a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

H-DMA fix

Browse Source
This commit is contained in:
pagefault
2001-09-17 21:43:39 +00:00
parent 21ea6cdf8e
commit ead7ec8cb1
2 changed files with 7 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
zsnes/src/cpu/dma.asm
View File

@@ -23,7 +23,7 @@ EXTSYM memtablew8,regptr
EXTSYM dmadata
EXTSYM hdmatype
EXTSYM nexthdma
EXTSYM curhdma,curypos,disablehdma,hdmadata,hdmadelay,hdmaearlstart
EXTSYM curhdma,curypos,hdmadata,hdmadelay,hdmaearlstart
EXTSYM resolutn
EXTSYM memtabler16
@@ -771,6 +771,7 @@ NEWSYM setuphdma2
NEWSYM hdmastartsc, db 0
NEWSYM hdmarestart, db 0
NEWSYM hdmaoff, db 0
NEWSYM reg420Cw
@@ -778,8 +779,8 @@ NEWSYM reg420Cw
mov bx,[resolutn]
cmp word[curypos],bx
jae near .nohdma
cmp byte[disablehdma],0
jne near .nohdma
cmp byte[hdmaoff],1
je near .nohdma
; jmp starthdma
mov al,[curhdma]
mov [nexthdma],al
@@ -855,6 +856,7 @@ NEWSYM reg420Cw
pop ebx
; call exechdma
; call exechdma
mov byte[hdmaoff],1
.nohdma
mov byte[hdmarestart],0
ret