Fixed Dezaemon sprites (Clear entire OAM address when first byte is written to, but not the second)

2001-06-27 22:02:57 +00:00
parent 123ea285b0
commit 6db183777d
2 changed files with 3 additions and 2 deletions
--- a/zsnes/src/cpu/regs.inc
+++ b/zsnes/src/cpu/regs.inc
@@ -695,7 +695,7 @@ reg213Er:

 ; PPU Status Flag & Version number (NTSC/PAL/EXTRN Latch flag)
 reg213Fr:
-    mov byte[debstop3],1
+;    mov byte[debstop3],1
    mov al,[romispal]
    shl al,4
    or al,[cfield]
--- a/zsnes/src/cpu/regsw.inc
+++ b/zsnes/src/cpu/regsw.inc
@@ -494,6 +494,7 @@ reg2101w:

 ; OAM address register
 reg2102w:
+    mov word[oamaddr],0
    shr word[oamaddr],1
    mov [oamaddr],al
    shl word[oamaddr],1
@@ -553,7 +554,7 @@ reg2104w:
    je .noinc
    inc dword[oamaddr]
    cmp ebx,544
-    je .overflow
+    jae .overflow
 .noinc
    mov [oamram+ebx],al
    ret