Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-20 23:42:22 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

fix B mask on XDS,XIS

Browse Source
This commit is contained in:
hap 2015-05-01 19:15:10 +02:00
parent 23d09f8ef8
commit 7ca53964f5
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/emu/cpu/cop400/cop400op.inc
View File

@ -731,7 +731,7 @@ INSTRUCTION( xds )
A = t;
Bd = ((B & 0x0f) - 1) & 0x0f;
B = (B & 0x30) | Bd;
B = (B & 0x70) | Bd;
B = B ^ r;
@ -766,7 +766,7 @@ INSTRUCTION( xis )
A = t;
Bd = ((B & 0x0f) + 1) & 0x0f;
B = (B & 0x30) | Bd;
B = (B & 0x70) | Bd;
B = B ^ r;