Apple-2-Tools/4cade
1
0
Fork 0
mirror of https://github.com/a2-4am/4cade.git synced 2024-12-29 10:33:08 +00:00
Code Issues Projects Releases Wiki Activity

shave some cycles (load X directly)

Browse Source
This commit is contained in:
4am 2020-11-23 12:23:54 -05:00
parent a5807e8577
commit d0745e7941
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/fx/fx.dhgr.precomputed.1bit.a
View File

@ -70,9 +70,8 @@ Exit1Bit rts
InputLoop InputLoop
ldy #0 ldy #0
input=*+1 input=*+1
lda .coords, y ; first value: HGR row (only 0..95 will be in input array) ldx .coords, y ; first value: HGR row (only 0..95 will be in input array)
bmi Exit1Bit ; if > 127 then we're done bmi Exit1Bit ; if > 127 then we're done
tax
+ROW_X_TO_BASE_ADDRESSES +ROW_X_TO_BASE_ADDRESSES
+ROW_X_TO_MIRROR_ADDRESSES +ROW_X_TO_MIRROR_ADDRESSES