Apple-2-SW/prog8
1
0
Fork 0
mirror of https://github.com/irmen/prog8.git synced 2025-01-10 20:30:23 +00:00
Code Issues Projects Releases Wiki Activity

fix possible gfx2 color problem in 2bpp mode

Browse Source
This commit is contained in:
Irmen de Jong 2024-08-23 19:48:23 +02:00
parent 2967866e3d
commit e2592b4e0b
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
compiler/res/prog8lib/cx16/gfx2.p8
View File

@ -255,6 +255,7 @@ gfx2 {
;; color <<= gfx2.plot.shift4c[lsb(xx) & 3]
cx16.r2L = lsb(xx) & 3
when color & 3 {
0 -> color = 0
1 -> color = gfx2.plot.shiftedleft_4c_1[cx16.r2L]
2 -> color = gfx2.plot.shiftedleft_4c_2[cx16.r2L]
3 -> color = gfx2.plot.shiftedleft_4c_3[cx16.r2L]
@ -548,6 +549,7 @@ gfx2 {
; color &= 3
; color <<= shift4c[cx16.r2L]
when color & 3 {
0 -> color = 0
1 -> color = shiftedleft_4c_1[cx16.r2L]
2 -> color = shiftedleft_4c_2[cx16.r2L]
3 -> color = shiftedleft_4c_3[cx16.r2L]