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-rw-r--r--src/core/arm/dyncom/arm_dyncom_dec.h2
-rw-r--r--src/core/arm/dyncom/arm_dyncom_interpreter.cpp106
-rw-r--r--src/core/arm/dyncom/arm_dyncom_run.cpp1
3 files changed, 93 insertions, 16 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_dec.h b/src/core/arm/dyncom/arm_dyncom_dec.h
index 19d94f369..70eb96e93 100644
--- a/src/core/arm/dyncom/arm_dyncom_dec.h
+++ b/src/core/arm/dyncom/arm_dyncom_dec.h
@@ -56,8 +56,6 @@
#define RN ((instr >> 16) & 0xF)
/*xxxx xxxx xxxx xxxx xxxx xxxx xxxx 1111 */
#define RM (instr & 0xF)
-#define BIT(n) ((instr >> (n)) & 1)
-#define BITS(a,b) ((instr >> (a)) & ((1 << (1+(b)-(a)))-1))
/* CP15 registers */
#define OPCODE_1 BITS(21, 23)
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index df698e8f1..460001b1a 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -2390,15 +2390,41 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(pld)(unsigned int inst, int index)
return inst_base;
}
ARM_INST_PTR INTERPRETER_TRANSLATE(qadd)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QADD"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qadd16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QADD16"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(qadd8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QADD8"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qaddsubx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QADDSUBX"); }
+ARM_INST_PTR INTERPRETER_TRANSLATE(qadd16)(unsigned int inst, int index)
+{
+ arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
+ generic_arm_inst* const inst_cream = (generic_arm_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->Rm = BITS(inst, 0, 3);
+ inst_cream->Rn = BITS(inst, 16, 19);
+ inst_cream->Rd = BITS(inst, 12, 15);
+ inst_cream->op1 = BITS(inst, 20, 21);
+ inst_cream->op2 = BITS(inst, 5, 7);
+
+ return inst_base;
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(qaddsubx)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(qadd16)(inst, index);
+}
ARM_INST_PTR INTERPRETER_TRANSLATE(qdadd)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QDADD"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(qdsub)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QDSUB"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(qsub)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QSUB"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qsub16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QSUB16"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(qsub8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QSUB8"); }
-ARM_INST_PTR INTERPRETER_TRANSLATE(qsubaddx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("QSUBADDX"); }
+ARM_INST_PTR INTERPRETER_TRANSLATE(qsub16)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(qadd16)(inst, index);
+}
+ARM_INST_PTR INTERPRETER_TRANSLATE(qsubaddx)(unsigned int inst, int index)
+{
+ return INTERPRETER_TRANSLATE(qadd16)(inst, index);
+}
ARM_INST_PTR INTERPRETER_TRANSLATE(rev)(unsigned int inst, int index)
{
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(rev_inst));
@@ -3798,9 +3824,9 @@ unsigned InterpreterMainLoop(ARMul_State* state)
#define INC_ICOUNTER cpu->icounter++; \
if(cpu->Reg[15] > 0xc0000000) \
cpu->kernel_icounter++;
- //if (debug_function(core)) \
+ /*if (debug_function(core)) \
if (core->check_int_flag) \
- goto END
+ goto END*/
//LOG_TRACE(Core_ARM11, "icounter is %llx pc is %x\n", cpu->icounter, cpu->Reg[15])
#else
#define INC_ICOUNTER ;
@@ -4021,18 +4047,18 @@ unsigned InterpreterMainLoop(ARMul_State* state)
#define UPDATE_NFLAG(dst) (cpu->NFlag = BIT(dst, 31) ? 1 : 0)
#define UPDATE_ZFLAG(dst) (cpu->ZFlag = dst ? 0 : 1)
-// #define UPDATE_CFLAG(dst, lop, rop) (cpu->CFlag = ((ISNEG(lop) && ISPOS(rop)) || \
+/* #define UPDATE_CFLAG(dst, lop, rop) (cpu->CFlag = ((ISNEG(lop) && ISPOS(rop)) || \
(ISNEG(lop) && ISPOS(dst)) || \
- (ISPOS(rop) && ISPOS(dst))))
+ (ISPOS(rop) && ISPOS(dst)))) */
#define UPDATE_CFLAG(dst, lop, rop) (cpu->CFlag = ((dst < lop) || (dst < rop)))
#define UPDATE_CFLAG_CARRY_FROM_ADD(lop, rop, flag) (cpu->CFlag = (((uint64_t) lop + (uint64_t) rop + (uint64_t) flag) > 0xffffffff) )
#define UPDATE_CFLAG_NOT_BORROW_FROM_FLAG(lop, rop, flag) (cpu->CFlag = ((uint64_t) lop >= ((uint64_t) rop + (uint64_t) flag)))
#define UPDATE_CFLAG_NOT_BORROW_FROM(lop, rop) (cpu->CFlag = (lop >= rop))
#define UPDATE_CFLAG_WITH_NOT(dst, lop, rop) (cpu->CFlag = !(dst < lop))
#define UPDATE_CFLAG_WITH_SC cpu->CFlag = cpu->shifter_carry_out
-// #define UPDATE_CFLAG_WITH_NOT(dst, lop, rop) cpu->CFlag = !((ISNEG(lop) && ISPOS(rop)) || \
+/* #define UPDATE_CFLAG_WITH_NOT(dst, lop, rop) cpu->CFlag = !((ISNEG(lop) && ISPOS(rop)) || \
(ISNEG(lop) && ISPOS(dst)) || \
- (ISPOS(rop) && ISPOS(dst)))
+ (ISPOS(rop) && ISPOS(dst))) */
#define UPDATE_VFLAG(dst, lop, rop) (cpu->VFlag = (((lop < 0) && (rop < 0) && (dst >= 0)) || \
((lop >= 0) && (rop) >= 0 && (dst < 0))))
#define UPDATE_VFLAG_WITH_NOT(dst, lop, rop) (cpu->VFlag = !(((lop < 0) && (rop < 0) && (dst >= 0)) || \
@@ -5561,15 +5587,69 @@ unsigned InterpreterMainLoop(ARMul_State* state)
GOTO_NEXT_INST;
}
QADD_INST:
- QADD16_INST:
QADD8_INST:
+
+ QADD16_INST:
QADDSUBX_INST:
+ QSUB16_INST:
+ QSUBADDX_INST:
+ {
+ INC_ICOUNTER;
+ if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
+ generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
+ const s16 rm_lo = (RM & 0xFFFF);
+ const s16 rm_hi = ((RM >> 16) & 0xFFFF);
+ const s16 rn_lo = (RN & 0xFFFF);
+ const s16 rn_hi = ((RN >> 16) & 0xFFFF);
+ const u8 op2 = inst_cream->op2;
+
+ s32 lo_result = 0;
+ s32 hi_result = 0;
+
+ // QADD16
+ if (op2 == 0x00) {
+ lo_result = (rn_lo + rm_lo);
+ hi_result = (rn_hi + rm_hi);
+ }
+ // QASX
+ else if (op2 == 0x01) {
+ lo_result = (rn_lo - rm_hi);
+ hi_result = (rn_hi + rm_lo);
+ }
+ // QSAX
+ else if (op2 == 0x02) {
+ lo_result = (rn_lo + rm_hi);
+ hi_result = (rn_hi - rm_lo);
+ }
+ // QSUB16
+ else if (op2 == 0x03) {
+ lo_result = (rn_lo - rm_lo);
+ hi_result = (rn_hi - rm_hi);
+ }
+
+ if (lo_result > 0x7FFF)
+ lo_result = 0x7FFF;
+ else if (lo_result < -0x8000)
+ lo_result = -0x8000;
+
+ if (hi_result > 0x7FFF)
+ hi_result = 0x7FFF;
+ else if (hi_result < -0x8000)
+ hi_result = -0x8000;
+
+ RD = (lo_result & 0xFFFF) | ((hi_result & 0xFFFF) << 16);
+ }
+
+ cpu->Reg[15] += GET_INST_SIZE(cpu);
+ INC_PC(sizeof(generic_arm_inst));
+ FETCH_INST;
+ GOTO_NEXT_INST;
+ }
+
QDADD_INST:
QDSUB_INST:
QSUB_INST:
- QSUB16_INST:
QSUB8_INST:
- QSUBADDX_INST:
REV_INST:
{
INC_ICOUNTER;
diff --git a/src/core/arm/dyncom/arm_dyncom_run.cpp b/src/core/arm/dyncom/arm_dyncom_run.cpp
index a2026cbf3..b66b92cf5 100644
--- a/src/core/arm/dyncom/arm_dyncom_run.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_run.cpp
@@ -29,7 +29,6 @@
void switch_mode(arm_core_t *core, uint32_t mode)
{
- uint32_t tmp1, tmp2;
if (core->Mode == mode) {
//Mode not changed.
//printf("mode not changed\n");
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-06 02:21:06 +0000