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some docs small clean up fixed the loop size correctly I hope this time

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2893 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee 2009-04-06 09:42:29 +00:00
parent 956b06700d
commit 5f5b43c659
3 changed files with 137 additions and 50 deletions
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144
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPInterpreter.cpp
View File

@ -145,7 +145,8 @@ void loop(const UDSPInstruction& opc)
g_dsp.pc = loop_pc;
}
g_dsp.pc = loop_pc + opSize[dsp_peek_code()];
// g_dsp.pc = loop_pc;
g_dsp.pc =+ opSize[dsp_peek_code()];
}
void loopi(const UDSPInstruction& opc)
@ -159,7 +160,8 @@ void loopi(const UDSPInstruction& opc)
g_dsp.pc = loop_pc;
}
g_dsp.pc = loop_pc + opSize[dsp_peek_code()];
// g_dsp.pc = loop_pc;
g_dsp.pc =+ opSize[dsp_peek_code()];
}
void bloop(const UDSPInstruction& opc)
@ -176,7 +178,8 @@ void bloop(const UDSPInstruction& opc)
}
else
{
g_dsp.pc = loop_pc + opSize[dsp_peek_code()];
g_dsp.pc = loop_pc;
g_dsp.pc =+ opSize[dsp_peek_code()];
}
}
@ -193,7 +196,8 @@ void bloopi(const UDSPInstruction& opc)
}
else
{
g_dsp.pc = loop_pc + opSize[dsp_peek_code()];
g_dsp.pc = loop_pc;
g_dsp.pc =+ opSize[dsp_peek_code()];
}
}
@ -208,6 +212,10 @@ void mrr(const UDSPInstruction& opc)
dsp_op_write_reg(dreg, val);
}
// LRR $D, @$S
// 0001 1000 0ssd dddd
// Move value from data memory pointed by addressing register $S toregister $D.
// FIXME: Perform additional operation depending on destination register.
void lrr(const UDSPInstruction& opc)
{
u8 sreg = (opc.hex >> 5) & 0x3;
@ -215,27 +223,59 @@ void lrr(const UDSPInstruction& opc)
u16 val = dsp_dmem_read(g_dsp.r[sreg]);
dsp_op_write_reg(dreg, val);
}
// post processing of source reg
switch ((opc.hex >> 7) & 0x3)
// LRRD $D, @$S
// 0001 1000 1ssd dddd
// Move value from data memory pointed by addressing register $S toregister $D.
// Decrement register $S.
// FIXME: Perform additional operation depending on destination register.
void lrrd(const UDSPInstruction& opc)
{
case 0x0: // LRR
break;
u8 sreg = (opc.hex >> 5) & 0x3;
u8 dreg = opc.hex & 0x1f;
case 0x1: // LRRD
u16 val = dsp_dmem_read(g_dsp.r[sreg]);
dsp_op_write_reg(dreg, val);
g_dsp.r[sreg]--;
break;
}
case 0x2: // LRRI
// LRRI $D, @$S
// 0001 1001 0ssd dddd
// Move value from data memory pointed by addressing register $S to register $D.
// Increment register $S.
// FIXME: Perform additional operation depending on destination register.
void lrri(const UDSPInstruction& opc)
{
u8 sreg = (opc.hex >> 5) & 0x3;
u8 dreg = opc.hex & 0x1f;
u16 val = dsp_dmem_read(g_dsp.r[sreg]);
dsp_op_write_reg(dreg, val);
g_dsp.r[sreg]++;
break;
case 0x3: // LRRN
}
// LRRN $D, @$S
// 0001 1001 1ssd dddd
// Move value from data memory pointed by addressing register $S to register $D.
// Add indexing register $(0x4+S) to register $S.
// FIXME: Perform additional operation depending on destination register.
void lrrn(const UDSPInstruction& opc)
{
u8 sreg = (opc.hex >> 5) & 0x3;
u8 dreg = opc.hex & 0x1f;
u16 val = dsp_dmem_read(g_dsp.r[sreg]);
dsp_op_write_reg(dreg, val);
g_dsp.r[sreg] += g_dsp.r[sreg + 4];
break;
}
}
// SRR @$D, $S
// 0001 1010 0dds ssss
// Store value from source register $S to a memory location pointed by
// addressing register $D.
// FIXME: Perform additional operation depending on source register.
void srr(const UDSPInstruction& opc)
{
u8 dreg = (opc.hex >> 5) & 0x3;
@ -243,25 +283,51 @@ void srr(const UDSPInstruction& opc)
u16 val = dsp_op_read_reg(sreg);
dsp_dmem_write(g_dsp.r[dreg], val);
// post processing of dest reg
switch ((opc.hex >> 7) & 0x3)
{
case 0x0: // SRR
break;
case 0x1: // SRRD
g_dsp.r[dreg]--;
break;
case 0x2: // SRRI
g_dsp.r[dreg]++;
break;
case 0x3: // SRRX
g_dsp.r[dreg] += g_dsp.r[dreg + 4];
break;
}
// SRRD @$D, $S
// 0001 1010 1dds ssss
// Store value from source register $S to a memory location pointed by
// addressing register $D. Decrement register $D.
// FIXME: Perform additional operation depending on source register.
void srrd(const UDSPInstruction& opc)
{
u8 dreg = (opc.hex >> 5) & 0x3;
u8 sreg = opc.hex & 0x1f;
u16 val = dsp_op_read_reg(sreg);
dsp_dmem_write(g_dsp.r[dreg], val);
g_dsp.r[dreg]--;
}
// SRRI @$D, $S
// 0001 1011 0dds ssss
// Store value from source register $S to a memory location pointed by
// addressing register $D. Increment register $D.
// FIXME: Perform additional operation depending on source register.
void srri(const UDSPInstruction& opc)
{
u8 dreg = (opc.hex >> 5) & 0x3;
u8 sreg = opc.hex & 0x1f;
u16 val = dsp_op_read_reg(sreg);
dsp_dmem_write(g_dsp.r[dreg], val);
g_dsp.r[dreg]++;
}
// SRRN @$D, $S
// 0001 1011 1dds ssss
// Store value from source register $S to a memory location pointed by
// addressing register $D. Add indexing register $(0x4+D) to register $D.
// FIXME: Perform additional operation depending on source register.
void srrn(const UDSPInstruction& opc)
{
u8 dreg = (opc.hex >> 5) & 0x3;
u8 sreg = opc.hex & 0x1f;
u16 val = dsp_op_read_reg(sreg);
dsp_dmem_write(g_dsp.r[dreg], val);
g_dsp.r[dreg] += g_dsp.r[dreg + 4];
}
// FIXME inside
@ -1354,6 +1420,12 @@ void msubc(const UDSPInstruction& opc)
dsp_set_long_prod(prod);
}
// SRS @M, $(0x18+S)
// 0010 1sss mmmm mmmm
// Store value from register $(0x18+S) to a memory pointed by address M.
// (8-bit sign extended).
// FIXME: Perform additional operation depending on destination register.
// Note: pc+=2 in doddie's doc seems wrong
void srs(const UDSPInstruction& opc)
{
u8 reg = ((opc.hex >> 8) & 0x7) + 0x18;
@ -1361,6 +1433,12 @@ void srs(const UDSPInstruction& opc)
dsp_dmem_write(addr, g_dsp.r[reg]);
}
// LRS $(0x18+D), @M
// 0010 0ddd mmmm mmmm
// Move value from data memory pointed by address M (8-bit sign
// extended) to register $(0x18+D).
// FIXME: Perform additional operation depending on destination register.
// Note: pc+=2 in doddie's doc seems wrong
void lrs(const UDSPInstruction& opc)
{
u8 reg = ((opc.hex >> 8) & 0x7) + 0x18;

6
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPInterpreter.h
View File

@ -41,7 +41,13 @@ void bloop(const UDSPInstruction& opc);
void bloopi(const UDSPInstruction& opc);
void mrr(const UDSPInstruction& opc);
void lrr(const UDSPInstruction& opc);
void lrrd(const UDSPInstruction& opc);
void lrri(const UDSPInstruction& opc);
void lrrn(const UDSPInstruction& opc);
void srr(const UDSPInstruction& opc);
void srrd(const UDSPInstruction& opc);
void srri(const UDSPInstruction& opc);
void srrn(const UDSPInstruction& opc);
void lri(const UDSPInstruction& opc);
void lris(const UDSPInstruction& opc);
void lr(const UDSPInstruction& opc);

21
Source/Plugins/Plugin_DSP_LLE-testing/Src/DSPTables.cpp
View File

@ -185,19 +185,22 @@ DSPOPCTemplate opcodes[] =
{"ILRRI", 0x0218, 0xfedc, DSPInterpreter::ilrr, nop, 1, 2, {{P_ACCM, 1, 0, 8, 0x0100}, {P_PRG, 1, 0, 0, 0x0003}}, NULL, NULL},
// load and store value pointed by indexing reg and increment; LRR/SRR variants
{"LRRI", 0x1900, 0xff80, DSPInterpreter::lrr, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"LRRD", 0x1880, 0xff80, DSPInterpreter::lrr, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"LRRN", 0x1980, 0xff80, DSPInterpreter::lrr, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"LRR", 0x1800, 0xff80, DSPInterpreter::lrr, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"SRRI", 0x1b00, 0xff80, DSPInterpreter::srr, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"SRRD", 0x1a80, 0xff80, DSPInterpreter::srr, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"SRRN", 0x1b80, 0xff80, DSPInterpreter::srr, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"SRR", 0x1a00, 0xff80, DSPInterpreter::srr, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"LRRD", 0x1880, 0xff80, DSPInterpreter::lrrd, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"LRRI", 0x1900, 0xff80, DSPInterpreter::lrri, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"LRRN", 0x1980, 0xff80, DSPInterpreter::lrrn, nop, 1, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_PRG, 1, 0, 5, 0x0060}}, NULL, NULL},
{"LOOPI", 0x1000, 0xff00, DSPInterpreter::loopi, nop, 1, 1, {{P_IMM, 1, 0, 0, 0x00ff}}, NULL, NULL},
{"BLOOPI", 0x1100, 0xff00, DSPInterpreter::bloopi, nop, 2, 2, {{P_IMM, 1, 0, 0, 0x00ff}, {P_VAL, 2, 1, 0, 0xffff}}, NULL, NULL},
{"SRR", 0x1a00, 0xff80, DSPInterpreter::srr, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"SRRD", 0x1a80, 0xff80, DSPInterpreter::srrd, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"SRRI", 0x1b00, 0xff80, DSPInterpreter::srri, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"SRRN", 0x1b80, 0xff80, DSPInterpreter::srrn, nop, 1, 2, {{P_PRG, 1, 0, 5, 0x0060}, {P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
// LOOPS
{"LOOP", 0x0040, 0xffe0, DSPInterpreter::loop, nop, 1, 1, {{P_REG, 1, 0, 0, 0x001f}}, NULL, NULL},
{"BLOOP", 0x0060, 0xffe0, DSPInterpreter::bloop, nop, 2, 2, {{P_REG, 1, 0, 0, 0x001f}, {P_VAL, 2, 1, 0, 0xffff}}, NULL, NULL},
{"LOOPI", 0x1000, 0xff00, DSPInterpreter::loopi, nop, 1, 1, {{P_IMM, 1, 0, 0, 0x00ff}}, NULL, NULL},
{"BLOOPI", 0x1100, 0xff00, DSPInterpreter::bloopi, nop, 2, 2, {{P_IMM, 1, 0, 0, 0x00ff}, {P_VAL, 2, 1, 0, 0xffff}}, NULL, NULL},
{"ADDARN", 0x0010, 0xfff0, DSPInterpreter::addarn, nop, 2, 2, {{P_REG, 1, 0, 0, 0x00c0}, {P_REG, 2, 1, 0, 0x0003}}, NULL, NULL},