lux/yuzu
1
0
Fork 0
mirror of https://git.h3cjp.net/H3cJP/yuzu.git synced 2024-11-14 11:42:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

armemu: Fix SMUAD, SMUSD, and SMLAD

Browse source 
Wrong values were being multiplied together.
This commit is contained in:
Lioncash 2014-12-16 02:03:48 -05:00
parent 0f9e3baf39
commit d5bcddb77c
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/core/arm/interpreter/armemu.cpp
View file

@ -6243,16 +6243,16 @@ L_stm_s_takeabort:
// SMUAD // SMUAD
if ((instr & 0xf0d0) == 0xf010) { if ((instr & 0xf0d0) == 0xf010) {
state->Reg[rd_idx] = (rn_lo * rn_hi) + (rm_lo * rm_hi); state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi);
} }
// SMUSD // SMUSD
else if ((instr & 0xf0d0) == 0xf050) { else if ((instr & 0xf0d0) == 0xf050) {
state->Reg[rd_idx] = (rn_lo * rn_hi) - (rm_lo * rm_hi); state->Reg[rd_idx] = (rn_lo * rm_lo) - (rn_hi * rm_hi);
} }
// SMLAD // SMLAD
else { else {
const u8 ra_idx = BITS(12, 15); const u8 ra_idx = BITS(12, 15);
state->Reg[rd_idx] = (rn_lo * rn_hi) + (rm_lo * rm_hi) + (s32)state->Reg[ra_idx]; state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi) + (s32)state->Reg[ra_idx];
} }
return 1; return 1;
} else { } else {