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authorGravatarGravatar Ryan Holtz <ryan.holtz@arrowheadgs.com>2020-05-22 14:03:43 +0200
committerGravatarGravatar Ryan Holtz <ryan.holtz@arrowheadgs.com>2020-05-22 14:10:07 +0200
commitd3bad75b926aa1ef1286b70cc9d46753e5f09455 (patch) (github)
tree484c2cd81900ff2f932b66c20a08668a176abcde
parent5041861672ebf0bf11220ec4c76f02b0fbfe28e5 (diff)
downloadmame-d3bad75b926aa1ef1286b70cc9d46753e5f09455.tar.bz2
mame-d3bad75b926aa1ef1286b70cc9d46753e5f09455.zip
-unsp: Removed outdated commnet related to Ext Push/Pop ops. The register decoding is correct. (nw)
-rw-r--r--src/devices/cpu/unsp/unsp_extended.cpp11
1 files changed, 1 insertions, 10 deletions
diff --git a/src/devices/cpu/unsp/unsp_extended.cpp b/src/devices/cpu/unsp/unsp_extended.cpp
index 948255ff610..ae60b3afdff 100644
--- a/src/devices/cpu/unsp/unsp_extended.cpp
+++ b/src/devices/cpu/unsp/unsp_extended.cpp
@@ -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