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First DSPSpy results. cleanup and commenting.

Browse Source 
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2999 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-04-18 19:26:06 +00:00
parent 5f0ac1db68
commit 8716a58ae3
6 changed files with 80 additions and 92 deletions
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16
Source/Core/DSPCore/Src/DSPInterpreter.cpp
View File

@ -1444,7 +1444,7 @@ void sbset(const UDSPInstruction& opc)
// mode to explore for the moment:
// SET40
// CLR15
// M0
// M0
// Gonna be fun to explore all 8 possible combinations .. ugh.
void srbith(const UDSPInstruction& opc)
{
@ -1453,37 +1453,37 @@ void srbith(const UDSPInstruction& opc)
// M0 seems to be the default. M2 is used in functions in Zelda
// and then reset with M0 at the end. Like the other bits here, it's
// done around loops with lots of multiplications.
// I've confirmed with DSPSpy that they flip this bit.
case 0xa: // M2
//ERROR_LOG(DSPLLE, "M2");
g_dsp.r[DSP_REG_SR] &= ~SR_MUL_MODIFY;
break;
// FIXME: Both of these appear in the beginning of the Wind Waker
case 0xb: // M0
//ERROR_LOG(DSPLLE, "M0");
g_dsp.r[DSP_REG_SR] |= SR_MUL_MODIFY;
break;
// 15-bit precision? clamping? no idea :(
// CLR15 seems to be the default.
// nakee: It seems to come around mul operation, and it explains what sets the mul bit. But if so why not set/clr14?
case 0xc: // CLR15
g_dsp.r[DSP_REG_SR] |= SR_MUL_MODIFY;
g_dsp.r[DSP_REG_SR] &= ~SR_TOP_BIT_UNK;
//ERROR_LOG(DSPLLE, "CLR15");
break;
case 0xd: // SET15
g_dsp.r[DSP_REG_SR] &= ~SR_MUL_MODIFY;
g_dsp.r[DSP_REG_SR] |= SR_TOP_BIT_UNK;
//ERROR_LOG(DSPLLE, "SET15");
break;
// 40-bit precision? clamping? no idea :(
// 40 seems to be the default.
case 0xe: // SET40 (really, clear SR's 0x4000?) something about "set 40-bit operation"?
g_dsp.r[DSP_REG_SR] &= ~(1 << 14);
//g_dsp.r[DSP_REG_SR] &= ~(1 << 14);
//ERROR_LOG(DSPLLE, "SET40");
break;
case 0xf: // SET16 (really, set SR's 0x4000?) something about "set 16-bit operation"?
// that doesnt happen on a real console << what does this comment mean?
g_dsp.r[DSP_REG_SR] |= (1 << 14);
//g_dsp.r[DSP_REG_SR] |= (1 << 14);
//ERROR_LOG(DSPLLE, "SET16");
break;

1
Source/Core/DSPCore/Src/gdsp_registers.h
View File

@ -100,6 +100,7 @@
#define SR_LOGIC_ZERO 0x0040 // ?? duddie's doc sometimes say & 1<<6 (0x40), sometimes 1<<14 (0x4000), while we have 0x20 .. eh
#define SR_INT_ENABLE 0x0200 // Not 100% sure but duddie says so. This should replace the hack, if so.
#define SR_MUL_MODIFY 0x2000 // 1 = normal. 0 = x2
#define SR_TOP_BIT_UNK 0x8000 // 1 = normal. 0 = x2
void dsp_reg_store_stack(u8 stack_reg, u16 val);
u16 dsp_reg_load_stack(u8 stack_reg);

22
Source/DSPSpy/dsp_code.ds
View File

@ -180,15 +180,21 @@ main:
; We can call send_back at any time to send data back to the PowerPC.
nop
nop
nop
nop
; Calling set16 here seemed to crash the dsp tester in strange ways
; until I added set40 in send_back. Seems clear that it affects something important.
cw 0x8600
call send_back
nop
nop
nop
nop
inc $acc0
call send_back
s16
inc $acc0
call send_back
; We're done - currently we only test one opcode, in this case 0x8600.
; It's possible to test many more in one go - just call send_back after each one.
@ -511,6 +517,8 @@ irq:
; DMA:s the current state of the registers back to the PowerPC. To do this,
; it must write the contents of all regs to DRAM.
send_back:
; make state safe.
set40
; store registers to reg table
sr @REGS_BASE, $r00
lri $r00, #(REGS_BASE + 1)

66
Source/DSPSpy/dsp_code.h
View File

@ -4,38 +4,38 @@ const unsigned short dsp_code[0x1000] = {
const unsigned short dsp_code[0x1000] __attribute__ ((aligned (64))) = {
#endif
0x029f, 0x015b, 0x029f, 0x015f, 0x029f, 0x0163, 0x029f, 0x0167, 0x029f, 0x016b, 0x029f, 0x016f, 0x029f, 0x0180, 0x029f, 0x0184,
0x1302, 0x1303, 0x1204, 0x1305, 0x1306, 0x8e00, 0x0092, 0x00ff, 0x8900, 0x8100, 0x02bf, 0x014f, 0x16fc, 0x8888, 0x16fd, 0xdead,
0x16fb, 0x0001, 0x02bf, 0x0155, 0x26ff, 0x0340, 0x7fff, 0x00ff, 0x0f7e, 0x00fe, 0x0f7f, 0x0098, 0x0000, 0x0099, 0x0000, 0x009a,
0x2000, 0x00dc, 0x0f7e, 0x00de, 0x0f7f, 0x02bf, 0x013f, 0x02bf, 0x014f, 0x16fc, 0x8888, 0x16fd, 0xbeef, 0x16fb, 0x0001, 0x02bf,
0x0155, 0x26ff, 0x0340, 0x7fff, 0x00ff, 0x0f7e, 0x00fe, 0x0f7f, 0x0098, 0x0f80, 0x0099, 0x0000, 0x009a, 0x0080, 0x00dc, 0x0f7e,
0x00de, 0x0f7f, 0x02bf, 0x013f, 0x0080, 0x0f81, 0x1901, 0x1902, 0x1903, 0x1904, 0x1905, 0x1906, 0x1907, 0x1908, 0x1909, 0x190a,
0x029f, 0x015f, 0x029f, 0x0163, 0x029f, 0x0167, 0x029f, 0x016b, 0x029f, 0x016f, 0x029f, 0x0173, 0x029f, 0x0184, 0x029f, 0x0188,
0x1302, 0x1303, 0x1204, 0x1305, 0x1306, 0x8e00, 0x0092, 0x00ff, 0x8900, 0x8100, 0x02bf, 0x0153, 0x16fc, 0x8888, 0x16fd, 0xdead,
0x16fb, 0x0001, 0x02bf, 0x0159, 0x26ff, 0x0340, 0x7fff, 0x00ff, 0x0f7e, 0x00fe, 0x0f7f, 0x0098, 0x0000, 0x0099, 0x0000, 0x009a,
0x2000, 0x00dc, 0x0f7e, 0x00de, 0x0f7f, 0x02bf, 0x0143, 0x02bf, 0x0153, 0x16fc, 0x8888, 0x16fd, 0xbeef, 0x16fb, 0x0001, 0x02bf,
0x0159, 0x26ff, 0x0340, 0x7fff, 0x00ff, 0x0f7e, 0x00fe, 0x0f7f, 0x0098, 0x0f80, 0x0099, 0x0000, 0x009a, 0x0080, 0x00dc, 0x0f7e,
0x00de, 0x0f7f, 0x02bf, 0x0143, 0x0080, 0x0f81, 0x1901, 0x1902, 0x1903, 0x1904, 0x1905, 0x1906, 0x1907, 0x1908, 0x1909, 0x190a,
0x190b, 0x190c, 0x190d, 0x190e, 0x190f, 0x1910, 0x1911, 0x1912, 0x1913, 0x1914, 0x1915, 0x1916, 0x1917, 0x1918, 0x1919, 0x191a,
0x191b, 0x191c, 0x191d, 0x191e, 0x191f, 0x00c0, 0x0f80, 0x0000, 0x0000, 0x0000, 0x0000, 0x8600, 0x02bf, 0x0194, 0x029f, 0x0136,
0x00de, 0x03f1, 0x02bf, 0x0194, 0x0200, 0x0a60, 0x02bf, 0x0194, 0x1c7e, 0x02bf, 0x0194, 0x8100, 0x02bf, 0x0194, 0x8900, 0x02bf,
0x0194, 0x009f, 0x00a0, 0x02bf, 0x0194, 0x00de, 0x03f1, 0x02bf, 0x0194, 0x5d00, 0x02bf, 0x0194, 0x0e50, 0x02bf, 0x0194, 0x0750,
0x02bf, 0x0194, 0x0270, 0x02bf, 0x0194, 0x5d00, 0x02bf, 0x0194, 0x00da, 0x03f2, 0x02bf, 0x0194, 0x8600, 0x02bf, 0x0194, 0x0290,
0x00e7, 0x00de, 0x03f3, 0x02bf, 0x0194, 0x5c00, 0x02bf, 0x0194, 0x0293, 0x00bc, 0x029f, 0x00f0, 0x00db, 0x03f7, 0x02bf, 0x0194,
0x009e, 0x8000, 0x02bf, 0x0194, 0x4600, 0x02bf, 0x0194, 0x029f, 0x00d4, 0x00db, 0x03f7, 0x02bf, 0x0194, 0x009e, 0x8000, 0x02bf,
0x0194, 0x5600, 0x02bf, 0x0194, 0x00fe, 0x03f5, 0x02bf, 0x0194, 0x1fda, 0x02bf, 0x0194, 0x7c00, 0x02bf, 0x0194, 0x1f5e, 0x02bf,
0x0194, 0x00fe, 0x03f2, 0x02bf, 0x0194, 0x029f, 0x00f0, 0x00de, 0x03f4, 0x02bf, 0x0194, 0x5d00, 0x02bf, 0x0194, 0x0293, 0x00c9,
0x8900, 0x02bf, 0x0194, 0x00dd, 0x03f5, 0x02bf, 0x0194, 0x1501, 0x02bf, 0x0194, 0x8100, 0x02bf, 0x0194, 0x00dc, 0x03f6, 0x02bf,
0x0194, 0x008b, 0x009f, 0x02bf, 0x0194, 0x0080, 0x0a00, 0x02bf, 0x0194, 0x0900, 0x02bf, 0x0194, 0x1150, 0x011d, 0x1878, 0x02bf,
0x0194, 0x4c00, 0x02bf, 0x0194, 0x1cfe, 0x02bf, 0x0194, 0x001f, 0x02bf, 0x0194, 0x1fd9, 0x02bf, 0x0194, 0x1b18, 0x02bf, 0x0194,
0x009f, 0x0a60, 0x02bf, 0x0194, 0x1fc3, 0x02bf, 0x0194, 0x5c00, 0x02bf, 0x0194, 0x00fe, 0x03f1, 0x02bf, 0x0194, 0x00fc, 0x03f6,
0x02bf, 0x0194, 0x008b, 0xffff, 0x02bf, 0x0194, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x029f, 0x013d, 0x00fc,
0xffce, 0x00fe, 0xffcf, 0x00f8, 0xffcd, 0x00f9, 0xffc9, 0x00fa, 0xffcb, 0x27c9, 0x03c0, 0x0004, 0x029d, 0x0149, 0x02df, 0x27fc,
0x03c0, 0x8000, 0x029d, 0x014f, 0x02df, 0x27fe, 0x03c0, 0x8000, 0x029c, 0x0155, 0x02df, 0x009e, 0x0000, 0x029f, 0x0188, 0x009e,
0x0001, 0x029f, 0x0188, 0x009e, 0x0002, 0x029f, 0x0188, 0x009e, 0x0003, 0x029f, 0x0188, 0x009e, 0x0004, 0x029f, 0x0188, 0x8e00,
0x1dbc, 0x1dbe, 0x8100, 0x1fcd, 0x1f8d, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x02ff, 0x009e, 0x0005, 0x029f, 0x0188,
0x009e, 0x0006, 0x029f, 0x0188, 0x009e, 0x0007, 0x029f, 0x0188, 0x27fc, 0x03c0, 0x8000, 0x029d, 0x0188, 0x16fc, 0x8bad, 0x00eb,
0xfffd, 0x16fb, 0x0001, 0x0021, 0x00e0, 0x0f80, 0x0080, 0x0f81, 0x1b01, 0x1b02, 0x1b03, 0x1b04, 0x1b05, 0x1b06, 0x1b07, 0x1b08,
0x1b09, 0x1b0a, 0x1b0b, 0x1b0c, 0x1b0d, 0x1b0e, 0x1b0f, 0x1b10, 0x1b11, 0x1b12, 0x1b13, 0x1b14, 0x1b15, 0x1b16, 0x1b17, 0x1b18,
0x1b19, 0x1b1a, 0x1b1b, 0x1b1c, 0x1b1d, 0x1b1e, 0x1b1f, 0x0098, 0x0000, 0x0099, 0x0001, 0x009a, 0x0200, 0x00dc, 0x0f7e, 0x00de,
0x0f7f, 0x0081, 0x0010, 0x0061, 0x01ce, 0x02bf, 0x013f, 0x0200, 0x0200, 0x1ff8, 0x0300, 0x0100, 0x1f1f, 0x0000, 0x0000, 0x02bf,
0x014f, 0x16fc, 0x8888, 0x16fd, 0xfeeb, 0x16fb, 0x0001, 0x02bf, 0x0155, 0x26ff, 0x0340, 0x7fff, 0x0080, 0x0f81, 0x1901, 0x1902,
0x1903, 0x1904, 0x1905, 0x1906, 0x1907, 0x1908, 0x1909, 0x190a, 0x190b, 0x190c, 0x190d, 0x190e, 0x190f, 0x1910, 0x1911, 0x1912,
0x1913, 0x1914, 0x1915, 0x1916, 0x1917, 0x1918, 0x1919, 0x191a, 0x191b, 0x191c, 0x191d, 0x191e, 0x191f, 0x00c0, 0x0f80, 0x02df,
0x8e00, 0x02bf, 0x0194, 0x8f00, 0x02df, 0x0082, 0x0000, 0x009e, 0x1000, 0x0081, 0x1000, 0x0061, 0x0215, 0x1c7e, 0x80f0, 0x1fe0,
0x1c02, 0x1b1b, 0x1c40, 0x1c1f, 0x0401, 0x0000, 0x02df,
0x191b, 0x191c, 0x191d, 0x191e, 0x191f, 0x00c0, 0x0f80, 0x0000, 0x0000, 0x0000, 0x0000, 0x7600, 0x02bf, 0x0198, 0x8f00, 0x7600,
0x02bf, 0x0198, 0x029f, 0x013a, 0x00de, 0x03f1, 0x02bf, 0x0198, 0x0200, 0x0a60, 0x02bf, 0x0198, 0x1c7e, 0x02bf, 0x0198, 0x8100,
0x02bf, 0x0198, 0x8900, 0x02bf, 0x0198, 0x009f, 0x00a0, 0x02bf, 0x0198, 0x00de, 0x03f1, 0x02bf, 0x0198, 0x5d00, 0x02bf, 0x0198,
0x0e50, 0x02bf, 0x0198, 0x0750, 0x02bf, 0x0198, 0x0270, 0x02bf, 0x0198, 0x5d00, 0x02bf, 0x0198, 0x00da, 0x03f2, 0x02bf, 0x0198,
0x8600, 0x02bf, 0x0198, 0x0290, 0x00eb, 0x00de, 0x03f3, 0x02bf, 0x0198, 0x5c00, 0x02bf, 0x0198, 0x0293, 0x00c0, 0x029f, 0x00f4,
0x00db, 0x03f7, 0x02bf, 0x0198, 0x009e, 0x8000, 0x02bf, 0x0198, 0x4600, 0x02bf, 0x0198, 0x029f, 0x00d8, 0x00db, 0x03f7, 0x02bf,
0x0198, 0x009e, 0x8000, 0x02bf, 0x0198, 0x5600, 0x02bf, 0x0198, 0x00fe, 0x03f5, 0x02bf, 0x0198, 0x1fda, 0x02bf, 0x0198, 0x7c00,
0x02bf, 0x0198, 0x1f5e, 0x02bf, 0x0198, 0x00fe, 0x03f2, 0x02bf, 0x0198, 0x029f, 0x00f4, 0x00de, 0x03f4, 0x02bf, 0x0198, 0x5d00,
0x02bf, 0x0198, 0x0293, 0x00cd, 0x8900, 0x02bf, 0x0198, 0x00dd, 0x03f5, 0x02bf, 0x0198, 0x1501, 0x02bf, 0x0198, 0x8100, 0x02bf,
0x0198, 0x00dc, 0x03f6, 0x02bf, 0x0198, 0x008b, 0x009f, 0x02bf, 0x0198, 0x0080, 0x0a00, 0x02bf, 0x0198, 0x0900, 0x02bf, 0x0198,
0x1150, 0x0121, 0x1878, 0x02bf, 0x0198, 0x4c00, 0x02bf, 0x0198, 0x1cfe, 0x02bf, 0x0198, 0x001f, 0x02bf, 0x0198, 0x1fd9, 0x02bf,
0x0198, 0x1b18, 0x02bf, 0x0198, 0x009f, 0x0a60, 0x02bf, 0x0198, 0x1fc3, 0x02bf, 0x0198, 0x5c00, 0x02bf, 0x0198, 0x00fe, 0x03f1,
0x02bf, 0x0198, 0x00fc, 0x03f6, 0x02bf, 0x0198, 0x008b, 0xffff, 0x02bf, 0x0198, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x029f, 0x0141, 0x00fc, 0xffce, 0x00fe, 0xffcf, 0x00f8, 0xffcd, 0x00f9, 0xffc9, 0x00fa, 0xffcb, 0x27c9, 0x03c0, 0x0004,
0x029d, 0x014d, 0x02df, 0x27fc, 0x03c0, 0x8000, 0x029d, 0x0153, 0x02df, 0x27fe, 0x03c0, 0x8000, 0x029c, 0x0159, 0x02df, 0x009e,
0x0000, 0x029f, 0x018c, 0x009e, 0x0001, 0x029f, 0x018c, 0x009e, 0x0002, 0x029f, 0x018c, 0x009e, 0x0003, 0x029f, 0x018c, 0x009e,
0x0004, 0x029f, 0x018c, 0x8e00, 0x1dbc, 0x1dbe, 0x8100, 0x1fcd, 0x1f8d, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x02ff,
0x009e, 0x0005, 0x029f, 0x018c, 0x009e, 0x0006, 0x029f, 0x018c, 0x009e, 0x0007, 0x029f, 0x018c, 0x27fc, 0x03c0, 0x8000, 0x029d,
0x018c, 0x16fc, 0x8bad, 0x00eb, 0xfffd, 0x16fb, 0x0001, 0x0021, 0x8e00, 0x00e0, 0x0f80, 0x0080, 0x0f81, 0x1b01, 0x1b02, 0x1b03,
0x1b04, 0x1b05, 0x1b06, 0x1b07, 0x1b08, 0x1b09, 0x1b0a, 0x1b0b, 0x1b0c, 0x1b0d, 0x1b0e, 0x1b0f, 0x1b10, 0x1b11, 0x1b12, 0x1b13,
0x1b14, 0x1b15, 0x1b16, 0x1b17, 0x1b18, 0x1b19, 0x1b1a, 0x1b1b, 0x1b1c, 0x1b1d, 0x1b1e, 0x1b1f, 0x0098, 0x0000, 0x0099, 0x0001,
0x009a, 0x0200, 0x00dc, 0x0f7e, 0x00de, 0x0f7f, 0x0081, 0x0010, 0x0061, 0x01d3, 0x02bf, 0x0143, 0x0200, 0x0200, 0x1ff8, 0x0300,
0x0100, 0x1f1f, 0x0000, 0x0000, 0x02bf, 0x0153, 0x16fc, 0x8888, 0x16fd, 0xfeeb, 0x16fb, 0x0001, 0x02bf, 0x0159, 0x26ff, 0x0340,
0x7fff, 0x0080, 0x0f81, 0x1901, 0x1902, 0x1903, 0x1904, 0x1905, 0x1906, 0x1907, 0x1908, 0x1909, 0x190a, 0x190b, 0x190c, 0x190d,
0x190e, 0x190f, 0x1910, 0x1911, 0x1912, 0x1913, 0x1914, 0x1915, 0x1916, 0x1917, 0x1918, 0x1919, 0x191a, 0x191b, 0x191c, 0x191d,
0x191e, 0x191f, 0x00c0, 0x0f80, 0x02df, 0x8e00, 0x02bf, 0x0198, 0x8f00, 0x02df, 0x0082, 0x0000, 0x009e, 0x1000, 0x0081, 0x1000,
0x0061, 0x021a, 0x1c7e, 0x80f0, 0x1fe0, 0x1c02, 0x1b1b, 0x1c40, 0x1c1f, 0x0401, 0x0000, 0x02df,
};

1
Source/DSPSpy/dspbuild.bat
View File

@ -1 +1,2 @@
../../Binary/x64/DSPTool.exe -h dsp_code dsp_code.ds
make

66
Source/DSPSpy/main_spy.cpp
View File

@ -58,11 +58,6 @@ u16 *dspbufP;
u16 *dspbufC;
u32 *dspbufU;
u16 opcode[4] = {
0x0000, 0x0000, 0x0000, 0x0000,
};
u16 dspreg_in[32] = {
0x0410, 0x0510, 0x0610, 0x0710, 0x0810, 0x0910, 0x0a10, 0x0b10,
0x0411, 0x0522, 0x0633, 0x0744, 0x0855, 0x0966, 0x0a77, 0x0b88,
@ -161,11 +156,9 @@ vu16 val_x = 0x1234;
void print_regs(u16 _step)
{
int i, j;
for(j = 0 ; j < 4 ; j++)
for (int j = 0 ; j < 4 ; j++)
{
for(i = 0 ; i < 8 ; i++)
for (int i = 0 ; i < 8 ; i++)
{
int reg = j * 8 + i;
ds_set_colour(COLOR_GREEN, COLOR_BLACK);
@ -188,9 +181,9 @@ void print_regs(u16 _step)
ds_printf(10 + j, i + 11, "%d", (opcode[i] >> (15 - j)) & 0x1);*/
}
for(j = 0 ; j < 4 ; j++)
for (int j = 0 ; j < 4 ; j++)
{
for(i = 0 ; i < 8 ; i++)
for (int i = 0 ; i < 8 ; i++)
{
char tmpbuf1[20];
int reg = j * 8 + i;
@ -224,7 +217,7 @@ void print_regs(u16 _step)
ds_clear();
count = 0;
ds_set_colour(COLOR_WHITE, COLOR_BLACK);
for (i = 0x0; i < 0xf70 ; i++)
for (int i = 0x0; i < 0xf70 ; i++)
{
if (dspbufC[i] != mem_dump[i])
{
@ -347,7 +340,7 @@ void ui_pad_sel(void)
ui_mode = UIM_EDIT_REG;
else
ui_mode = UIM_EDIT_BIN;
reg_value = &opcode[cursor_y-8];
// reg_value = &opcode[cursor_y-8];
}
}
}
@ -355,7 +348,6 @@ void ui_pad_sel(void)
void ui_pad_edit_bin(void)
{
u8 pos;
if (gpad.button & PAD_BUTTON_RIGHT)
{
small_cursor_x++;
@ -415,7 +407,7 @@ void init_video(void)
{
VIDEO_Init();
switch(VIDEO_GetCurrentTvMode())
switch (VIDEO_GetCurrentTvMode())
{
case VI_NTSC:
rmode = &TVNtsc480IntDf;
@ -474,11 +466,11 @@ void my_send_task(void *addr, u16 iram_addr, u16 len, u16 start)
int main()
{
int i, j;
u32 mail;
u32 level;
{
// WTF?
vu16 *dicr = ((vu16 *)0xcc002002);
*dicr = 0x100;
*dicr = 0x002;
@ -492,7 +484,6 @@ int main()
//console_init(xfb,20,64,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*2);
ds_init(xfb,20,64,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*2);
ui_mode = UIM_SEL;
dspbufP = (u16 *)MEM_VIRTUAL_TO_PHYSICAL(dspbuffer);
@ -500,7 +491,7 @@ int main()
dspbufU = (u32 *)(MEM_K0_TO_K1(dspbuffer));
DCInvalidateRange(dspbuffer, 0x2000);
for(j = 0 ; j < 0x800 ; j++)
for (int j = 0 ; j < 0x800; j++)
dspbufU[j] = 0xffffffff;
_dspReg[5] = (_dspReg[5]&~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT))|DSPCR_DSPRESET;
@ -517,7 +508,7 @@ int main()
WPAD_Init();
while(1)
while (1)
{
if (DSP_CheckMailFrom())
{
@ -526,26 +517,11 @@ int main()
if (mail == 0x8071feed)
{
int n;
for (n = 0 ; n < 32 ; n++)
for (int n = 0 ; n < 32 ; n++)
dspbufC[0x00 + n] = dspreg_in[n];
DCFlushRange(dspbufC, 0x2000);
/*
for (n = 0 ; n < 600 ; n++)
{
if (((u16*)dsp_test)[n] == 0x1234)
{
((u16*)dsp_test)[n+0] = opcode[0];
((u16*)dsp_test)[n+1] = opcode[1];
((u16*)dsp_test)[n+2] = opcode[2];
((u16*)dsp_test)[n+3] = opcode[3];
break;
}
}
*/
DCFlushRange((void *)dsp_code, 0x1000);
my_send_task((void *)MEM_VIRTUAL_TO_PHYSICAL(dsp_code), 0, 4000, 0x10);
((u16*)dsp_code)[n] = 0x1234; // wtf?
}
else if (mail == 0x8888dead)
{
@ -566,18 +542,17 @@ int main()
else if (mail == 0x8888feeb)
{
DCInvalidateRange(dspbufC, 0x2000);
for(i = 0 ; i < 32 ; i++)
for (int i = 0 ; i < 32 ; i++)
dspreg_out[dsp_steps][i] = dspbufC[0xf80 + i];
regs_refreshed = true;
dsp_steps++;
while(DSP_CheckMailTo());
while (DSP_CheckMailTo());
DSP_SendMailTo(0x8000DEAD);
while(DSP_CheckMailTo());
while (DSP_CheckMailTo());
// dump_to_pc();
}
}
@ -619,33 +594,36 @@ int main()
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_B)
{
DCInvalidateRange(dspbufC, 0x2000);
int n;
for(n = 0 ; n < 0x2000 ; n++)
for (int n = 0 ; n < 0x2000 ; n++)
{
// dspbufU[n/2] = 0; dspbufC[n] = 0;
}
DCFlushRange(dspbufC, 0x2000);
// Reset the DSP.
_dspReg[5] = (_dspReg[5]&~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT))|DSPCR_DSPRESET;
_dspReg[5] = (_dspReg[5]&~(DSPCR_HALT|DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT));
_dspReg[5] |= DSPCR_RES;
while(_dspReg[5]&DSPCR_RES);
while (_dspReg[5] & DSPCR_RES)
;
_dspReg[9] = 0x63;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_2)
{
// WTF?
vu16 *dicr = ((vu16 *)0xcc002002);
*dicr = 0x001;
val_x = *dicr;
}
if (WPAD_ButtonsDown(0) & WPAD_BUTTON_A)
{
show_step++;
if (show_step >= dsp_steps)
show_step = 0;
}
};
}
// Reset the DSP
_dspReg[5] = (_dspReg[5]&~(DSPCR_AIINT|DSPCR_ARINT|DSPCR_DSPINT))|DSPCR_DSPRESET;