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S-DD1 mods

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This commit is contained in:
zsknight
2001-05-16 02:17:55 +00:00
parent 8170188f42
commit 7bef8304a6
2 changed files with 22 additions and 15 deletions
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1
zsnes/src/cpu/execute.asm
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@@ -1303,6 +1303,7 @@ NEWSYM endprog
EXTSYM SDD1Array,SDD1Entry,SDD1Sort EXTSYM SDD1Array,SDD1Entry,SDD1Sort
call SDD1Sort call SDD1Sort
jmp .nodecomppack
cmp byte[SDD1Enable],0 cmp byte[SDD1Enable],0
jne .yesdecomppack jne .yesdecomppack
cmp dword[SDD1Entry],0 cmp dword[SDD1Entry],0

36
zsnes/src/cpu/memory.asm
View File

@@ -656,6 +656,7 @@ NEWSYM SprValAdd, db 0
C4Data dd 0 C4Data dd 0
C4sprites dd 0 C4sprites dd 0
OBClog dd 0 OBClog dd 0
NumSprites db 0
NEWSYM InitOBC NEWSYM InitOBC
pushad pushad
@@ -690,10 +691,11 @@ NEWSYM InitOBC
OBCSprites: OBCSprites:
pushad pushad
mov byte[NumSprites],0
mov esi,[C4Ram] mov esi,[C4Ram]
mov edi,esi mov edi,esi
add edi,1800h add edi,1800h
add byte[OBCRegArray],1 add byte[OBCRegArray],2
and byte[OBCRegArray],0FEh and byte[OBCRegArray],0FEh
.loop .loop
cmp byte[OBCRegArray],0 cmp byte[OBCRegArray],0
@@ -709,12 +711,6 @@ OBCSprites:
mov al,[esi+9] mov al,[esi+9]
mov [edi+ebx+1],al mov [edi+ebx+1],al
mov al,[esi+10] ;2,10 mov al,[esi+10] ;2,10
; cmp byte[esi+18],0
; je .zero
; mov al,[esi+17]
; mov [edi+ebx+1],al
; mov al,[esi+18]
;.zero
mov [edi+ebx+2],al mov [edi+ebx+2],al
mov al,[esi+0Bh] mov al,[esi+0Bh]
mov byte[edi+ebx+3],al mov byte[edi+ebx+3],al
@@ -736,9 +732,15 @@ OBCSprites:
and byte[edi+ebx],ah and byte[edi+ebx],ah
or byte[edi+ebx],al or byte[edi+ebx],al
inc byte[NumSprites]
add esi,16 add esi,16
jmp .loop jmp .loop
.nomore .nomore
mov esi,[C4Ram]
mov edi,esi
add edi,1800h
; mov dword[edi+200h],0AAAAAAAAh
popad popad
ret ret
@@ -746,19 +748,20 @@ OBCClear:
call OBCSprites call OBCSprites
mov dword[OBCRegArray],0 mov dword[OBCRegArray],0
mov dword[OBCRegArray+4],0 mov dword[OBCRegArray+4],0
mov byte[OBCRegArray],0FFh mov byte[OBCRegArray],0FEh
mov byte[clearmem],1 mov byte[clearmem],1
mov dword[OBClog],0 mov dword[OBClog],0
ret ret
; Affected values: 0,1,2,3,4,6,7,9,A,B ; Affected values: 0,1,2,3,4,6,7,9,A,B
; 0,1 - Another X value? ; 0,1 - Another X value (unused?)
; 2 - OAM value? ; 2 - OAM value
; 3/4 - X value (bits 0-8) ; 3/4 - X value (bits 0-8)
; 5 - N/A (not written to)
; 6 - OAM # ; 6 - OAM #
; 7 - Always 0? ; 7 - Always 0?
; 9 - Y value (bits 0-7) ; 9 - Y value (bits 0-7)
; A - OAM value? ; A - OAM value
; B - OAM Status ; B - OAM Status
; X,Y,OAM,Attr / xhighbit / OAM highbit / Sprite size ; X,Y,OAM,Attr / xhighbit / OAM highbit / Sprite size
;bit 0 = OAM b8, bit 1-3 = palette number bit 4,5 = playfield priority ;bit 0 = OAM b8, bit 1-3 = palette number bit 4,5 = playfield priority
@@ -779,7 +782,7 @@ OBCRegs:
mov [ebx],cl mov [ebx],cl
cmp cl,6 cmp cl,6
jne .notsix jne .notsix
add byte[OBCRegArray],1 add byte[OBCRegArray],2
mov bl,[OBCRegArray] mov bl,[OBCRegArray]
mov bh,bl mov bh,bl
mov [OBCRegArray+1],bl mov [OBCRegArray+1],bl
@@ -800,15 +803,18 @@ OBCRegs:
.noclearmem .noclearmem
xor ebx,ebx xor ebx,ebx
mov bl,[OBCRegArray+ecx] mov bl,[OBCRegArray+ecx]
; mov dl,[OBCIncArray+ecx] cmp byte[OBCIncArray+ecx],1
jne .noinc
or byte[OBCRegArray+ecx],1 or byte[OBCRegArray+ecx],1
.noinc
inc byte[OBCRegArray+ecx]
shl ebx,3 shl ebx,3
add ecx,ebx add ecx,ebx
add ecx,[C4Ram] add ecx,[C4Ram]
mov byte[ecx],al mov byte[ecx],al
; cmp dl,1 ; cmp dl,1
; jne .second ; jne .second
; mov byte[ecx+8],0FFh mov byte[ecx+8],0FFh
; jmp .first ; jmp .first
;.second ;.second
; mov byte[ecx+16],0FFh ; mov byte[ecx+16],0FFh
@@ -4370,7 +4376,7 @@ NEWSYM SDD1EntryPtr, dd 0
NEWSYM LatestBank, dd 0FFFFh NEWSYM LatestBank, dd 0FFFFh
NEWSYM memaccessbankr8sdd1 NEWSYM memaccessbankr8sdd1
; TestSDD1 ; TestSDD1
; jmp debugdecompress jmp debugdecompress
; call FillArray ; call FillArray
mov byte[.found4],0 mov byte[.found4],0