ;request menu text from RPi
jsr SendByte
DumpOutput:
jsr GetByte
cmp #$00
beq GetChar
jsr $fded
clc
bcc DumpOutput
GetChar:
jsr $fd0c
@ -93,16 +102,47 @@ Text:
.byte "Apple2-IO-RPi",$8d
.byte "(c)2020-2021 Terence J. Boldt",$8d
.byte $8d
.byte "1. Boot",$8d
.byte "2. Command Line",$8d
.byte "3. Load File",$8d
.byte $8d
.byte "May take 45 seconds for RPi to start",$8d
.byte "after intial power-on...",$00
.byte "Waiting for RPi...",$00
end:
SendByte:
pha
waitWrite:
lda InputFlags
rol
rol
bcs waitWrite
pla
sta OutputByte
lda #$3e ; set bit 0 low to indicate write started
sta OutputFlags
finishWrite:
lda InputFlags
rol
rol
bcc finishWrite
lda #$3f
sta OutputFlags
rts
GetByte:
lda #$3d ;set read flag low
sta OutputFlags
waitRead:
lda InputFlags
rol
bcs waitRead
lda InputByte
pha
lda #$3f ;set all flags high
sta OutputFlags
finishRead:
lda InputFlags
rol
bcc finishRead
pla
end:
rts
.repeat 251-<end
.byte 0
.endrepeat

161
Apple2/MenuFirmware.lst
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@ -1,4 +1,4 @@
ca65 V2.19 - Git 59c58acb
ca65 V2.17 - Raspbian 2.17-1
Main file : MenuFirmware.asm
Current file: MenuFirmware.asm
@ -27,6 +27,7 @@ Current file: MenuFirmware.asm
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
@ -58,7 +59,7 @@ Current file: MenuFirmware.asm
00C721 1 20 58 FC jsr $fc58 ;clear screen and show menu options
00C724 1 A0 00 ldy #$00
00C726 1 PrintString:
00C726 1 B9 5F C7 lda Text,y
00C726 1 B9 6A C7 lda Text,y
00C729 1 F0 08 beq WaitForRPi
00C72B 1 09 80 ora #$80
00C72D 1 20 ED FD jsr $fded
@ -76,72 +77,96 @@ Current file: MenuFirmware.asm
00C743 1 4C 33 C7 jmp WaitForRPi
00C746 1
00C746 1 OK:
00C746 1 A9 CF lda #$cf
00C748 1 20 ED FD jsr $fded
00C74B 1 A9 CB lda #$cb
00C74D 1 20 ED FD jsr $fded
00C750 1
00C750 1 GetChar:
00C750 1 20 0C FD jsr $fd0c
00C753 1 38 sec ;subtract ascii "1" to get 0 - 3 from "1" to "4"
00C754 1 E9 B1 sbc #$b1
00C756 1 0A asl ;put in top nibble as EPROM page
00C757 1 0A asl
00C758 1 0A asl
00C759 1 0A asl
00C75A 1 09 0F ora #$0f ;set all flags high
00C75C 1 4C 0E C7 jmp PageJump
00C75F 1
00C75F 1 Text:
00C75F 1
00C75F 1 41 70 70 6C .byte "Apple2-IO-RPi",$8d
00C763 1 65 32 2D 49
00C767 1 4F 2D 52 50
00C76B 1 69 8D
00C76D 1 28 63 29 32 .byte "(c)2020-2021 Terence J. Boldt",$8d
00C771 1 30 32 30 2D
00C775 1 32 30 32 31
00C779 1 20 54 65 72
00C77D 1 65 6E 63 65
00C781 1 20 4A 2E 20
00C785 1 42 6F 6C 64
00C789 1 74 8D
00C78B 1 8D .byte $8d
00C78C 1 31 2E 20 42 .byte "1. Boot",$8d
00C790 1 6F 6F 74 8D
00C794 1 32 2E 20 43 .byte "2. Command Line",$8d
00C798 1 6F 6D 6D 61
00C79C 1 6E 64 20 4C
00C7A0 1 69 6E 65 8D
00C7A4 1 33 2E 20 4C .byte "3. Load File",$8d
00C7A8 1 6F 61 64 20
00C7AC 1 46 69 6C 65
00C7B0 1 8D
00C7B1 1 8D .byte $8d
00C7B2 1 4D 61 79 20 .byte "May take 45 seconds for RPi to start",$8d
00C7B6 1 74 61 6B 65
00C7BA 1 20 34 35 20
00C7BE 1 73 65 63 6F
00C7C2 1 6E 64 73 20
00C7C6 1 66 6F 72 20
00C7CA 1 52 50 69 20
00C7CE 1 74 6F 20 73
00C7D2 1 74 61 72 74
00C7D6 1 8D
00C7D7 1 61 66 74 65 .byte "after intial power-on...",$00
00C7DB 1 72 20 69 6E
00C7DF 1 74 69 61 6C
00C7E3 1 20 70 6F 77
00C7E7 1 65 72 2D 6F
00C7EB 1 6E 2E 2E 2E
00C7EF 1 00
00C7F0 1
00C7F0 1 end:
00C7F0 1 60 rts
00C7F1 1
00C7F1 1 00 00 00 00 .repeat 251-<end
00C7F5 1 00 00 00 00
00C7F9 1 00 00 00
00C746 1 20 58 FC jsr $fc58 ;clear screen
00C749 1
00C749 1 A9 08 lda #MenuCommand ;request menu text from RPi
00C74B 1 20 AA C7 jsr SendByte
00C74E 1
00C74E 1 DumpOutput:
00C74E 1 20 C8 C7 jsr GetByte
00C751 1 C9 00 cmp #$00
00C753 1 F0 06 beq GetChar
00C755 1 20 ED FD jsr $fded
00C758 1 18 clc
00C759 1 90 F3 bcc DumpOutput
00C75B 1
00C75B 1 GetChar:
00C75B 1 20 0C FD jsr $fd0c
00C75E 1 38 sec ;subtract ascii "1" to get 0 - 3 from "1" to "4"
00C75F 1 E9 B1 sbc #$b1
00C761 1 0A asl ;put in top nibble as EPROM page
00C762 1 0A asl
00C763 1 0A asl
00C764 1 0A asl
00C765 1 09 0F ora #$0f ;set all flags high
00C767 1 4C 0E C7 jmp PageJump
00C76A 1
00C76A 1 Text:
00C76A 1
00C76A 1 41 70 70 6C .byte "Apple2-IO-RPi",$8d
00C76E 1 65 32 2D 49
00C772 1 4F 2D 52 50
00C776 1 69 8D
00C778 1 28 63 29 32 .byte "(c)2020-2021 Terence J. Boldt",$8d
00C77C 1 30 32 30 2D
00C780 1 32 30 32 31
00C784 1 20 54 65 72
00C788 1 65 6E 63 65
00C78C 1 20 4A 2E 20
00C790 1 42 6F 6C 64
00C794 1 74 8D
00C796 1 8D .byte $8d
00C797 1 57 61 69 74 .byte "Waiting for RPi...",$00
00C79B 1 69 6E 67 20
00C79F 1 66 6F 72 20
00C7A3 1 52 50 69 2E
00C7A7 1 2E 2E 00
00C7AA 1
00C7AA 1 SendByte:
00C7AA 1 48 pha
00C7AB 1 waitWrite:
00C7AB 1 AD FB C0 lda InputFlags
00C7AE 1 2A rol
00C7AF 1 2A rol
00C7B0 1 B0 F9 bcs waitWrite
00C7B2 1 68 pla
00C7B3 1 8D FD C0 sta OutputByte
00C7B6 1 A9 3E lda #$3e ; set bit 0 low to indicate write started
00C7B8 1 8D F7 C0 sta OutputFlags
00C7BB 1 finishWrite:
00C7BB 1 AD FB C0 lda InputFlags
00C7BE 1 2A rol
00C7BF 1 2A rol
00C7C0 1 90 F9 bcc finishWrite
00C7C2 1 A9 3F lda #$3f
00C7C4 1 8D F7 C0 sta OutputFlags
00C7C7 1 60 rts
00C7C8 1
00C7C8 1 GetByte:
00C7C8 1 A9 3D lda #$3d ;set read flag low
00C7CA 1 8D F7 C0 sta OutputFlags
00C7CD 1 waitRead:
00C7CD 1 AD FB C0 lda InputFlags
00C7D0 1 2A rol
00C7D1 1 B0 FA bcs waitRead
00C7D3 1 AD FE C0 lda InputByte
00C7D6 1 48 pha
00C7D7 1 A9 3F lda #$3f ;set all flags high
00C7D9 1 8D F7 C0 sta OutputFlags
00C7DC 1 finishRead:
00C7DC 1 AD FB C0 lda InputFlags
00C7DF 1 2A rol
00C7E0 1 90 FA bcc finishRead
00C7E2 1 68 pla
00C7E3 1 end:
00C7E3 1 60 rts
00C7E4 1
00C7E4 1 00 00 00 00 .repeat 251-<end
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 00 00 .byte 0,0 ;0000 blocks = check status

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RaspberryPi/Apple2-IO-RPi.hdv
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3
RaspberryPi/apple2driver/driver.go
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@ -15,6 +15,7 @@ const ChangeDriveCommand = 4
const ExecCommand = 5
const LoadFileCommand = 6
const SaveFileCommand = 7
const MenuCommand = 8
func main() {
a2io.InitGpio()
@ -43,6 +44,8 @@ func main() {
handlers.ExecCommand()
case LoadFileCommand:
handlers.LoadFileCommand()
case MenuCommand:
handlers.MenuCommand()
}
}
}

10
RaspberryPi/apple2driver/handlers/loadFile.go
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@ -26,8 +26,14 @@ func LoadFileCommand() {
fileSizeHigh := byte(fileSize >> 8)
fileSizeLow := byte(fileSize & 255)
a2io.WriteByte(fileSizeLow)
a2io.WriteByte(fileSizeHigh)
err = a2io.WriteByte(fileSizeLow)
if err != nil {
return
}
err = a2io.WriteByte(fileSizeHigh)
if err != nil {
return
}
buffer := make([]byte, fileSize)

19
RaspberryPi/apple2driver/handlers/menu.go Executable file
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@ -0,0 +1,19 @@
package handlers
import (
"fmt"
"github.com/tjboldt/Apple2-IO-RPi/RaspberryPi/apple2driver/a2io"
)
func MenuCommand() {
fmt.Printf("Sending menu...\n")
a2io.WriteString("Apple2-IO-RPi\r" +
"(c)2020-2021 Terence J. Boldt\r" +
"\r" +
"Select an option:\r" +
"\r" +
"1. Boot\r" +
"2. Command Line\r" +
"3. Load File\r")
}