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z8: Fix typo in pre1_write (restores noise in amerihok); misc. minor cleanups (nw)

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This commit is contained in:
AJR 2018-12-09 23:33:57 -05:00
parent cd3b77121f
commit 86603e8692
2 changed files with 4 additions and 4 deletions
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6
src/devices/cpu/z8/z8.cpp
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@ -435,14 +435,13 @@ uint8_t z8_device::p3_read()
void z8_device::p3_write(uint8_t data)
{
uint8_t mask = 0;
uint8_t mask = 0xf0;
m_output[3] = data;
// TODO: special port 3 modes
//if (!(m_p3m & 0x7c))
//{
mask = 0xf0;
//}
if (mask)
@ -511,7 +510,7 @@ void z8_device::pre0_write(uint8_t data)
void z8_device::pre1_write(uint8_t data)
{
m_pre[0] = data;
m_pre[1] = data;
}
void z8_device::p01m_write(uint8_t data)
@ -1153,6 +1152,7 @@ void z8_device::device_reset()
p01m_write(0x4d);
p2m_write(0xff);
p3m_write(0x00);
p3_write(m_output[3] | 0xf0);
m_pre[0] &= ~Z8_PRE0_COUNT_MODULO_N;
m_pre[1] &= ~(Z8_PRE1_COUNT_MODULO_N | Z8_PRE1_INTERNAL_CLOCK);

2
src/devices/cpu/z8/z8ops.hxx
View File

@ -37,7 +37,7 @@
_func(dst, src);
#define mode_IR2_R1(_func) \
uint8_t src = register_read(read(R));\
uint8_t src = read(read(R));\
uint8_t dst = R;\
_func(dst, src);