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-unsp: Removed outdated commnet related to Ext Push/Pop ops. The register decoding is correct. (nw)

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This commit is contained in:
Ryan Holtz 2020-05-22 14:03:43 +02:00
parent 5041861672
commit d3bad75b92
1 changed files with 1 additions and 10 deletions
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11
src/devices/cpu/unsp/unsp_extended.cpp
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@ -55,7 +55,6 @@ void unsp_20_device::execute_extended_group(uint16_t op)
}
case 0x02:
{
// register decoding could be incorrect here
// Ext Push/Pop
if (ximm & 0x8000)
{
@ -67,9 +66,6 @@ void unsp_20_device::execute_extended_group(uint16_t op)
if ((rx - (size - 1)) >= 0)
{
//logerror("(Ext) push %s, %s to [%s]\n",
// extregs[rx - size], extregs[rx], (rb & 0x8) ? extregs[rb & 0x7] : regs[rb & 0x7]);
while (size--)
{
push(m_core->m_r[(rx--) + 8], &m_core->m_r[rb]);
@ -94,16 +90,11 @@ void unsp_20_device::execute_extended_group(uint16_t op)
if ((rx - (size - 1)) >= 0)
{
//logerror("(Ext) pop %s, %s from [%s]\n",
// extregs[rx - size], extregs[rx], (rb & 0x8) ? extregs[rb & 0x7] : regs[rb & 0x7]);
int realrx = 7 - rx;
while (size--)
{
if (rb & 0x8)
m_core->m_r[(realrx++) + 8] = pop(&m_core->m_r[(rb & 0x07) + 8]);
else
m_core->m_r[(realrx++) + 8] = pop(&m_core->m_r[rb & 0x07]);
m_core->m_r[(realrx++) + 8] = pop(&m_core->m_r[rb]);
}
}
else