Macintosh-Tools
/
dingusppc
mirror of https://github.com/dingusdev/dingusppc.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fixing lha(*) opcodes

This commit is contained in:
dingusdev 2024-01-05 17:19:03 -07:00
parent 924b80574a
commit 1cc1ac2e68
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
cpu/ppc/ppcopcodes.cpp
View File

@ -1911,7 +1911,7 @@ void dppc_interpreter::ppc_lha() {
//uint16_t val = mem_grab_word(ppc_effective_address);
uint16_t val = mmu_read_vmem<uint16_t>(ppc_effective_address);
if (val & 0x8000) {
ppc_result_d = 0xFFFF0000UL | (uint32_t)val;
ppc_result_d = 0xFFFF0000UL + (uint32_t)val;
} else {
ppc_result_d = (uint32_t)val;
}
@ -1929,9 +1929,9 @@ void dppc_interpreter::ppc_lhau() {
//uint16_t val = mem_grab_word(ppc_effective_address);
uint16_t val = mmu_read_vmem<uint16_t>(ppc_effective_address);
if (val & 0x8000) {
ppc_result_d = 0xFFFF0000UL | (uint32_t)val;
ppc_result_d = 0xFFFF0000UL + val;
} else {
ppc_result_d = (uint32_t)val;
ppc_result_d = val;
}
ppc_store_result_regd();
ppc_result_a = ppc_effective_address;
@ -1946,13 +1946,13 @@ void dppc_interpreter::ppc_lhaux() {
num_int_loads++;
#endif
ppc_grab_regsdab();
ppc_effective_address = reg_a ? (ppc_result_a + ppc_result_b) : ppc_result_b;
ppc_effective_address = ppc_result_a + ppc_result_b;
//uint16_t val = mem_grab_word(ppc_effective_address);
uint16_t val = mmu_read_vmem<uint16_t>(ppc_effective_address);
if (val & 0x8000) {
ppc_result_d = 0xFFFF0000UL | (uint32_t)val;
ppc_result_d = 0xFFFF0000UL + val;
} else {
ppc_result_d = (uint32_t)val;
ppc_result_d = val;
}
ppc_store_result_regd();
ppc_result_a = ppc_effective_address;
@ -1968,9 +1968,9 @@ void dppc_interpreter::ppc_lhax() {
//uint16_t val = mem_grab_word(ppc_effective_address);
uint16_t val = mmu_read_vmem<uint16_t>(ppc_effective_address);
if (val & 0x8000) {
ppc_result_d = 0xFFFF0000UL | (uint32_t)val;
ppc_result_d = 0xFFFF0000UL + val;
} else {
ppc_result_d = (uint32_t)val;
ppc_result_d = val;
}
ppc_store_result_regd();
}