Apple-2-HW/ProDOS-ROM-Drive
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Fix text display due to change in Y offset

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This commit is contained in:
Terence Boldt 2021-12-23 08:25:28 -05:00
parent f24dcb21d1
commit f9d50f406d
5 changed files with 11 additions and 11 deletions
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Firmware/BlankDriveWithFirmware.po
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10
Firmware/Firmware.asm
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@ -1,5 +1,6 @@
writeLatchHigh = $C081 ;i/o ports to write to
writeLatchLow = $C080 writeLatchHigh = $C081
writeLatchLow = $C080
;temp variables becasue 6502 only has 3 registers ;temp variables becasue 6502 only has 3 registers
highLatch = $F8 highLatch = $F8
@ -57,7 +58,7 @@
ldy #<text ldy #<text
drawtxt: drawtxt:
lda (buflo),y lda (buflo),y
sta $07D0,y ;put text on last line sta $07D0-<text,y ;put text on last line
iny iny
bne drawtxt bne drawtxt
@ -91,7 +92,7 @@ start:
rts ;go back to ProDOS rts ;go back to ProDOS
docmd: docmd:
lda command lda command
beq getstat ;command 0 is GetStatus beq getstat ;command 0 is GetStatus
cmp #$01 cmp #$01
beq readblk ;command 1 is ReadBlock beq readblk ;command 1 is ReadBlock
@ -191,4 +192,3 @@ end:
.byte 0,0 ;0000 blocks = check status .byte 0,0 ;0000 blocks = check status
.byte 3 ;bit 0=read 1=status .byte 3 ;bit 0=read 1=status
.byte <entry ;low byte of entry .byte <entry ;low byte of entry

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Firmware/Firmware.bin
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12
Firmware/Firmware.lst
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@ -2,8 +2,9 @@ ca65 V2.18 - N/A
Main file : Firmware.asm Main file : Firmware.asm
Current file: Firmware.asm Current file: Firmware.asm
000000r 1 writeLatchHigh = $C081 000000r 1 ;i/o ports to write to
000000r 1 writeLatchLow = $C080 000000r 1 writeLatchHigh = $C081
000000r 1 writeLatchLow = $C080
000000r 1 000000r 1
000000r 1 ;temp variables becasue 6502 only has 3 registers 000000r 1 ;temp variables becasue 6502 only has 3 registers
000000r 1 highLatch = $F8 000000r 1 highLatch = $F8
@ -61,7 +62,7 @@ Current file: Firmware.asm
00C721 1 A0 C3 ldy #<text 00C721 1 A0 C3 ldy #<text
00C723 1 drawtxt: 00C723 1 drawtxt:
00C723 1 B1 44 lda (buflo),y 00C723 1 B1 44 lda (buflo),y
00C725 1 99 D0 07 sta $07D0,y ;put text on last line 00C725 1 99 0D 07 sta $07D0-<text,y ;put text on last line
00C728 1 C8 iny 00C728 1 C8 iny
00C729 1 D0 F8 bne drawtxt 00C729 1 D0 F8 bne drawtxt
00C72B 1 00C72B 1
@ -95,7 +96,7 @@ Current file: Firmware.asm
00C754 1 60 rts ;go back to ProDOS 00C754 1 60 rts ;go back to ProDOS
00C755 1 00C755 1
00C755 1 docmd: 00C755 1 docmd:
00C755 1 A5 42 lda command 00C755 1 A5 42 lda command
00C757 1 F0 08 beq getstat ;command 0 is GetStatus 00C757 1 F0 08 beq getstat ;command 0 is GetStatus
00C759 1 C9 01 cmp #$01 00C759 1 C9 01 cmp #$01
00C75B 1 F0 0C beq readblk ;command 1 is ReadBlock 00C75B 1 F0 0C beq readblk ;command 1 is ReadBlock
@ -208,5 +209,4 @@ Current file: Firmware.asm
00C7FC 1 00 00 .byte 0,0 ;0000 blocks = check status 00C7FC 1 00 00 .byte 0,0 ;0000 blocks = check status
00C7FE 1 03 .byte 3 ;bit 0=read 1=status 00C7FE 1 03 .byte 3 ;bit 0=read 1=status
00C7FF 1 35 .byte <entry ;low byte of entry 00C7FF 1 35 .byte <entry ;low byte of entry
00C800 1 00C7FF 1
00C800 1

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Firmware/GamesWithFirmware.po
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