More docs, cleanup and some fixes
(ector I think you'll want to review DSPInterpreter.cpp changes) git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2917 8ced0084-cf51-0410-be5f-012b33b47a6e
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nakeee
parent
d2b11faa05
commit
8e87735afa
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@ -490,6 +490,7 @@ void clrl(const UDSPInstruction& opc)
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g_dsp.r[reg] &= 0x0000;
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// Should this be 64bit?
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// nakee: it says the whole reg in doddie's doc sounds weird
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Update_SR_Register64((s64)reg);
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}
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@ -505,6 +506,10 @@ void clrp(const UDSPInstruction& opc)
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g_dsp.r[0x17] = 0x0010;
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}
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// MULC $acS.m, $axT.h
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// 110s t000 xxxx xxxx
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// Multiply mid part of accumulator register $acS.m by high part $axS.h of
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// secondary accumulator $axS (treat them both as signed).
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void mulc(const UDSPInstruction& opc)
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{
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// math new prod
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@ -517,6 +522,7 @@ void mulc(const UDSPInstruction& opc)
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Update_SR_Register64(prod);
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}
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void mulcmvz(const UDSPInstruction& opc)
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{
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s64 TempProd = dsp_get_long_prod();
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@ -616,12 +622,17 @@ void mulcac(const UDSPInstruction& opc)
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dsp_set_long_acc(rreg, TempProd + g_dsp.r[rreg]);
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}
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// MOVR $acD, $axS.R
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// 0110 0srd xxxx xxxx
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// Moves register $axS.R (sign extended) to middle accumulator $acD.hm.
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// Sets $acD.l to 0.
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void movr(const UDSPInstruction& opc)
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{
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u8 areg = (opc.hex >> 8) & 0x1;
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u8 sreg = ((opc.hex >> 9) & 0x3) + 0x18;
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s64 acc = (s16)g_dsp.r[sreg];
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u8 rreg = ((opc.hex >> 9) & 0x1);
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u8 sreg = ((opc.hex >> 10) & 0x1) + DSP_REG_AXL0;
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s64 acc = (s16)g_dsp.r[sreg + rreg];
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acc <<= 16;
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acc &= ~0xffff;
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@ -630,24 +641,18 @@ void movr(const UDSPInstruction& opc)
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Update_SR_Register64(acc);
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}
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// MOVAX $acD, $axS
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// 0110 10sd xxxx xxxx
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// Moves secondary accumulator $axS to accumulator $axD.
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void movax(const UDSPInstruction& opc)
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{
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u8 sreg = (opc.hex >> 9) & 0x1;
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u8 dreg = (opc.hex >> 8) & 0x1;
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u8 sreg = (opc.hex >> 9) & 0x1;
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g_dsp.r[0x1c + dreg] = g_dsp.r[0x18 + sreg];
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g_dsp.r[0x1e + dreg] = g_dsp.r[0x1a + sreg];
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s64 acx = dsp_get_long_acx(sreg);
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dsp_set_long_acc(dreg, acx);
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if ((s16)g_dsp.r[0x1a + sreg] < 0)
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{
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g_dsp.r[0x10 + dreg] = 0xffff;
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}
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else
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{
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g_dsp.r[0x10 + dreg] = 0;
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}
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tsta(dreg);
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Update_SR_Register64(acx);
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}
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void xorr(const UDSPInstruction& opc)
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@ -877,6 +882,10 @@ void addpaxz(const UDSPInstruction& opc)
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Update_SR_Register64(acc);
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}
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// MOVPZ $acD
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// 1111 111d xxxx xxxx
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// Moves multiply product from $prod register to accumulator $acD
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// register and sets $acD.l to 0
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void movpz(const UDSPInstruction& opc)
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{
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u8 dreg = (opc.hex >> 8) & 0x01;
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@ -956,6 +965,8 @@ void movnp(const UDSPInstruction& opc)
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s64 prod = dsp_get_long_prod();
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s64 acc = -prod;
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dsp_set_long_acc(dreg, acc);
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Update_SR_Register64(acc);
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}
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// MOV $acD, $ac(1-D)
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@ -964,9 +975,10 @@ void movnp(const UDSPInstruction& opc)
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void mov(const UDSPInstruction& opc)
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{
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u8 D = (opc.hex >> 8) & 0x1;
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u16 acc = dsp_get_acc_m(1 - D);
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u16 acc = dsp_get_long_acc(1 - D);
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dsp_set_long_acc(D, acc);
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Update_SR_Register64(acc);
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}
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// ADDAX $acD, $axS
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@ -1023,10 +1035,10 @@ void subax(const UDSPInstruction& opc)
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int regD = (opc.hex >> 8) & 0x1;
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int regT = (opc.hex >> 9) & 0x1;
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s64 Acc = dsp_get_long_acc(regD) - dsp_get_long_acx(regT);
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s64 acc = dsp_get_long_acc(regD) - dsp_get_long_acx(regT);
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dsp_set_long_acc(regD, Acc);
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Update_SR_Register64(Acc);
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dsp_set_long_acc(regD, acc);
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Update_SR_Register64(acc);
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}
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// ADDIS $acD, #I
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@ -1076,6 +1088,11 @@ void lsl16(const UDSPInstruction& opc)
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Update_SR_Register64(acc);
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}
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// MADD $axS.l, $axS.h
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// 1111 001s xxxx xxxx
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// Multiply low part $axS.l of secondary accumulator $axS by high part
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// $axS.h of secondary accumulator $axS (treat them both as signed) and add
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// result to product register.
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void madd(const UDSPInstruction& opc)
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{
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u8 sreg = (opc.hex >> 8) & 0x1;
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@ -1085,6 +1102,11 @@ void madd(const UDSPInstruction& opc)
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dsp_set_long_prod(prod);
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}
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// MSUB $axS.l, $axS.h
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// 1111 011s xxxx xxxx
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// Multiply low part $axS.l of secondary accumulator $axS by high part
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// $axS.h of secondary accumulator $axS (treat them both as signed) and
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// subtract result from product register.
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void msub(const UDSPInstruction& opc)
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{
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u8 sreg = (opc.hex >> 8) & 0x1;
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@ -1295,15 +1317,23 @@ void srbith(const UDSPInstruction& opc)
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//-------------------------------------------------------------
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// MOVP $acD
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// 0110 111d xxxx xxxx
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// Moves multiply product from $prod register to accumulator $acD register.
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void movp(const UDSPInstruction& opc)
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{
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u8 dreg = (opc.hex >> 8) & 0x1;
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s64 prod = dsp_get_long_prod();
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s64 acc = prod;
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dsp_set_long_acc(dreg, acc);
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dsp_set_long_acc(dreg, prod);
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Update_SR_Register64(prod);
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}
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// MUL $axS.l, $axS.h
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// 1001 s000 xxxx xxxx
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// Multiply low part $axS.l of secondary accumulator $axS by high part
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// $axS.h of secondary accumulator $axS (treat them both as signed).
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void mul(const UDSPInstruction& opc)
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{
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u8 sreg = (opc.hex >> 11) & 0x1;
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@ -1311,9 +1341,15 @@ void mul(const UDSPInstruction& opc)
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dsp_set_long_prod(prod);
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// FIXME: no update in doddie's docs
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Update_SR_Register64(prod);
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}
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// MULAC $axS.l, $axS.h, $acR
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// 1001 s10r xxxx xxxx
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// Add product register to accumulator register $acR. Multiply low part
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// $axS.l of secondary accumulator $axS by high part $axS.h of secondary
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// accumulator $axS (treat them both as signed).
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void mulac(const UDSPInstruction& opc)
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{
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// add old prod to acc
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@ -1321,11 +1357,12 @@ void mulac(const UDSPInstruction& opc)
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s64 acR = dsp_get_long_acc(rreg) + dsp_get_long_prod();
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dsp_set_long_acc(rreg, acR);
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// math new prod
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// calculate new prod
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u8 sreg = (opc.hex >> 11) & 0x1;
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s64 prod = dsp_get_ax_l(sreg) * dsp_get_ax_h(sreg) * GetMultiplyModifier();
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dsp_set_long_prod(prod);
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// FIXME: no update in doddie's docs
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Update_SR_Register64(prod);
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}
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@ -1458,6 +1495,11 @@ void sub(const UDSPInstruction& opc)
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//
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//-------------------------------------------------------------
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// MADDX ax0.S ax1.T
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// 1110 00st xxxx xxxx
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// Multiply one part of secondary accumulator $ax0 (selected by S) by
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// one part of secondary accumulator $ax1 (selected by T) (treat them both as
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// signed) and add result to product register.
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void maddx(const UDSPInstruction& opc)
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{
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u8 sreg = (opc.hex >> 9) & 0x1;
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@ -1471,6 +1513,11 @@ void maddx(const UDSPInstruction& opc)
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dsp_set_long_prod(prod);
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}
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// MSUBX $(0x18+S*2), $(0x19+T*2)
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// 1110 01st xxxx xxxx
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// Multiply one part of secondary accumulator $ax0 (selected by S) by
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// one part of secondary accumulator $ax1 (selected by T) (treat them both as
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// signed) and subtract result from product register.
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void msubx(const UDSPInstruction& opc)
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{
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u8 sreg = (opc.hex >> 9) & 0x1;
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@ -1484,6 +1531,11 @@ void msubx(const UDSPInstruction& opc)
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dsp_set_long_prod(prod);
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}
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// MADDC $acS.m, $axT.h
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// 1110 10st xxxx xxxx
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// Multiply middle part of accumulator $acS.m by high part of secondary
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// accumulator $axT.h (treat them both as signed) and add result to product
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// register.
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void maddc(const UDSPInstruction& opc)
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{
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u32 sreg = (opc.hex >> 9) & 0x1;
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@ -1497,6 +1549,11 @@ void maddc(const UDSPInstruction& opc)
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dsp_set_long_prod(prod);
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}
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// MSUBC $acS.m, $axT.h
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// 1110 11st xxxx xxxx
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// Multiply middle part of accumulator $acS.m by high part of secondary
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// accumulator $axT.h (treat them both as signed) and subtract result from
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// product register.
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void msubc(const UDSPInstruction& opc)
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{
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u32 sreg = (opc.hex >> 9) & 0x1;
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@ -35,33 +35,6 @@
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#include "Tools.h"
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#ifndef NULL
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#define NULL 0
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#endif
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const char* reg_names[] =
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{
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// a0
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"COEF_A1_0", "COEF_A2_0", "COEF_A1_1", "COEF_A2_1", "COEF_A1_2", "COEF_A2_2", "COEF_A1_3", "COEF_A2_3",
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"COEF_A1_4", "COEF_A2_4", "COEF_A1_5", "COEF_A2_5", "COEF_A1_6", "COEF_A2_6", "COEF_A1_7", "COEF_A2_7",
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// b0
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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// c0
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, "DSCR", NULL, "DSBL", NULL, "DSPA", "DSMAH", "DSMAL",
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// d0
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NULL, "SampleFormat", NULL, NULL, "ACSAH", "ACSAL", "ACEAH", "ACEAL",
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"ACCAH", "ACCAL", "PRED_SCALE", "YN1", "YN2", "ARAM", "GAIN", NULL,
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// e0
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, "AMDM",
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// f0
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, "DMBH", "DMBL", "CMBH", "CMBL",
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};
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void gdsp_dma();
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#if WITH_DSP_ON_THREAD
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@ -185,27 +185,6 @@ THREAD_RETURN dsp_thread(void* lpParameter)
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return 0;
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}
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// Debug thread
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THREAD_RETURN dsp_thread_debug(void* lpParameter)
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{
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#if defined(HAVE_WX) && HAVE_WX
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while (bIsRunning)
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{
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// Logging(); // logging
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if (m_DebuggerFrame->CanDoStep())
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{
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gdsp_runx(1);
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}
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else
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{
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SLEEP(100);
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}
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}
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#endif
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return NULL;
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}
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void DSP_DebugBreak()
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{
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#if defined(HAVE_WX) && HAVE_WX
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@ -369,10 +348,6 @@ void DSP_SendAIBuffer(unsigned int address, int sample_rate)
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{
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samples[i] = Memory_Read_U16(address + i * 2);
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}
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// Write the audio to a file
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//if (log_ai)
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// g_wave_writer.AddStereoSamples(samples, 8);
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}
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soundStream->GetMixer()->PushSamples(samples, 32 / 4, sample_rate);
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}
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