Fix device unit bug in Driver

This commit is contained in:
Terence Boldt 2020-12-07 22:15:43 -05:00
parent 8dff6e4765
commit 2f54c217ca
7 changed files with 126 additions and 262 deletions

View File

@ -1,5 +1,5 @@
; ProDOS Global Page
Device2S1 = $bf14 ;POINTER FOR SLOT 2 DRIVE 1 DRIVER
Device5S1 = $bf1a ;POINTER FOR SLOT 5 DRIVE 1 DRIVER
DeviceCount = $bf31 ;DEVICE COUNT -1
DeviceList = $bf32 ;DEVICE LIST
@ -27,9 +27,9 @@ NibbleStorage = $1d
; Register the driver with ProDOS
lda #<Driver
sta Device2S1
sta Device5S1
lda #>Driver
sta Device2S1+1
sta Device5S1+1
; Add the drive to the device list
inc DeviceCount
lda DeviceCount
@ -61,9 +61,8 @@ DoCommand:
; ProDOS Status Command Handler
GetStatus:
lda #$00 ;0 indicates ready to read/write
lda #$ff ;low byte number of blocks
lda #$ff ;high byte number of blocks
ldx #$ff ;low byte number of blocks
ldy #$ff ;high byte number of blocks
lda #$0 ;zero accumulator and clear carry for success
clc
rts

View File

@ -3,7 +3,7 @@ Main file : Driver.asm
Current file: Driver.asm
000000r 1 ; ProDOS Global Page
000000r 1 Device2S1 = $bf14 ;POINTER FOR SLOT 2 DRIVE 1 DRIVER
000000r 1 Device5S1 = $bf1a ;POINTER FOR SLOT 5 DRIVE 1 DRIVER
000000r 1 DeviceCount = $bf31 ;DEVICE COUNT -1
000000r 1 DeviceList = $bf32 ;DEVICE LIST
000000r 1
@ -31,9 +31,9 @@ Current file: Driver.asm
001000 1
001000 1 ; Register the driver with ProDOS
001000 1 A9 16 lda #<Driver
001002 1 8D 14 BF sta Device2S1
001002 1 8D 1A BF sta Device5S1
001005 1 A9 10 lda #>Driver
001007 1 8D 15 BF sta Device2S1+1
001007 1 8D 1B BF sta Device5S1+1
00100A 1 ; Add the drive to the device list
00100A 1 EE 31 BF inc DeviceCount
00100D 1 AD 31 BF lda DeviceCount
@ -56,131 +56,130 @@ Current file: Driver.asm
001020 1 A5 42 lda Command
001022 1 F0 0C beq GetStatus ;0 = Status command
001024 1 C9 01 cmp #ReadBlockCommand
001026 1 F0 12 beq ReadBlock
001026 1 F0 10 beq ReadBlock
001028 1 C9 02 cmp #WriteBlockCommand
00102A 1 F0 36 beq WriteBlock
00102A 1 F0 34 beq WriteBlock
00102C 1 38 sec ;set carry as we don't support any other commands
00102D 1 A9 53 lda #$53 ;Invalid parameter error
00102F 1 60 rts
001030 1
001030 1 ; ProDOS Status Command Handler
001030 1 GetStatus:
001030 1 A9 00 lda #$00 ;0 indicates ready to read/write
001032 1 A9 FF lda #$ff ;low byte number of blocks
001034 1 A9 FF lda #$ff ;high byte number of blocks
001036 1 A9 00 lda #$0 ;zero accumulator and clear carry for success
001038 1 18 clc
001039 1 60 rts
00103A 1
00103A 1 ; ProDOS Read Block Command
00103A 1 ReadBlock:
00103A 1 A9 01 lda #ReadBlockCommand
00103C 1 20 8A 10 jsr SendCommand
00103F 1 A5 46 lda BlockLo
001041 1 20 9D 10 jsr SendByte
001044 1 A5 47 lda BlockHi
001046 1 20 9D 10 jsr SendByte
001049 1 A0 00 ldy #$0
00104B 1 20 59 10 jsr read256
00104E 1 E6 45 inc BufferHi
001050 1 20 59 10 jsr read256
001053 1 C6 45 dec BufferHi
001055 1 A9 00 lda #$0 ;zero accumulator and clear carry for success
001057 1 18 clc
001058 1 60 rts
001059 1
001059 1 read256:
001059 1 20 C0 10 jsr GetByte
00105C 1 91 44 sta (BufferLo),y
00105E 1 C8 iny
00105F 1 D0 F8 bne read256
001061 1 60 rts
001062 1
001062 1 ; ProDOS Write Block Command
001062 1 WriteBlock:
001062 1 A9 02 lda #WriteBlockCommand
001064 1 20 8A 10 jsr SendCommand
001067 1 A5 46 lda BlockLo
001069 1 20 9D 10 jsr SendByte
00106C 1 A5 47 lda BlockHi
00106E 1 20 9D 10 jsr SendByte
001071 1 A0 00 ldy #$0
001073 1 20 81 10 jsr write256
001076 1 E6 45 inc BufferHi
001078 1 20 81 10 jsr write256
00107B 1 C6 45 dec BufferHi
00107D 1 A9 00 lda #$0 ;zero accumulator and clear carry for success
00107F 1 18 clc
001080 1 60 rts
001081 1
001081 1 write256:
001081 1 B1 44 lda (BufferLo),y
001083 1 20 9D 10 jsr SendByte
001086 1 C8 iny
001087 1 D0 F8 bne write256
001089 1 60 rts
00108A 1
00108A 1 SendCommand:
00108A 1 09 D0 ora #$D0 ;Write Hi, Read Hi, Command Write Lo, Command Read Hi
00108C 1 8D DD C0 sta OutputByte
00108F 1 commandWait:
00108F 1 AD DE C0 lda InputByte
001030 1 A2 FF ldx #$ff ;low byte number of blocks
001032 1 A0 FF ldy #$ff ;high byte number of blocks
001034 1 A9 00 lda #$0 ;zero accumulator and clear carry for success
001036 1 18 clc
001037 1 60 rts
001038 1
001038 1 ; ProDOS Read Block Command
001038 1 ReadBlock:
001038 1 A9 01 lda #ReadBlockCommand
00103A 1 20 88 10 jsr SendCommand
00103D 1 A5 46 lda BlockLo
00103F 1 20 9B 10 jsr SendByte
001042 1 A5 47 lda BlockHi
001044 1 20 9B 10 jsr SendByte
001047 1 A0 00 ldy #$0
001049 1 20 57 10 jsr read256
00104C 1 E6 45 inc BufferHi
00104E 1 20 57 10 jsr read256
001051 1 C6 45 dec BufferHi
001053 1 A9 00 lda #$0 ;zero accumulator and clear carry for success
001055 1 18 clc
001056 1 60 rts
001057 1
001057 1 read256:
001057 1 20 BE 10 jsr GetByte
00105A 1 91 44 sta (BufferLo),y
00105C 1 C8 iny
00105D 1 D0 F8 bne read256
00105F 1 60 rts
001060 1
001060 1 ; ProDOS Write Block Command
001060 1 WriteBlock:
001060 1 A9 02 lda #WriteBlockCommand
001062 1 20 88 10 jsr SendCommand
001065 1 A5 46 lda BlockLo
001067 1 20 9B 10 jsr SendByte
00106A 1 A5 47 lda BlockHi
00106C 1 20 9B 10 jsr SendByte
00106F 1 A0 00 ldy #$0
001071 1 20 7F 10 jsr write256
001074 1 E6 45 inc BufferHi
001076 1 20 7F 10 jsr write256
001079 1 C6 45 dec BufferHi
00107B 1 A9 00 lda #$0 ;zero accumulator and clear carry for success
00107D 1 18 clc
00107E 1 60 rts
00107F 1
00107F 1 write256:
00107F 1 B1 44 lda (BufferLo),y
001081 1 20 9B 10 jsr SendByte
001084 1 C8 iny
001085 1 D0 F8 bne write256
001087 1 60 rts
001088 1
001088 1 SendCommand:
001088 1 09 D0 ora #$D0 ;Write Hi, Read Hi, Command Write Lo, Command Read Hi
00108A 1 8D DD C0 sta OutputByte
00108D 1 commandWait:
00108D 1 AD DE C0 lda InputByte
001090 1 0A asl
001091 1 0A asl
001092 1 0A asl
001093 1 0A asl
001094 1 0A asl
001095 1 30 F8 bmi commandWait
001097 1 A9 F0 lda #$F0 ;set write/read/command flags high
001099 1 8D DD C0 sta OutputByte
00109C 1 60 rts
00109D 1
00109D 1 SendByte:
00109D 1 48 pha
001093 1 30 F8 bmi commandWait
001095 1 A9 F0 lda #$F0 ;set write/read/command flags high
001097 1 8D DD C0 sta OutputByte
00109A 1 60 rts
00109B 1
00109B 1 SendByte:
00109B 1 48 pha
00109C 1 4A lsr
00109D 1 4A lsr
00109E 1 4A lsr
00109F 1 4A lsr
0010A0 1 4A lsr
0010A1 1 4A lsr
0010A2 1 20 AA 10 jsr SendNibble
0010A5 1 68 pla
0010A6 1 20 AA 10 jsr SendNibble
0010A9 1 60 rts
0010AA 1
0010AA 1 SendNibble:
0010AA 1 29 0F and #$0F
0010AC 1 09 70 ora #$70 ;Write bit low
0010AE 1 48 pha
0010AF 1 waitWrite:
0010AF 1 AD DE C0 lda InputByte
0010B2 1 0A asl ;Second highest bit goes low when ready
0010B3 1 30 FA bmi waitWrite
0010B5 1 68 pla
0010B6 1 8D DD C0 sta OutputByte
0010B9 1 finishWrite:
0010B9 1 AD DE C0 lda InputByte
0010BC 1 0A asl
0010BD 1 10 FA bpl finishWrite
0010BF 1 60 rts
0010C0 1
0010C0 1 GetByte:
0010C0 1 20 D3 10 jsr GetNibble
0010A0 1 20 A8 10 jsr SendNibble
0010A3 1 68 pla
0010A4 1 20 A8 10 jsr SendNibble
0010A7 1 60 rts
0010A8 1
0010A8 1 SendNibble:
0010A8 1 29 0F and #$0F
0010AA 1 09 70 ora #$70 ;Write bit low
0010AC 1 48 pha
0010AD 1 waitWrite:
0010AD 1 AD DE C0 lda InputByte
0010B0 1 0A asl ;Second highest bit goes low when ready
0010B1 1 30 FA bmi waitWrite
0010B3 1 68 pla
0010B4 1 8D DD C0 sta OutputByte
0010B7 1 finishWrite:
0010B7 1 AD DE C0 lda InputByte
0010BA 1 0A asl
0010BB 1 10 FA bpl finishWrite
0010BD 1 60 rts
0010BE 1
0010BE 1 GetByte:
0010BE 1 20 D1 10 jsr GetNibble
0010C1 1 0A asl
0010C2 1 0A asl
0010C3 1 0A asl
0010C4 1 0A asl
0010C5 1 0A asl
0010C6 1 0A asl
0010C7 1 85 1D sta NibbleStorage
0010C9 1 20 D3 10 jsr GetNibble
0010CC 1 29 0F and #$0f
0010CE 1 05 1D ora NibbleStorage
0010D0 1 A5 1D lda NibbleStorage
0010D2 1 60 rts
0010D3 1
0010D3 1 GetNibble:
0010D3 1 A9 B0 lda #$b0 ;set read flag low
0010D5 1 8D DD C0 sta OutputByte
0010D8 1 waitRead:
0010D8 1 AD DE C0 lda InputByte
0010DB 1 30 FB bmi waitRead
0010DD 1 29 F0 and #$f0 ;set all flags high
0010DF 1 8D DD C0 sta OutputByte
0010E2 1 60 rts
0010E3 1
0010E3 1
0010C5 1 85 1D sta NibbleStorage
0010C7 1 20 D1 10 jsr GetNibble
0010CA 1 29 0F and #$0f
0010CC 1 05 1D ora NibbleStorage
0010CE 1 A5 1D lda NibbleStorage
0010D0 1 60 rts
0010D1 1
0010D1 1 GetNibble:
0010D1 1 A9 B0 lda #$b0 ;set read flag low
0010D3 1 8D DD C0 sta OutputByte
0010D6 1 waitRead:
0010D6 1 AD DE C0 lda InputByte
0010D9 1 30 FB bmi waitRead
0010DB 1 29 F0 and #$f0 ;set all flags high
0010DD 1 8D DD C0 sta OutputByte
0010E0 1 60 rts
0010E1 1
0010E1 1

3
Firmware/assemble_driver.sh Executable file
View File

@ -0,0 +1,3 @@
#!/bin/sh
ca65 Driver.asm --listing Driver.lst
ld65 Driver.o -o Driver.bin -t none

View File

@ -1,49 +0,0 @@
{
"name": "apple2-io-rpi",
"version": "0.0.1",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"bindings": {
"version": "1.5.0",
"resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
"integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
"requires": {
"file-uri-to-path": "1.0.0"
}
},
"epoll": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/epoll/-/epoll-4.0.0.tgz",
"integrity": "sha512-dENZbykco5w/vsFHuhD/5zla9VHm3htP1ROoX9MCc6L/7LVqGPFfcGS/g+/+pQLUclKw4uR9HnaZmsZ6fi5n+Q==",
"requires": {
"bindings": "^1.5.0",
"nan": "^2.14.1"
}
},
"file-uri-to-path": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
"integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
},
"lodash.debounce": {
"version": "4.0.8",
"resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
"integrity": "sha1-gteb/zCmfEAF/9XiUVMArZyk168="
},
"nan": {
"version": "2.14.2",
"resolved": "https://registry.npmjs.org/nan/-/nan-2.14.2.tgz",
"integrity": "sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ=="
},
"onoff": {
"version": "6.0.1",
"resolved": "https://registry.npmjs.org/onoff/-/onoff-6.0.1.tgz",
"integrity": "sha512-lqnVyUiWLbb4T6sWTaOeCJn682EPyxaTyfJ5bP5LiTa0KMDlVPQR0ngVgzV3SkRkd0JnNxPvwTNj7QVvZTZsAw==",
"requires": {
"epoll": "^4.0.0",
"lodash.debounce": "^4.0.8"
}
}
}
}

View File

@ -1,14 +0,0 @@
{
"name": "apple2-io-rpi",
"version": "0.0.1",
"description": "Apple2 I/O Card with Raspberry Pi Zero W",
"main": "server.js",
"scripts": {
"test": "jest"
},
"author": "Terence J. Boldt",
"license": "GPL-3.0-or-later",
"dependencies": {
"onoff": "^6.0.1"
}
}

View File

@ -1,74 +0,0 @@
var fs = require('fs');
var gpio = require('onoff').Gpio;
var out_write = new gpio(5, 'high', {activeLow: true});
var out_read = new gpio(11, 'high', {activeLow: true});
var out_command1 = new gpio(9, 'low', {activeLow: false});
var out_command2 = new gpio(10, 'low', {activeLow: false});
var out_bit3 = new gpio(22, 'low', {activeLow: false});
var out_bit2 = new gpio(27, 'low', {activeLow: false});
var out_bit1 = new gpio(17, 'low', {activeLow: false});
var out_bit0 = new gpio(4, 'low', {activeLow: false});
var in_write = new gpio(12, 'in', 'both');
var in_read = new gpio(16, 'in', 'both');
var in_command1 = new gpio(20, 'in');
var in_command2 = new gpio(21, 'in');
var in_bit3 = new gpio(26, 'in');
var in_bit2 = new gpio(19, 'in');
var in_bit1 = new gpio(13, 'in');
var in_bit0 = new gpio(6, 'in');
function onCleanUp() {
in_write.unwatchAll();
in_write.unexport();
}
function onWriteChanged(err, value) {
if (err) {
}
else {
//console.log(`value: ${value}`);
}
}
number = 0;
startTime = Date.now();
function onReadChanged(err, value) {
if (err) {
}
else {
if (value == 1) {
//console.log("Nibble has been read");
out_write.writeSync(0);
}
else {
writeNibble(number++);
if(number >= 4096) {
seconds = Date.now() - startTime;
console.log(`Sent 2 KiB in ${seconds} milliseconds.`);
process.exit()
}
}
}
}
in_write.watch(onWriteChanged);
in_read.watch(onReadChanged);
function writeNibble(nibble) {
out_bit3.writeSync((nibble&8)>>3);
out_bit2.writeSync((nibble&4)>>2);
out_bit1.writeSync((nibble&2)>>1);
out_bit0.writeSync(nibble&1);
out_command1.writeSync(0);
out_command2.writeSync(0);
out_read.writeSync(0);
out_write.writeSync(1);
}
writeNibble(0);
process.on('SIGINT', onCleanUp);