Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-21 16:01:56 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

-unsp: Fixed a silly bug with lsror, nw

Browse Source
This commit is contained in:
MooglyGuy 2020-03-12 14:32:11 +01:00
parent 891f079028
commit b68968ebee
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/devices/cpu/unsp/unsp_exxx.cpp
View File

@ -12,7 +12,7 @@
#define LOG_UNSP_MULS (1U << 1)
#define LOG_UNSP_SHIFTS (1U << 2)
#define VERBOSE (0)
#define VERBOSE (LOG_UNSP_SHIFTS)
#include "logmacro.h"
@ -269,11 +269,11 @@ void unsp_12_device::execute_exxx_group(uint16_t op)
case 0x05:
{
LOGMASKED(LOG_UNSP_SHIFTS, "pc:%06x: %s = %s lsror %s (%04x %04x)\n", UNSP_LPC, regs[rd], regs[rd], regs[rs], m_core->m_r[rd], m_core->m_r[rs]);
const uint32_t rdval = m_core->m_r[rd];
const uint32_t rdval = m_core->m_r[rd] << 16;
const int shift = (m_core->m_r[rs] & 0x01f);
const uint32_t res = rdval << shift;
const uint32_t res = rdval >> shift;
m_core->m_r[REG_R3] |= (uint16_t)res;
m_core->m_r[REG_R4] |= (uint16_t)(res >> 16);
m_core->m_r[REG_R4] = (uint16_t)(res >> 16);
LOGMASKED(LOG_UNSP_SHIFTS, "result: %04x%04x\n", m_core->m_r[REG_R4], m_core->m_r[REG_R3]);
return;
}