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ProDOS.FX:Added DCLK support and //c related Fixes

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NSC: Reverted to $C3xx I/O space
This commit is contained in:
burniouf 2021-07-26 14:33:08 +02:00
parent 631571cc6e
commit 64b71db7b3
7 changed files with 290 additions and 76 deletions
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BIN
.Floppies/A2OSX.BUILD.po
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85
BIN/NSCUTIL.S.txt
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@ -6,13 +6,22 @@ NEW
.OP 65C02 .OP 65C02
.OR $2000 .OR $2000
.TF bin/nscutil .TF bin/nscutil
*--------------------------------------
NSC.IOBASE .EQ $C300
*-------------------------------------- *--------------------------------------
.INB inc/macros.i .INB inc/macros.i
.INB inc/io.i .INB inc/io.i
.INB inc/a2osx.i .INB inc/a2osx.i
.INB inc/mli.e.i .INB inc/mli.e.i
*-------------------------------------- *--------------------------------------
ZPPtr1 .EQ ZPBIN .DUMMY
.OR ZPBIN
ZS.START
DS121x.DATA0 .BS 8
DS121x.DATA1 .BS 8 Reverted YY MM DD Day HH mm SS CS
ZPPtr1 .BS 2
TmpByte .BS 1
ZS.END .ED
*-------------------------------------- *--------------------------------------
* File Header (16 Bytes) * File Header (16 Bytes)
*-------------------------------------- *--------------------------------------
@ -20,12 +29,12 @@ CS.START cld
jmp (.1,x) jmp (.1,x)
.DA #$61 6502,Level 1 (65c02) .DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1 .DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
.DA #0 .DA #0
.DA #0 .DA CS.END-CS.START Code Size (without Constants)
.DA CS.END-CS.START CS .DA DS.END-DS.START Data Segment Size
.DA DS.END-DS.START DS .DA #16 Stack Size
.DA #16 SS .DA #ZS.END-ZS.START Zero Page Size
.DA #2 ZP
.DA 0 .DA 0
*-------------------------------------- *--------------------------------------
* Relocation Table * Relocation Table
@ -55,8 +64,8 @@ CS.RUN.READ jsr NSC.Init
jsr NSC.Read jsr NSC.Read
ldx #7 ldx #7
.1 lda DS1216E.DETECT,x .1 lda DS121x.DATA0,x
eor DS1216E.DATA,x eor DS121x.DATA1,x
bne .8 bne .8
dex dex
@ -86,11 +95,11 @@ CS.RUN.SET lda #1
bne .9 bne .9
ldy #0 ldy #0
stz DS1216E.DATA+7 stz DS121x.DATA1+7
jsr GetBCD jsr GetBCD
bcs .9 bcs .9
sta DS1216E.DATA sta DS121x.DATA1
lda (ZPPtr1),y lda (ZPPtr1),y
cmp #'/' cmp #'/'
bne .9 bne .9
@ -100,7 +109,7 @@ CS.RUN.SET lda #1
jsr GetBCD jsr GetBCD
bcs .9 bcs .9
sta DS1216E.DATA+1 sta DS121x.DATA1+1
lda (ZPPtr1),y lda (ZPPtr1),y
cmp #'/' cmp #'/'
@ -111,7 +120,7 @@ CS.RUN.SET lda #1
jsr GetBCD jsr GetBCD
bcs .9 bcs .9
sta DS1216E.DATA+2 sta DS121x.DATA1+2
lda (ZPPtr1),y lda (ZPPtr1),y
cmp #',' cmp #','
@ -121,7 +130,7 @@ CS.RUN.SET lda #1
jsr GetBCD jsr GetBCD
bcs .9 bcs .9
sta DS1216E.DATA+4 sta DS121x.DATA1+4
lda (ZPPtr1),y lda (ZPPtr1),y
cmp #':' cmp #':'
@ -132,7 +141,7 @@ CS.RUN.SET lda #1
jsr GetBCD jsr GetBCD
bcs .9 bcs .9
sta DS1216E.DATA+5 sta DS121x.DATA1+5
lda (ZPPtr1),y lda (ZPPtr1),y
cmp #':' cmp #':'
@ -143,8 +152,8 @@ CS.RUN.SET lda #1
jsr GetBCD jsr GetBCD
bcs .9 bcs .9
sta DS1216E.DATA+6 sta DS121x.DATA1+6
stz DS1216E.DATA+7 stz DS121x.DATA1+7
jsr NSC.Write jsr NSC.Write
lda #0 tell TSKMGR that all done ok, but lda #0 tell TSKMGR that all done ok, but
@ -173,9 +182,9 @@ NSC.Init php
.1 ldy #8 .1 ldy #8
.2 lda $C104 .2 lda NSC.IOBASE+4
lsr lsr
ror DS1216E.DETECT-1,x ror DS121x.DATA0-1,x
dey dey
bne .2 bne .2
@ -204,9 +213,9 @@ NSC.Read php
.1 ldy #8 .1 ldy #8
.2 lda $C104 .2 lda NSC.IOBASE+4
lsr lsr
ror DS1216E.DATA-1,x ror DS121x.DATA1-1,x
dey dey
bne .2 bne .2
@ -233,7 +242,7 @@ NSC.Write php
ldx #8 Write 8 bytes... ldx #8 Write 8 bytes...
.3 lda DS1216E.DATA-1,x .3 lda DS121x.DATA1-1,x
phx phx
ldx #8 ....of 8 bits ldx #8 ....of 8 bits
@ -245,7 +254,7 @@ NSC.Write php
iny iny
.5 pha .5 pha
lda $C100,y Write Pattern bit in A0, with A2=0 lda NSC.IOBASE,y Write Pattern bit in A0, with A2=0
pla pla
dex dex
bne .4 bne .4
@ -262,15 +271,14 @@ NSC.Write php
.8 plp .8 plp
rts rts
*-------------------------------------- *--------------------------------------
NSC.Select NSC.Select sta NSC.IOBASE
sta $C100
* lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
lda $C104 Reset DS1216E comparison register with READ A2=1 lda NSC.IOBASE+4 Reset DS1216E comparison register with READ A2=1
ldy #8 Read 8 bytes... ldy #8 Read 8 bytes...
.3 lda DS1216E.PATTERN-1,y .3 lda DS121x.SIG-1,y
phy phy
ldy #8 ....of 8 bits ldy #8 ....of 8 bits
@ -281,7 +289,7 @@ NSC.Select
inx inx
.5 bit $C100,x Write Pattern bit in A0, with A2=0 .5 bit NSC.IOBASE,x Write Pattern bit in A0, with A2=0
dey dey
bne .4 bne .4
@ -295,7 +303,7 @@ NSC.Select
NSC.Dump >PUSHW L.MSG.READ.OK1 NSC.Dump >PUSHW L.MSG.READ.OK1
ldx #1 ldx #1
ldy #1 ldy #1
lda DS1216E.DATA+3 lda DS121x.DATA1+3
bit #%00010000 bit #%00010000
beq .1 beq .1
@ -314,7 +322,7 @@ NSC.Dump >PUSHW L.MSG.READ.OK1
>SYSCALL PrintF >SYSCALL PrintF
>LDYA L.MSG.READ.OK2.24 >LDYA L.MSG.READ.OK2.24
bit DS1216E.DATA+4 bit DS121x.DATA1+4
bpl .3 bpl .3
>LDYA L.MSG.READ.OK2.12 >LDYA L.MSG.READ.OK2.12
@ -325,25 +333,25 @@ NSC.Dump >PUSHW L.MSG.READ.OK1
>PUSHBI 0 >PUSHBI 0
>SYSCALL PrintF >SYSCALL PrintF
lda DS1216E.DATA lda DS121x.DATA1
jsr PrintBCD jsr PrintBCD
lda #'/' lda #'/'
>SYSCALL PutChar >SYSCALL PutChar
lda DS1216E.DATA+1 lda DS121x.DATA1+1
jsr PrintBCD jsr PrintBCD
lda #'/' lda #'/'
>SYSCALL PutChar >SYSCALL PutChar
lda DS1216E.DATA+2 lda DS121x.DATA1+2
jsr PrintBCD jsr PrintBCD
lda #',' lda #','
>SYSCALL PutChar >SYSCALL PutChar
lda DS1216E.DATA+4 lda DS121x.DATA1+4
bpl .4 bpl .4
and #$1F and #$1F
@ -353,18 +361,18 @@ NSC.Dump >PUSHW L.MSG.READ.OK1
lda #':' lda #':'
>SYSCALL PutChar >SYSCALL PutChar
lda DS1216E.DATA+5 lda DS121x.DATA1+5
jsr PrintBCD jsr PrintBCD
lda #':' lda #':'
>SYSCALL PutChar >SYSCALL PutChar
lda DS1216E.DATA+6 lda DS121x.DATA1+6
jsr PrintBCD jsr PrintBCD
lda #'.' lda #'.'
>SYSCALL PutChar >SYSCALL PutChar
lda DS1216E.DATA+7 lda DS121x.DATA1+7
jsr PrintBCD jsr PrintBCD
>PUSHW L.MSG.CRLF >PUSHW L.MSG.CRLF
@ -424,10 +432,7 @@ MSG.READ.OK2.24 .AZ "24h"
MSG.READ.OK3 .AZ "\r\nCurrent Date/Time : " MSG.READ.OK3 .AZ "\r\nCurrent Date/Time : "
MSG.USAGE .AS "\r\nTo Reset the chip and set clock, type:\r\nNSCUTIL YY/MM/DD,hh:mm:ss" MSG.USAGE .AS "\r\nTo Reset the chip and set clock, type:\r\nNSCUTIL YY/MM/DD,hh:mm:ss"
MSG.CRLF .AZ "\r\n" MSG.CRLF .AZ "\r\n"
DS1216E.PATTERN .HS 5CA33AC55CA33AC5 Reverted 7->0 DS121x.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0
DS1216E.DETECT .BS 8
DS1216E.DATA .BS 8 Reverted YY MM DD Day HH mm SS CS
TmpByte .BS 1
*-------------------------------------- *--------------------------------------
DS.START DS.START
DS.END DS.END

118
ProDOS.FX/ProDOS.S.DCLK.txt Normal file
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@ -0,0 +1,118 @@
NEW
AUTO 3,1
*--------------------------------------
* Driver For DS1215
*--------------------------------------
* we can safely use $200 (used by TCLK)
*--------------------------------------
DS1215.DATA .EQ $200 Reverted YY MM DD Day HH mm SS CS
*--------------------------------------
DCLK.START php
sei
lda $C400
stz $C0C0
ldy #8
stz $C0C2
lda $C0C3
pha
.1 lda DS1215.SIG-1,y
ldx #8
.2 sta $C0C3
stz $C0C0
lsr
dex
bne .2
dey
bne .1
ldx #8
.4 ldy #8
.5 pha
lda $C0C3
lsr
pla
ror
dey
bne .5
pha
lsr
lsr
lsr
lsr
tay
pla
and #$0F
clc
.HS 2C Bit Absolute to skip adc #$0A
.6 adc #$0A
dey
bpl .6
sta DS1215.DATA-1,x
dex
bne .4
pha DS1215.DATA
lda DS1215.DATA+1 Get MM
asl
asl
asl
asl
asl
ora DS1215.DATA+2 Get DD
sta DATELO
* lda DS1215.DATA Get YY
pla
rol
sta DATELO+1
lda DS1215.DATA+5 Get mm
sta TIMELO
lda DS1215.DATA+4 Get HH
sta TIMELO+1
stz $C0C0
pla
sta $C0C3
plp
rts
*--------------------------------------
DS1215.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0
*--------------------------------------
.LIST ON
DCLK.LEN .EQ *-DCLK.START
.LIST OFF
*--------------------------------------
* CONTROL SECTION :
*--------------------------------------
.DO DCLK.LEN>125
ERROR:NCLK Driver too big
.FIN
*--------------------------------------
MAN
SAVE usr/src/prodos.fx/prodos.s.dclk
LOAD usr/src/prodos.fx/prodos.s
ASM

117
ProDOS.FX/ProDOS.S.LDR.txt
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@ -351,10 +351,84 @@ LDR.LCBNK1 lda RRAMWRAMBNK1 switch in LC bank 1
lda RRAMWRAMBNK1 lda RRAMWRAMBNK1
rts rts
*-------------------------------------- *--------------------------------------
DS1216E.DATA1 .EQ idxl DS121x.DATA1 .EQ idxl
DS1216E.DATA2 .EQ A1L DS121x.DATA2 .EQ A1L
*-------------------------------------- *--------------------------------------
LDR.ClkDevScan php LDR.ClkDevScan jsr LDR.IsIIc
bcc LDR.ClkDevNCLK
php
sei
lda $CFFF
lda $C400
ldy #8
stz $C0C0
stz $C0C1
sty $C0C2
lda $C0C3
pha
.1 lda DS121x.SIG-1,y
ldx #8
.2 sta $C0C3
stz $C0C0
lsr
dex
bne .2
dey
bne .1
ldx #8
.4 ldy #8
.5 lda $C0C3
lsr
ror DS121x.DATA1-1,x
dey
bne .5
dex
bne .4
pla
sta $C0C3
plp
sed
ldx #DS121x.ValidHI-DS121x.ValidLO
.6 lda DS121x.DATA1-1,x
cmp DS121x.ValidLO-1,x
bcc LDR.ClkDevNCLK
cmp DS121x.ValidHI-1,x
bcc .7
bne LDR.ClkDevNCLK
.7 dex
bne .6
cld
lda #'D'
ldx PAKME.DCLK
ldy PAKME.DCLK+1
jmp LDR.SetupCLK
*--------------------------------------
LDR.ClkDevNCLK cld
php
sei sei
lda RDCXROM lda RDCXROM
@ -362,30 +436,30 @@ LDR.ClkDevScan php
sta SETCXROM sta SETCXROM
* sta $C100 sta NSC.IOBASE
lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
ldx #8 ldx #8
.1 ldy #8 .1 ldy #8
.2 lda $C104 .2 lda NSC.IOBASE+4
lsr lsr
ror DS1216E.DATA1-1,x ror DS121x.DATA1-1,x
dey dey
bne .2 bne .2
dex dex
bne .1 bne .1
*-------------------------------------- *--------------------------------------
sta $C100 sta NSC.IOBASE
* lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
lda $C104 Reset DS1216E comparison register with READ A2=1 lda NSC.IOBASE+4 Reset DS1216E comparison register with READ A2=1
ldy #8 Read 8 bytes... ldy #8 Read 8 bytes...
.3 lda DS1216E.SIG-1,y .3 lda DS121x.SIG-1,y
phy phy
ldy #8 ....of 8 bits ldy #8 ....of 8 bits
@ -396,7 +470,7 @@ LDR.ClkDevScan php
inx inx
.5 bit $C100,x Write Pattern bit in A0, with A2=0 .5 bit NSC.IOBASE,x Write Pattern bit in A0, with A2=0
dey dey
bne .4 bne .4
@ -409,9 +483,9 @@ LDR.ClkDevScan php
.6 ldy #8 .6 ldy #8
.7 lda $C104 .7 lda NSC.IOBASE+4
lsr lsr
ror DS1216E.DATA2-1,x ror DS121x.DATA2-1,x
dey dey
bne .7 bne .7
@ -427,8 +501,8 @@ LDR.ClkDevScan php
*-------------------------------------- *--------------------------------------
ldx #8 ldx #8
.9 lda DS1216E.DATA1-1,x .9 lda DS121x.DATA1-1,x
cmp DS1216E.DATA2-1,x cmp DS121x.DATA2-1,x
bne .90 bne .90
dex dex
@ -441,7 +515,10 @@ LDR.ClkDevScan php
ldy PAKME.NCLK+1 ldy PAKME.NCLK+1
bra LDR.SetupCLK bra LDR.SetupCLK
*-------------------------------------- *--------------------------------------
LDR.ClkDevTCLK stz idxl LDR.ClkDevTCLK jsr LDR.IsIIc
bcs .9
stz idxl
lda #$C1 lda #$C1
sta idxl+1 sta idxl+1
@ -488,14 +565,13 @@ LDR.ClkDevTCLK stz idxl
cmp #$C8 cmp #$C8
bne .1 bne .1
rts .9 rts
*-------------------------------------- *--------------------------------------
LDR.SetupCLK stx ZPInBufPtr LDR.SetupCLK stx ZPInBufPtr
sty ZPInBufPtr+1 sty ZPInBufPtr+1
sta LDR.MSG.CLK sta LDR.MSG.CLK
bit RROMBNK2
ldx #LDR.MSG.CLK ldx #LDR.MSG.CLK
jsr LDR.PrintX jsr LDR.PrintX
@ -1072,6 +1148,7 @@ LDR.Scr80Init lda #$8C Reset 80 col screen ($0C:HOME)
ldx #LDR.MSG.PRODOS ldx #LDR.MSG.PRODOS
*-------------------------------------- *--------------------------------------
LDR.PrintX bit RROMBNK2 LDR.PrintX bit RROMBNK2
lda INVFLG lda INVFLG
pha pha
jsr SETINV jsr SETINV
@ -1180,7 +1257,9 @@ L2C4D lda 1,s
sec sec
rtl rtl
*-------------------------------------- *--------------------------------------
DS1216E.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0 DS121x.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0
DS121x.ValidLO .HS 00010101 Y,M,D,DoW
DS121x.ValidHI .HS 990C1F07
*-------------------------------------- *--------------------------------------
* id bytes: evens for clock, odds for disk * id bytes: evens for clock, odds for disk
dskid .HS 08.20.28.00.58.03.70 dskid .HS 08.20.28.00.58.03.70

12
ProDOS.FX/ProDOS.S.NCLK.txt
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@ -15,14 +15,14 @@ NCLK.START php
sta SETCXROM sta SETCXROM
sta $C100 sta NSC.IOBASE
* lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
lda $C104 Reset DS1216E comparison register with READ A2=1 lda NSC.IOBASE+4 Reset DS1216E comparison register with READ A2=1
ldy #8 Read 8 bytes... ldy #8 Read 8 bytes...
.1 lda DS1216E.PATTERN-1,y .1 lda DS1216E.SIG-1,y
phy phy
ldy #8 ....of 8 bits ldy #8 ....of 8 bits
@ -33,7 +33,7 @@ NCLK.START php
inx inx
.3 bit $C100,x Write Pattern bit in A0, with A2=0 .3 bit NSC.IOBASE,x Write Pattern bit in A0, with A2=0
dey dey
bne .2 bne .2
@ -47,7 +47,7 @@ NCLK.START php
.4 ldy #8 .4 ldy #8
.5 pha .5 pha
lda $C104 Read Byte... lda NSC.IOBASE+4 Read Byte...
lsr lsr
pla pla
@ -108,7 +108,7 @@ NCLK.START php
.8 plp .8 plp
rts rts
*-------------------------------------- *--------------------------------------
DS1216E.PATTERN .HS 5CA33AC55CA33AC5 Reverted 7->0 DS1216E.SIG .HS 5CA33AC55CA33AC5 Reverted 7->0
*-------------------------------------- *--------------------------------------
.LIST ON .LIST ON
NCLK.LEN .EQ *-NCLK.START NCLK.LEN .EQ *-NCLK.START

11
ProDOS.FX/ProDOS.S.txt
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@ -12,6 +12,8 @@ ACL .EQ 1
LOGO .EQ 1 LOGO .EQ 1
*-------------------------------------- *--------------------------------------
XRWDBG .EQ 0 XRWDBG .EQ 0
*--------------------------------------
NSC.IOBASE .EQ $C300
*-------------------------------------- *--------------------------------------
.INB inc/zp.i .INB inc/zp.i
.INB inc/io.i .INB inc/io.i
@ -214,6 +216,7 @@ PAKME.XDOS .DA XDOS.PAK
PAKME.IRQ .DA IRQ.PAK PAKME.IRQ .DA IRQ.PAK
PAKME.RAM .DA RAM.PAK PAKME.RAM .DA RAM.PAK
PAKME.RAMX .DA RAMX.PAK PAKME.RAMX .DA RAMX.PAK
PAKME.DCLK .DA DCLK.PAK
PAKME.NCLK .DA NCLK.PAK PAKME.NCLK .DA NCLK.PAK
PAKME.TCLK .DA TCLK.PAK PAKME.TCLK .DA TCLK.PAK
PAKME.CCLK .DA CCLK.PAK PAKME.CCLK .DA CCLK.PAK
@ -267,6 +270,12 @@ RAMX.PAK .DA #0
.INB usr/src/prodos.fx/prodos.s.ramx .INB usr/src/prodos.fx/prodos.s.ramx
.EP .EP
DCLK.PAK .DA #0
.DA DCLK.LEN
.PH XDOS.ClockDrv
.INB usr/src/prodos.fx/prodos.s.dclk
.EP
NCLK.PAK .DA #0 NCLK.PAK .DA #0
.DA NCLK.LEN .DA NCLK.LEN
.PH XDOS.ClockDrv .PH XDOS.ClockDrv
@ -299,7 +308,7 @@ SEL2.PAK .DA #0
*-------------------------------------- *--------------------------------------
.AS "PAKME" TAG .AS "PAKME" TAG
.DA $2000 BIN ORG .DA $2000 BIN ORG
.DA #12 Chunk Count .DA #13 Chunk Count
.DA PAKME.Table Chunks .DA PAKME.Table Chunks
*-------------------------------------- *--------------------------------------
MAN MAN

23
SYS/KM.NSC.S.txt
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@ -10,6 +10,8 @@ NEW
.INB inc/monitor.i .INB inc/monitor.i
.INB inc/mli.i .INB inc/mli.i
*-------------------------------------- *--------------------------------------
NSC.IOBASE .EQ $C300
*--------------------------------------
TmpPtr1 .EQ $0 TmpPtr1 .EQ $0
TmpPtr2 .EQ $2 TmpPtr2 .EQ $2
offset .EQ $4 offset .EQ $4
@ -60,14 +62,14 @@ NSC.Detect php
sta SETCXROM sta SETCXROM
sta $C100 sta NSC.IOBASE
* lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
ldx #8 ldx #8
.1 ldy #8 .1 ldy #8
.2 lda $C104 .2 lda NSC.IOBASE+4
lsr lsr
ror DS1216E.DATA1-1,x ror DS1216E.DATA1-1,x
dey dey
@ -76,10 +78,10 @@ NSC.Detect php
dex dex
bne .1 bne .1
sta $C100 sta NSC.IOBASE
* lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
lda $C104 Reset DS1216E comparison register with READ A2=1 lda NSC.IOBASE+4 Reset DS1216E comparison register with READ A2=1
ldy #8 Read 8 bytes... ldy #8 Read 8 bytes...
@ -94,7 +96,7 @@ NSC.Detect php
inx inx
.5 bit $C100,x Write Pattern bit in A0, with A2=0 .5 bit NSC.IOBASE,x Write Pattern bit in A0, with A2=0
dey dey
bne .4 bne .4
@ -107,7 +109,7 @@ NSC.Detect php
.6 ldy #8 .6 ldy #8
.7 lda $C104 .7 lda NSC.IOBASE+4
lsr lsr
ror DS1216E.DATA2-1,x ror DS1216E.DATA2-1,x
dey dey
@ -199,6 +201,7 @@ NSC.MSG2 .AZ -"No DS1216E Detected!"
NSC.MSG3 .AZ -"DS1216E Driver Successfully Installed." NSC.MSG3 .AZ -"DS1216E Driver Successfully Installed."
*-------------------------------------- *--------------------------------------
* Driver For DS1216E * Driver For DS1216E
*--------------------------------------
DS1216E.DATA .EQ $200 Reverted YY MM DD Day HH mm SS CS DS1216E.DATA .EQ $200 Reverted YY MM DD Day HH mm SS CS
*-------------------------------------- *--------------------------------------
NSCDRV.B.START .EQ * NSCDRV.B.START .EQ *
@ -210,10 +213,10 @@ NSCDRV php
sta SETCXROM sta SETCXROM
sta $C100 sta NSC.IOBASE
* lda $C00B Workaround for Ultrawarp bug * lda $C00B Workaround for Ultrawarp bug
lda $C104 Reset DS1216E comparison register with READ A2=1 lda NSC.IOBASE+4 Reset DS1216E comparison register with READ A2=1
ldy #8 Read 8 bytes... ldy #8 Read 8 bytes...
@ -228,7 +231,7 @@ NSCDRV.2 ldx #0
inx inx
NSCDRV.3 bit $C100,x Write Pattern bit in A0, with A2=0 NSCDRV.3 bit NSC.IOBASE,x Write Pattern bit in A0, with A2=0
dey dey
bne NSCDRV.2 bne NSCDRV.2
@ -242,7 +245,7 @@ NSCDRV.3 bit $C100,x Write Pattern bit in A0, with A2=0
NSCDRV.4 ldy #8 NSCDRV.4 ldy #8
NSCDRV.5 pha NSCDRV.5 pha
lda $C104 Read Byte... lda NSC.IOBASE+4 Read Byte...
lsr lsr
pla pla