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DSP1proc mod for Inverse function

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zsknight
2001-04-25 02:50:51 +00:00
parent d84245aeda
commit d4e4f04bac
1 changed files with 9 additions and 6 deletions
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15
zsnes/src/chips/dsp1proc.asm
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@@ -18,7 +18,7 @@
%include "macros.mac"
EXTSYM regaccessbankr8,regaccessbankr16,regaccessbankw8,regaccessbankw16
EXTSYM DSPOp0A,Op0AA,Op0AB,Op0AC,Op0AD,Op0AVS
EXTSYM DSPOp0A,Op0AA,Op0AB,Op0AC,Op0AD,Op0AVS,DSPOp10
EXTSYM debstop
EXTSYM DSPOp00,Op00Multiplicand,Op00Multiplier
EXTSYM Op00Result
@@ -311,18 +311,21 @@ DSP1_00: ; 16-bit multiply
mov byte[DSP1RLeft],1
pop eax
ret
EXTSYM Op10Exponent, Op10ExponentR
EXTSYM Op10Coefficient, Op10CoefficientR
DSP1_10: ; Inverse
push eax
mov ax,[DSP1VARS]
; mov [Op10a],ax
mov [Op10Coefficient],ax
mov ax,[DSP1VARS+2]
; mov [Op10b],ax
mov [Op10Exponent],ax
pushad
; call DSPOp10
call DSPOp10
popad
; mov ax,[Op10A]
mov ax,[Op10CoefficientR]
mov [DSP1RET],ax
; mov ax,[Op10B]
mov ax,[Op10ExponentR]
mov [DSP1RET+2],ax
mov byte[DSP1RLeft],2
pop eax