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cmi01a: Coverity 315772; fm7: Coverity 315775

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This commit is contained in:
Robbbert 2021-02-14 04:12:17 +11:00
parent 3e4cf534db
commit a1719a7c9c
2 changed files with 4 additions and 1 deletions
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2
src/mame/audio/cmi01a.cpp
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@ -252,7 +252,7 @@ void cmi01a_device::pulse_gzx()
void cmi01a_device::reset_waveform_segment() void cmi01a_device::reset_waveform_segment()
{ {
m_segment_cnt &= 0x007f; m_segment_cnt &= 0x007f;
m_segment_cnt = 0x4000 | (m_ws << 7); m_segment_cnt |= (0x4000 | (m_ws << 7));
} }
void cmi01a_device::load_w(int state) void cmi01a_device::load_w(int state)

3
src/mame/video/fm7.cpp
View File

@ -363,10 +363,13 @@ void fm77_state::alu_function_not(uint32_t offset)
{ {
if(!(m_alu.bank_disable & (1 << x))) if(!(m_alu.bank_disable & (1 << x)))
{ {
#ifdef UNUSED
// "dat" is overwritten before it can get used: Coverity 315775
if(m_alu.lcolour & (1 << x)) if(m_alu.lcolour & (1 << x))
dat = 0xff; dat = 0xff;
else else
dat = 0; dat = 0;
#endif
mask = (m_video_ram[(offset & 0x3fff) + (x * 0x4000) + (page * 0xc000)]); mask = (m_video_ram[(offset & 0x3fff) + (x * 0x4000) + (page * 0xc000)]);
dat = ~mask; dat = ~mask;