diff options
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index 98d825272..4cd8fe6ac 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -1427,6 +1427,13 @@ typedef struct _blx_1_thumb { unsigned int instr; }blx_1_thumb; +typedef struct _pkh_inst { + u32 Rm; + u32 Rn; + u32 Rd; + u8 imm; +} pkh_inst; + typedef arm_inst * ARM_INST_PTR; #define CACHE_BUFFER_SIZE (64 * 1024 * 2000) @@ -2376,8 +2383,30 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(orr)(unsigned int inst, int index) } return inst_base; } -ARM_INST_PTR INTERPRETER_TRANSLATE(pkhbt)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("PKHBT"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(pkhtb)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("PKHTB"); } + +ARM_INST_PTR INTERPRETER_TRANSLATE(pkhbt)(unsigned int inst, int index) +{ + arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(pkh_inst)); + pkh_inst *inst_cream = (pkh_inst *)inst_base->component; + + inst_base->cond = BITS(inst, 28, 31); + inst_base->idx = index; + inst_base->br = NON_BRANCH; + inst_base->load_r15 = 0; + + inst_cream->Rd = BITS(inst, 12, 15); + inst_cream->Rn = BITS(inst, 16, 19); + inst_cream->Rm = BITS(inst, 0, 3); + inst_cream->imm = BITS(inst, 7, 11); + + return inst_base; +} + +ARM_INST_PTR INTERPRETER_TRANSLATE(pkhtb)(unsigned int inst, int index) +{ + return INTERPRETER_TRANSLATE(pkhbt)(inst, index); +} + ARM_INST_PTR INTERPRETER_TRANSLATE(pld)(unsigned int inst, int index) { arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(pld_inst)); @@ -5659,8 +5688,34 @@ unsigned InterpreterMainLoop(ARMul_State* state) FETCH_INST; GOTO_NEXT_INST; } + PKHBT_INST: + { + INC_ICOUNTER; + if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { + pkh_inst *inst_cream = (pkh_inst *)inst_base->component; + RD = (RN & 0xFFFF) | ((RM << inst_cream->imm) & 0xFFFF0000); + } + cpu->Reg[15] += GET_INST_SIZE(cpu); + INC_PC(sizeof(pkh_inst)); + FETCH_INST; + GOTO_NEXT_INST; + } + PKHTB_INST: + { + INC_ICOUNTER; + if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { + pkh_inst *inst_cream = (pkh_inst *)inst_base->component; + int shift_imm = inst_cream->imm ? inst_cream->imm : 31; + RD = ((static_cast<s32>(RM) >> shift_imm) & 0xFFFF) | (RN & 0xFFFF0000); + } + cpu->Reg[15] += GET_INST_SIZE(cpu); + INC_PC(sizeof(pkh_inst)); + FETCH_INST; + GOTO_NEXT_INST; + } + PLD_INST: { INC_ICOUNTER; |