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c65 target: conio accesses all color RAM in 80x25 text mode

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This commit is contained in:
Dan Sanderson
2025-11-18 00:36:10 -08:00
parent 640206696f
commit 18e9c6f6a0
2 changed files with 20 additions and 0 deletions
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11
libsrc/c65/cpeekcolor.s
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@@ -18,8 +18,19 @@ _cpeekcolor:
lda SCREEN_PTR lda SCREEN_PTR
sta ptr1 sta ptr1
php
sei
lda $d030
ora #$01
sta $d030
ldy #0 ldy #0
lda (ptr1),y lda (ptr1),y
tay
lda $d030
and #$fe
sta $d030
plp
tya
ldx #>$0000 ldx #>$0000
rts rts

9
libsrc/c65/cputc.s
View File

@@ -116,7 +116,16 @@ putchar:
adc #>$d000 adc #>$d000
sta ptr4 + 1 sta ptr4 + 1
php
sei
lda $d030
ora #$01
sta $d030
lda CHARCOLOR lda CHARCOLOR
sta (ptr4),y ; Set color sta (ptr4),y ; Set color
lda $d030
and #$fe
sta $d030
plp
rts rts