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Improve clock cycle count for THUMB operations.

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Edênis Freindorfer Azevedo 2020-07-08 17:18:32 -03:00 committed by Edênis Freindorfer Azevedo
parent 9e537a8fe3
commit 6f2e320d59
1 changed files with 3 additions and 3 deletions
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6
src/gba/GBA-thumb.cpp
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@ -1594,7 +1594,7 @@ static INSN_REGPARM void thumbBC(uint32_t opcode)
POP_REG(64, 6); POP_REG(64, 6);
POP_REG(128, 7); POP_REG(128, 7);
reg[13].I = temp; reg[13].I = temp;
clockTicks = 2 + codeTicksAccess16(armNextPC); clockTicks += 2 + codeTicksAccess16(armNextPC);
} }
// POP {Rlist, PC} // POP {Rlist, PC}
@ -1673,7 +1673,7 @@ static INSN_REGPARM void thumbC0(uint32_t opcode)
THUMB_STM_REG(32, 5, regist); THUMB_STM_REG(32, 5, regist);
THUMB_STM_REG(64, 6, regist); THUMB_STM_REG(64, 6, regist);
THUMB_STM_REG(128, 7, regist); THUMB_STM_REG(128, 7, regist);
clockTicks = 1 + codeTicksAccess16(armNextPC); clockTicks += 1 + codeTicksAccess16(armNextPC);
} }
// LDM R0~R7!, {Rlist} // LDM R0~R7!, {Rlist}
@ -1694,7 +1694,7 @@ static INSN_REGPARM void thumbC8(uint32_t opcode)
THUMB_LDM_REG(32, 5); THUMB_LDM_REG(32, 5);
THUMB_LDM_REG(64, 6); THUMB_LDM_REG(64, 6);
THUMB_LDM_REG(128, 7); THUMB_LDM_REG(128, 7);
clockTicks = 2 + codeTicksAccess16(armNextPC); clockTicks += 2 + codeTicksAccess16(armNextPC);
if (!(opcode & (1 << regist))) if (!(opcode & (1 << regist)))
reg[regist].I = temp; reg[regist].I = temp;
} }