6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-12-23 04:30:10 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #1716 from Fabrizio-Caruso/GamateConioFix

Browse Source 
[Tentative: please review] Fix Gamate CONIO: non-solid characters bug
This commit is contained in:
Bob Andrews 2022-04-02 15:15:53 +02:00 committed by GitHub
commit d5cb3661f3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
libsrc/gamate/cputc.s
View File

@ -89,28 +89,32 @@ putchar:
adc #>(fontdata-$f8)
sta ptr3+1
lda CHARCOLOR
and #1
beq @skip_plane1
lda #LCD_XPOS_PLANE1
clc
adc CURS_X
sta LCD_X
ldy #$f8
lda CHARCOLOR
and #1
beq @delete1
ldy #$F8
@copylp1:
lda (ptr3),y
eor RVS
sta LCD_DATA
iny
bne @copylp1
beq @skip_delete1
@skip_plane1:
@delete1:
lda #$00
sta LCD_DATA
iny
bne @delete1
lda CHARCOLOR
and #2
beq @skip_plane2
@skip_delete1:
lda #LCD_XPOS_PLANE2
clc
@ -120,16 +124,29 @@ putchar:
ldx CURS_Y
lda _plotlo,x
sta LCD_Y
lda CHARCOLOR
and #2
beq @delete2
ldy #$F8
ldy #$f8
@copylp2:
lda (ptr3),y
eor RVS
sta LCD_DATA
iny
bne @copylp2
beq @skip_delete2
@delete2:
lda #$00
sta LCD_DATA
iny
bne @delete2
@skip_plane2:
@skip_delete2:
pla
tax
ldy CURS_X