Macintosh-Tools/dingusppc
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Fixed floating point loading and storing instructions

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dingusdev 2020-11-29 06:52:01 -07:00 committed by GitHub
parent a775007d3a
commit 54fcfca8e9
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 9 deletions
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18
cpu/ppc/ppcfpopcodes.cpp
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@ -767,7 +767,7 @@ void dppc_interpreter::ppc_lfs() {
void dppc_interpreter::ppc_lfsu() {
ppc_grab_regsfpdia(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
ppc_result64_d = mem_grab_dword(ppc_effective_address);
@ -788,7 +788,7 @@ void dppc_interpreter::ppc_lfsx() {
void dppc_interpreter::ppc_lfsux() {
ppc_grab_regsfpdiab(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = ppc_result_a + ppc_result_b;
ppc_result64_d = mem_grab_dword(ppc_effective_address);
ppc_result_a = ppc_effective_address;
@ -809,7 +809,7 @@ void dppc_interpreter::ppc_lfd() {
void dppc_interpreter::ppc_lfdu() {
ppc_grab_regsfpdia(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += ppc_result_a;
ppc_result64_d = mem_grab_qword(ppc_effective_address);
@ -823,14 +823,14 @@ void dppc_interpreter::ppc_lfdu() {
void dppc_interpreter::ppc_lfdx() {
ppc_grab_regsfpdia(true);
ppc_effective_address += (reg_a > 0) ? ppc_result_a + ppc_result_b : ppc_result_b;
ppc_effective_address = (reg_a > 0) ? ppc_result_a + ppc_result_b : ppc_result_b;
ppc_result64_d = mem_grab_qword(ppc_effective_address);
ppc_store_dfpresult(true);
}
void dppc_interpreter::ppc_lfdux() {
ppc_grab_regsfpdiab(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = ppc_result_a + ppc_result_b;
ppc_result64_d = mem_grab_qword(ppc_effective_address);
ppc_store_dfpresult(true);
@ -850,7 +850,7 @@ void dppc_interpreter::ppc_stfs() {
void dppc_interpreter::ppc_stfsu() {
ppc_grab_regsfpsia(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += ppc_result_a;
mem_write_dword(ppc_effective_address, uint32_t(ppc_state.fpr[reg_s].int64_r));
@ -869,7 +869,7 @@ void dppc_interpreter::ppc_stfsx() {
void dppc_interpreter::ppc_stfsux() {
ppc_grab_regsfpsiab(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = ppc_result_a + ppc_result_b;
mem_write_dword(ppc_effective_address, uint32_t(ppc_state.fpr[reg_s].int64_r));
ppc_result_a = ppc_effective_address;
@ -888,7 +888,7 @@ void dppc_interpreter::ppc_stfd() {
void dppc_interpreter::ppc_stfdu() {
ppc_grab_regsfpsia(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += ppc_result_a;
mem_write_qword(ppc_effective_address, ppc_state.fpr[reg_s].int64_r);
@ -907,7 +907,7 @@ void dppc_interpreter::ppc_stfdx() {
void dppc_interpreter::ppc_stfdux() {
ppc_grab_regsfpsiab(true);
if (reg_a == 0) {
if (reg_a != 0) {
ppc_effective_address = ppc_result_a + ppc_result_b;
mem_write_qword(ppc_effective_address, ppc_state.fpr[reg_s].int64_r);
ppc_result_a = ppc_effective_address;