summaryrefslogtreecommitdiff
path: root/Source/Core/DSPCore/Src/DSPIntExtOps.cpp
diff options
context:
space:
mode:
authornakeee <nakeee@gmail.com>2009-07-22 06:28:04 +0000
committernakeee <nakeee@gmail.com>2009-07-22 06:28:04 +0000
commitef6b00f9b02c9b451868c4154a74797771e7d0ab (patch)
tree735895be964f25dcea2c1a8c0433fac6fc9a3312 /Source/Core/DSPCore/Src/DSPIntExtOps.cpp
parent93a28c0f5b706cecf92438671a0ed758b47f264f (diff)
DSPLLE: LD now doesn't give memory errors, still need to be tested with LDM/N and if it really takes 0x00
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3870 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/DSPCore/Src/DSPIntExtOps.cpp')
-rw-r--r--Source/Core/DSPCore/Src/DSPIntExtOps.cpp22
1 files changed, 16 insertions, 6 deletions
diff --git a/Source/Core/DSPCore/Src/DSPIntExtOps.cpp b/Source/Core/DSPCore/Src/DSPIntExtOps.cpp
index b8f4c7073c..bb807e5456 100644
--- a/Source/Core/DSPCore/Src/DSPIntExtOps.cpp
+++ b/Source/Core/DSPCore/Src/DSPIntExtOps.cpp
@@ -357,13 +357,18 @@ void dsp_op_ext_ld(const UDSPInstruction& opc)
u8 dreg1 = (((opc.hex >> 5) & 0x1) << 1) + 0x18;
u8 dreg2 = (((opc.hex >> 4) & 0x1) << 1) + 0x19;
u8 sreg = opc.hex & 0x3;
- g_dsp.r[dreg1] = dsp_dmem_read(g_dsp.r[sreg]);
- g_dsp.r[dreg2] = dsp_dmem_read(g_dsp.r[0x03]);
+
+ // TODO: test the 0x00 in the else
+ if (sreg != 0x3) {
+ g_dsp.r[dreg1] = dsp_dmem_read(g_dsp.r[sreg]);
+ g_dsp.r[dreg2] = dsp_dmem_read(g_dsp.r[0x03]);
+ } else {
+ g_dsp.r[dreg1] = dsp_dmem_read(g_dsp.r[0x00]);
+ }
if (opc.hex & 0x04) // N
{
dsp_increase_addr_reg(sreg, (s16)g_dsp.r[DSP_REG_IX0 + sreg]);
- //g_dsp.r[sreg] += g_dsp.r[sreg + 0x04];
}
else
{
@@ -372,14 +377,19 @@ void dsp_op_ext_ld(const UDSPInstruction& opc)
if (opc.hex & 0x08) // M
{
- dsp_increase_addr_reg(0x03, (s16)g_dsp.r[DSP_REG_IX0 + 0x03]);
- // g_dsp.r[0x03] += g_dsp.r[0x07];
+ // TODO test
+ if (sreg != 0x3)
+ dsp_increase_addr_reg(0x03, (s16)g_dsp.r[DSP_REG_IX0 + 0x03]);
+ else
+ dsp_increase_addr_reg(0x00, (s16)g_dsp.r[DSP_REG_IX0 + 0x03]);
}
else
{
- // Tested to increase 0x3 only by one
+ // Tested
if (sreg != 0x3)
dsp_increment_addr_reg(0x03);
+ else
+ dsp_increment_addr_reg(0x00);
}
}