mirror of
https://github.com/tjboldt/Apple2-IO-RPi.git
synced 2025-01-11 11:30:41 +00:00
Remove command flags and just write nibbles
This commit is contained in:
Terence Boldt
parent
2f54c217ca
commit
c034314e7a
@ -70,7 +70,7 @@ GetStatus:
|
|||||||
; ProDOS Read Block Command
|
; ProDOS Read Block Command
|
||||||
ReadBlock:
|
ReadBlock:
|
||||||
lda #ReadBlockCommand
|
lda #ReadBlockCommand
|
||||||
jsr SendCommand
|
jsr SendByte
|
||||||
lda BlockLo
|
lda BlockLo
|
||||||
jsr SendByte
|
jsr SendByte
|
||||||
lda BlockHi
|
lda BlockHi
|
||||||
@ -94,7 +94,7 @@ read256:
|
|||||||
; ProDOS Write Block Command
|
; ProDOS Write Block Command
|
||||||
WriteBlock:
|
WriteBlock:
|
||||||
lda #WriteBlockCommand
|
lda #WriteBlockCommand
|
||||||
jsr SendCommand
|
jsr SendByte
|
||||||
lda BlockLo
|
lda BlockLo
|
||||||
jsr SendByte
|
jsr SendByte
|
||||||
lda BlockHi
|
lda BlockHi
|
||||||
@ -115,19 +115,6 @@ write256:
|
|||||||
bne write256
|
bne write256
|
||||||
rts
|
rts
|
||||||
|
|
||||||
SendCommand:
|
|
||||||
ora #$D0 ;Write Hi, Read Hi, Command Write Lo, Command Read Hi
|
|
||||||
sta OutputByte
|
|
||||||
commandWait:
|
|
||||||
lda InputByte
|
|
||||||
asl
|
|
||||||
asl
|
|
||||||
asl
|
|
||||||
bmi commandWait
|
|
||||||
lda #$F0 ;set write/read/command flags high
|
|
||||||
sta OutputByte
|
|
||||||
rts
|
|
||||||
|
|
||||||
SendByte:
|
SendByte:
|
||||||
pha
|
pha
|
||||||
lsr
|
lsr
|
||||||
|
|||||||
@ -1,4 +1,4 @@
|
|||||||
ca65 V2.18 - Ubuntu 2.18-1
|
ca65 V2.19 - Git 59c58acb
|
||||||
Main file : Driver.asm
|
Main file : Driver.asm
|
||||||
Current file: Driver.asm
|
Current file: Driver.asm
|
||||||
|
|
||||||
@ -74,11 +74,11 @@ Current file: Driver.asm
|
|||||||
001038 1 ; ProDOS Read Block Command
|
001038 1 ; ProDOS Read Block Command
|
||||||
001038 1 ReadBlock:
|
001038 1 ReadBlock:
|
||||||
001038 1 A9 01 lda #ReadBlockCommand
|
001038 1 A9 01 lda #ReadBlockCommand
|
||||||
00103A 1 20 88 10 jsr SendCommand
|
00103A 1 20 88 10 jsr SendByte
|
||||||
00103D 1 A5 46 lda BlockLo
|
00103D 1 A5 46 lda BlockLo
|
||||||
00103F 1 20 9B 10 jsr SendByte
|
00103F 1 20 88 10 jsr SendByte
|
||||||
001042 1 A5 47 lda BlockHi
|
001042 1 A5 47 lda BlockHi
|
||||||
001044 1 20 9B 10 jsr SendByte
|
001044 1 20 88 10 jsr SendByte
|
||||||
001047 1 A0 00 ldy #$0
|
001047 1 A0 00 ldy #$0
|
||||||
001049 1 20 57 10 jsr read256
|
001049 1 20 57 10 jsr read256
|
||||||
00104C 1 E6 45 inc BufferHi
|
00104C 1 E6 45 inc BufferHi
|
||||||
@ -89,7 +89,7 @@ Current file: Driver.asm
|
|||||||
001056 1 60 rts
|
001056 1 60 rts
|
||||||
001057 1
|
001057 1
|
||||||
001057 1 read256:
|
001057 1 read256:
|
||||||
001057 1 20 BE 10 jsr GetByte
|
001057 1 20 AB 10 jsr GetByte
|
||||||
00105A 1 91 44 sta (BufferLo),y
|
00105A 1 91 44 sta (BufferLo),y
|
||||||
00105C 1 C8 iny
|
00105C 1 C8 iny
|
||||||
00105D 1 D0 F8 bne read256
|
00105D 1 D0 F8 bne read256
|
||||||
@ -98,11 +98,11 @@ Current file: Driver.asm
|
|||||||
001060 1 ; ProDOS Write Block Command
|
001060 1 ; ProDOS Write Block Command
|
||||||
001060 1 WriteBlock:
|
001060 1 WriteBlock:
|
||||||
001060 1 A9 02 lda #WriteBlockCommand
|
001060 1 A9 02 lda #WriteBlockCommand
|
||||||
001062 1 20 88 10 jsr SendCommand
|
001062 1 20 88 10 jsr SendByte
|
||||||
001065 1 A5 46 lda BlockLo
|
001065 1 A5 46 lda BlockLo
|
||||||
001067 1 20 9B 10 jsr SendByte
|
001067 1 20 88 10 jsr SendByte
|
||||||
00106A 1 A5 47 lda BlockHi
|
00106A 1 A5 47 lda BlockHi
|
||||||
00106C 1 20 9B 10 jsr SendByte
|
00106C 1 20 88 10 jsr SendByte
|
||||||
00106F 1 A0 00 ldy #$0
|
00106F 1 A0 00 ldy #$0
|
||||||
001071 1 20 7F 10 jsr write256
|
001071 1 20 7F 10 jsr write256
|
||||||
001074 1 E6 45 inc BufferHi
|
001074 1 E6 45 inc BufferHi
|
||||||
@ -114,72 +114,59 @@ Current file: Driver.asm
|
|||||||
00107F 1
|
00107F 1
|
||||||
00107F 1 write256:
|
00107F 1 write256:
|
||||||
00107F 1 B1 44 lda (BufferLo),y
|
00107F 1 B1 44 lda (BufferLo),y
|
||||||
001081 1 20 9B 10 jsr SendByte
|
001081 1 20 88 10 jsr SendByte
|
||||||
001084 1 C8 iny
|
001084 1 C8 iny
|
||||||
001085 1 D0 F8 bne write256
|
001085 1 D0 F8 bne write256
|
||||||
001087 1 60 rts
|
001087 1 60 rts
|
||||||
001088 1
|
001088 1
|
||||||
001088 1 SendCommand:
|
001088 1 SendByte:
|
||||||
001088 1 09 D0 ora #$D0 ;Write Hi, Read Hi, Command Write Lo, Command Read Hi
|
001088 1 48 pha
|
||||||
00108A 1 8D DD C0 sta OutputByte
|
001089 1 4A lsr
|
||||||
00108D 1 commandWait:
|
00108A 1 4A lsr
|
||||||
00108D 1 AD DE C0 lda InputByte
|
00108B 1 4A lsr
|
||||||
001090 1 0A asl
|
00108C 1 4A lsr
|
||||||
001091 1 0A asl
|
00108D 1 20 95 10 jsr SendNibble
|
||||||
001092 1 0A asl
|
001090 1 68 pla
|
||||||
001093 1 30 F8 bmi commandWait
|
001091 1 20 95 10 jsr SendNibble
|
||||||
001095 1 A9 F0 lda #$F0 ;set write/read/command flags high
|
001094 1 60 rts
|
||||||
001097 1 8D DD C0 sta OutputByte
|
001095 1
|
||||||
00109A 1 60 rts
|
001095 1 SendNibble:
|
||||||
00109B 1
|
001095 1 29 0F and #$0F
|
||||||
00109B 1 SendByte:
|
001097 1 09 70 ora #$70 ;Write bit low
|
||||||
00109B 1 48 pha
|
001099 1 48 pha
|
||||||
00109C 1 4A lsr
|
00109A 1 waitWrite:
|
||||||
00109D 1 4A lsr
|
00109A 1 AD DE C0 lda InputByte
|
||||||
00109E 1 4A lsr
|
00109D 1 0A asl ;Second highest bit goes low when ready
|
||||||
00109F 1 4A lsr
|
00109E 1 30 FA bmi waitWrite
|
||||||
0010A0 1 20 A8 10 jsr SendNibble
|
0010A0 1 68 pla
|
||||||
0010A3 1 68 pla
|
0010A1 1 8D DD C0 sta OutputByte
|
||||||
0010A4 1 20 A8 10 jsr SendNibble
|
0010A4 1 finishWrite:
|
||||||
0010A7 1 60 rts
|
0010A4 1 AD DE C0 lda InputByte
|
||||||
0010A8 1
|
0010A7 1 0A asl
|
||||||
0010A8 1 SendNibble:
|
0010A8 1 10 FA bpl finishWrite
|
||||||
0010A8 1 29 0F and #$0F
|
0010AA 1 60 rts
|
||||||
0010AA 1 09 70 ora #$70 ;Write bit low
|
0010AB 1
|
||||||
0010AC 1 48 pha
|
0010AB 1 GetByte:
|
||||||
0010AD 1 waitWrite:
|
0010AB 1 20 BE 10 jsr GetNibble
|
||||||
0010AD 1 AD DE C0 lda InputByte
|
0010AE 1 0A asl
|
||||||
0010B0 1 0A asl ;Second highest bit goes low when ready
|
0010AF 1 0A asl
|
||||||
0010B1 1 30 FA bmi waitWrite
|
0010B0 1 0A asl
|
||||||
0010B3 1 68 pla
|
0010B1 1 0A asl
|
||||||
0010B4 1 8D DD C0 sta OutputByte
|
0010B2 1 85 1D sta NibbleStorage
|
||||||
0010B7 1 finishWrite:
|
0010B4 1 20 BE 10 jsr GetNibble
|
||||||
0010B7 1 AD DE C0 lda InputByte
|
0010B7 1 29 0F and #$0f
|
||||||
0010BA 1 0A asl
|
0010B9 1 05 1D ora NibbleStorage
|
||||||
0010BB 1 10 FA bpl finishWrite
|
0010BB 1 A5 1D lda NibbleStorage
|
||||||
0010BD 1 60 rts
|
0010BD 1 60 rts
|
||||||
0010BE 1
|
0010BE 1
|
||||||
0010BE 1 GetByte:
|
0010BE 1 GetNibble:
|
||||||
0010BE 1 20 D1 10 jsr GetNibble
|
0010BE 1 A9 B0 lda #$b0 ;set read flag low
|
||||||
0010C1 1 0A asl
|
0010C0 1 8D DD C0 sta OutputByte
|
||||||
0010C2 1 0A asl
|
0010C3 1 waitRead:
|
||||||
0010C3 1 0A asl
|
0010C3 1 AD DE C0 lda InputByte
|
||||||
0010C4 1 0A asl
|
0010C6 1 30 FB bmi waitRead
|
||||||
0010C5 1 85 1D sta NibbleStorage
|
0010C8 1 29 F0 and #$f0 ;set all flags high
|
||||||
0010C7 1 20 D1 10 jsr GetNibble
|
0010CA 1 8D DD C0 sta OutputByte
|
||||||
0010CA 1 29 0F and #$0f
|
0010CD 1 60 rts
|
||||||
0010CC 1 05 1D ora NibbleStorage
|
0010CE 1
|
||||||
0010CE 1 A5 1D lda NibbleStorage
|
0010CE 1
|
||||||
0010D0 1 60 rts
|
|
||||||
0010D1 1
|
|
||||||
0010D1 1 GetNibble:
|
|
||||||
0010D1 1 A9 B0 lda #$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
|
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user