Macintosh-Tools/dingusppc
1
0
Fork 0
mirror of https://github.com/dingusdev/dingusppc.git synced 2024-11-16 08:05:49 +00:00
Code Issues Projects Releases Wiki Activity

poweropcodes: use XER constants instead of magic numbers.

Browse Source
This commit is contained in:
Maxim Poliakovski 2024-03-26 23:57:37 +01:00
parent 9b429cc751
commit 2b6f41e0d0
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
cpu/ppc/poweropcodes.cpp
View File

@ -31,9 +31,9 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
inline void power_setsoov(uint32_t a, uint32_t b, uint32_t d) {
if ((a ^ b) & (a ^ d) & 0x80000000UL) {
ppc_state.spr[SPR::XER] |= 0xC0000000UL;
ppc_state.spr[SPR::XER] |= XER::SO | XER::OV;
} else {
ppc_state.spr[SPR::XER] &= 0xBFFFFFFFUL;
ppc_state.spr[SPR::XER] &= ~XER::OV;
}
}
@ -51,7 +51,7 @@ void dppc_interpreter::power_abs() {
if (ppc_result_a == 0x80000000) {
ppc_result_d = ppc_result_a;
if (ov)
ppc_state.spr[SPR::XER] |= 0xC0000000;
ppc_state.spr[SPR::XER] |= XER::SO | XER::OV;
} else {
ppc_result_d = ppc_result_a & 0x7FFFFFFF;
@ -286,7 +286,7 @@ void dppc_interpreter::power_nabs() {
if (rec)
ppc_changecrf0(ppc_result_d);
if (ov)
ppc_state.spr[SPR::XER] &= 0xBFFFFFFFUL;
ppc_state.spr[SPR::XER] &= ~XER::OV;
ppc_store_iresult_reg(reg_d, ppc_result_d);
}
@ -458,9 +458,9 @@ void dppc_interpreter::power_sraiq() {
ppc_state.spr[SPR::MQ] = (ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh));
if ((ppc_result_d & 0x80000000UL) && (ppc_result_d & mask)) {
ppc_state.spr[SPR::XER] |= 0x20000000UL;
ppc_state.spr[SPR::XER] |= XER::CA;
} else {
ppc_state.spr[SPR::XER] &= 0xDFFFFFFFUL;
ppc_state.spr[SPR::XER] &= ~XER::CA;
}
if (rec)
@ -481,9 +481,9 @@ void dppc_interpreter::power_sraq() {
ppc_state.spr[SPR::MQ] = ((ppc_result_d << rot_sh) | (ppc_result_d >> (32 - rot_sh)));
if ((ppc_result_d & 0x80000000UL) && (ppc_result_d & mask)) {
ppc_state.spr[SPR::XER] |= 0x20000000UL;
ppc_state.spr[SPR::XER] |= XER::CA;
} else {
ppc_state.spr[SPR::XER] &= 0xDFFFFFFFUL;
ppc_state.spr[SPR::XER] &= ~XER::CA;
}
ppc_state.spr[SPR::MQ] = (ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh));
@ -523,9 +523,9 @@ void dppc_interpreter::power_srea() {
ppc_state.spr[SPR::MQ] = ((ppc_result_d << rot_sh) | (ppc_result_d >> (32 - rot_sh)));
if ((ppc_result_d & 0x80000000UL) && (ppc_result_d & rot_sh)) {
ppc_state.spr[SPR::XER] |= 0x20000000UL;
ppc_state.spr[SPR::XER] |= XER::CA;
} else {
ppc_state.spr[SPR::XER] &= 0xDFFFFFFFUL;
ppc_state.spr[SPR::XER] &= ~XER::CA;
}
if (rec)