DSP1 function 0A fix

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

zsnes/src/video/mode716.asm

@@ -650,6 +650,8 @@ CalculateNewValues:
 .noflip
     add ax,[BG1SYl+ebx*2+2]
     add eax,ecx
+    sub ax,[ScrDispl]
+    sub ax,[ScrDispl]
     ret
 
 

zsnes/src/video/mode716.mac

@@ -18,10 +18,7 @@
 
 EXTSYM BGMS1,FillSubScr,CMainWinScr,CSubWinScr,scadtng
 EXTSYM ngwinen, winbg1enval, BuildWindow, ngwintable, ngcwinptr, domosaicng16b
-EXTSYM pesimpng
-
-
-
+EXTSYM pesimpng,ScrDispl
 
 
 
@@ -125,6 +122,7 @@ EXTSYM pesimpng
     jz .nonegc
     or bx,1110000000000000b
 .nonegc
+    sub bx,[ScrDispl]
     mov [mcyloc],bx
     mov bx,[mode7Y0]
     and bx,0001111111111111b    ; 13 -> 16 bit signed value
@@ -190,6 +188,7 @@ EXTSYM pesimpng
     and bx,0001111111111111b    ; 13 -> 16 bit signed value
     test bx,0001000000000000b
     jz .nonegacb
+    or word[mode7X0],1110000000000000b    
     or bx,1110000000000000b    
 .nonegacb
     mov [mcxloc],bx
@@ -211,6 +210,7 @@ EXTSYM pesimpng
     and bx,0001111111111111b    ; 13 -> 16 bit signed value
     test bx,0001000000000000b
     jz .nonegdcb
+    or word[mode7Y0],1110000000000000b    
     or bx,1110000000000000b
 .nonegdcb
     add bx,bx