DSP1 function 0A fix

2001-04-26 11:26:21 +00:00
parent 7402690c08
commit c39b4decfb
5 changed files with 82 additions and 47 deletions
--- a/zsnes/src/video/mode7.mac
+++ b/zsnes/src/video/mode7.mac
@@ -17,6 +17,7 @@



+EXTSYM ScrDispl



@@ -47,6 +48,7 @@
    jz .nonegc
    or bx,1110000000000000b
 .nonegc
+    sub bx,[ScrDispl]
    mov [.cyloc],bx
    mov bx,[mode7Y0]
    and bx,0001111111111111b    ; 13 -> 16 bit signed value
@@ -129,6 +131,7 @@
    jz .nonegc
    or bx,1100000000000000b
 .nonegc
+    sub bx,[ScrDispl]
    mov [.cyloc],bx
    mov bx,[mode7Y0]
    and bx,0001111111111111b    ; 13 -> 16 bit signed value