6502/of816
1
0
Fork 0
mirror of https://github.com/mgcaret/of816.git synced 2024-05-28 14:41:27 +00:00
Code Issues Projects Releases Wiki Activity

resolve one issue involving comparison with MIN-INT

Browse Source
This commit is contained in:
mgcaret 2019-12-29 12:58:37 -08:00
parent b38171eb29
commit 84c53d35c6
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
asm/mathlib.s
View File

@ -8,14 +8,13 @@
lda STACKBASE+6,x
eor STACKBASE+2,x
bpl samesign
lda STACKBASE+4,x
cmp STACKBASE+0,x
lda STACKBASE+6,x
sbc STACKBASE+2,x
bvs :+
lda STACKBASE+0,x
cmp STACKBASE+4,x
lda STACKBASE+2,x
sbc STACKBASE+6,x
bvc :+
eor #$8000
: sec
rol
: rol
rts
samesign: lda STACKBASE+6,x
cmp STACKBASE+2,x