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authorLioncash <mathew1800@gmail.com>2014-12-24 13:56:57 +0100
committerLioncash <mathew1800@gmail.com>2014-12-24 13:56:57 +0100
commit6b7808e412ca9db41ac194a0a0e35d515cb1d38a (patch)
tree8ba98498ae50836a01ddaea65182160c702c8a51 /src/core
parentMerge pull request #328 from archshift/writeable (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/arm/interpreter/armemu.cpp118
1 files changed, 56 insertions, 62 deletions
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp
index b2f671f94..c4c09d1fb 100644
--- a/src/core/arm/interpreter/armemu.cpp
+++ b/src/core/arm/interpreter/armemu.cpp
@@ -5863,22 +5863,21 @@ L_stm_s_takeabort:
state->Reg[rd_idx] = (lo_result & 0xFFFF) | ((hi_result & 0xFFFF) << 16);
if (lo_result >= 0) {
- state->Cpsr |= (1 << 16);
- state->Cpsr |= (1 << 17);
+ state->GEFlag |= (1 << 16);
+ state->GEFlag |= (1 << 17);
} else {
- state->Cpsr &= ~(1 << 16);
- state->Cpsr &= ~(1 << 17);
+ state->GEFlag &= ~(1 << 16);
+ state->GEFlag &= ~(1 << 17);
}
if (hi_result >= 0) {
- state->Cpsr |= (1 << 18);
- state->Cpsr |= (1 << 19);
+ state->GEFlag |= (1 << 18);
+ state->GEFlag |= (1 << 19);
} else {
- state->Cpsr &= ~(1 << 18);
- state->Cpsr &= ~(1 << 19);
+ state->GEFlag &= ~(1 << 18);
+ state->GEFlag &= ~(1 << 19);
}
- ARMul_CPSRAltered(state);
return 1;
}
// SADD8/SSUB8
@@ -5903,24 +5902,24 @@ L_stm_s_takeabort:
hi_val2 = (u8)(((rn_val >> 24) & 0xFF) + ((rm_val >> 24) & 0xFF));
if (lo_val1 & 0x80)
- state->Cpsr |= (1 << 16);
+ state->GEFlag |= (1 << 16);
else
- state->Cpsr &= ~(1 << 16);
+ state->GEFlag &= ~(1 << 16);
if (lo_val2 & 0x80)
- state->Cpsr |= (1 << 17);
+ state->GEFlag |= (1 << 17);
else
- state->Cpsr &= ~(1 << 17);
+ state->GEFlag &= ~(1 << 17);
if (hi_val1 & 0x80)
- state->Cpsr |= (1 << 18);
+ state->GEFlag |= (1 << 18);
else
- state->Cpsr &= ~(1 << 18);
+ state->GEFlag &= ~(1 << 18);
if (hi_val2 & 0x80)
- state->Cpsr |= (1 << 19);
+ state->GEFlag |= (1 << 19);
else
- state->Cpsr &= ~(1 << 19);
+ state->GEFlag &= ~(1 << 19);
}
// SSUB8
else {
@@ -5930,27 +5929,26 @@ L_stm_s_takeabort:
hi_val2 = (u8)(((rn_val >> 24) & 0xFF) - ((rm_val >> 24) & 0xFF));
if (!(lo_val1 & 0x80))
- state->Cpsr |= (1 << 16);
+ state->GEFlag |= (1 << 16);
else
- state->Cpsr &= ~(1 << 16);
+ state->GEFlag &= ~(1 << 16);
if (!(lo_val2 & 0x80))
- state->Cpsr |= (1 << 17);
+ state->GEFlag |= (1 << 17);
else
- state->Cpsr &= ~(1 << 17);
+ state->GEFlag &= ~(1 << 17);
if (!(hi_val1 & 0x80))
- state->Cpsr |= (1 << 18);
+ state->GEFlag |= (1 << 18);
else
- state->Cpsr &= ~(1 << 18);
+ state->GEFlag &= ~(1 << 18);
if (!(hi_val2 & 0x80))
- state->Cpsr |= (1 << 19);
+ state->GEFlag |= (1 << 19);
else
- state->Cpsr &= ~(1 << 19);
+ state->GEFlag &= ~(1 << 19);
}
- ARMul_CPSRAltered(state);
state->Reg[rd_idx] = (lo_val1 | lo_val2 << 8 | hi_val1 << 16 | hi_val2 << 24);
return 1;
}
@@ -6029,31 +6027,30 @@ L_stm_s_takeabort:
h2 = ((u16)(from >> 16) - (u16)(to >> 16));
if (!(h1 & 0xffff0000))
- state->Cpsr |= (3 << 16);
+ state->GEFlag |= (3 << 16);
else
- state->Cpsr &= ~(3 << 16);
+ state->GEFlag &= ~(3 << 16);
if (!(h2 & 0xffff0000))
- state->Cpsr |= (3 << 18);
+ state->GEFlag |= (3 << 18);
else
- state->Cpsr &= ~(3 << 18);
+ state->GEFlag &= ~(3 << 18);
}
else { // UADD16
h1 = ((u16)from + (u16)to);
h2 = ((u16)(from >> 16) + (u16)(to >> 16));
if (h1 & 0xffff0000)
- state->Cpsr |= (3 << 16);
+ state->GEFlag |= (3 << 16);
else
- state->Cpsr &= ~(3 << 16);
+ state->GEFlag &= ~(3 << 16);
if (h2 & 0xffff0000)
- state->Cpsr |= (3 << 18);
+ state->GEFlag |= (3 << 18);
else
- state->Cpsr &= ~(3 << 18);
+ state->GEFlag &= ~(3 << 18);
}
- ARMul_CPSRAltered(state);
state->Reg[rd] = (u32)((h1 & 0xffff) | ((h2 & 0xffff) << 16));
return 1;
}
@@ -6068,24 +6065,24 @@ L_stm_s_takeabort:
b4 = ((u8)(from >> 24) - (u8)(to >> 24));
if (!(b1 & 0xffffff00))
- state->Cpsr |= (1 << 16);
+ state->GEFlag |= (1 << 16);
else
- state->Cpsr &= ~(1 << 16);
+ state->GEFlag &= ~(1 << 16);
if (!(b2 & 0xffffff00))
- state->Cpsr |= (1 << 17);
+ state->GEFlag |= (1 << 17);
else
- state->Cpsr &= ~(1 << 17);
+ state->GEFlag &= ~(1 << 17);
if (!(b3 & 0xffffff00))
- state->Cpsr |= (1 << 18);
+ state->GEFlag |= (1 << 18);
else
- state->Cpsr &= ~(1 << 18);
+ state->GEFlag &= ~(1 << 18);
if (!(b4 & 0xffffff00))
- state->Cpsr |= (1 << 19);
+ state->GEFlag |= (1 << 19);
else
- state->Cpsr &= ~(1 << 19);
+ state->GEFlag &= ~(1 << 19);
}
else { // UADD8
b1 = ((u8)from + (u8)to);
@@ -6094,27 +6091,26 @@ L_stm_s_takeabort:
b4 = ((u8)(from >> 24) + (u8)(to >> 24));
if (b1 & 0xffffff00)
- state->Cpsr |= (1 << 16);
+ state->GEFlag |= (1 << 16);
else
- state->Cpsr &= ~(1 << 16);
+ state->GEFlag &= ~(1 << 16);
if (b2 & 0xffffff00)
- state->Cpsr |= (1 << 17);
+ state->GEFlag |= (1 << 17);
else
- state->Cpsr &= ~(1 << 17);
+ state->GEFlag &= ~(1 << 17);
if (b3 & 0xffffff00)
- state->Cpsr |= (1 << 18);
+ state->GEFlag |= (1 << 18);
else
- state->Cpsr &= ~(1 << 18);
+ state->GEFlag &= ~(1 << 18);
if (b4 & 0xffffff00)
- state->Cpsr |= (1 << 19);
+ state->GEFlag |= (1 << 19);
else
- state->Cpsr &= ~(1 << 19);
+ state->GEFlag &= ~(1 << 19);
}
- ARMul_CPSRAltered(state);
state->Reg[rd] = (u32)(b1 | (b2 & 0xff) << 8 | (b3 & 0xff) << 16 | (b4 & 0xff) << 24);
return 1;
}
@@ -6211,21 +6207,20 @@ L_stm_s_takeabort:
if (rn_lo > max) {
rn_lo = max;
- state->Cpsr |= (1 << 27);
+ SETQ;
} else if (rn_lo < min) {
rn_lo = min;
- state->Cpsr |= (1 << 27);
+ SETQ;
}
if (rn_hi > max) {
rn_hi = max;
- state->Cpsr |= (1 << 27);
+ SETQ;
} else if (rn_hi < min) {
rn_hi = min;
- state->Cpsr |= (1 << 27);
+ SETQ;
}
- ARMul_CPSRAltered(state);
state->Reg[rd_idx] = (rn_lo & 0xFFFF) | ((rn_hi & 0xFFFF) << 16);
return 1;
}
@@ -6359,21 +6354,20 @@ L_stm_s_takeabort:
if (max < rn_lo) {
rn_lo = max;
- state->Cpsr |= (1 << 27);
+ SETQ;
} else if (rn_lo < 0) {
rn_lo = 0;
- state->Cpsr |= (1 << 27);
+ SETQ;
}
if (max < rn_hi) {
rn_hi = max;
- state->Cpsr |= (1 << 27);
+ SETQ;
} else if (rn_hi < 0) {
rn_hi = 0;
- state->Cpsr |= (1 << 27);
+ SETQ;
}
- ARMul_CPSRAltered(state);
state->Reg[rd_idx] = (rn_lo & 0xFFFF) | ((rn_hi << 16) & 0xFFFF);
return 1;
}
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