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swim: Fixed bugs linked to device selection

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This commit is contained in:
Olivier Galibert 2021-05-24 18:44:27 +02:00
parent a80392678a
commit 602852e530
3 changed files with 11 additions and 4 deletions
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11
src/devices/machine/swim1.cpp
View File

@ -298,8 +298,12 @@ void swim1_device::ism_write(offs_t offset, u8 data)
m_ism_mode &= ~data;
m_ism_param_idx = 0;
ism_show_mode();
if(!(m_ism_mode & 0x40))
if(!(m_ism_mode & 0x40)) {
logerror("switch to iwm\n");
u8 ism_devsel = m_ism_mode & 0x80 ? (m_ism_mode >> 1) & 3 : 0;
if(ism_devsel != m_iwm_devsel)
m_devsel_cb(m_iwm_devsel);
}
break;
case 0x7:
@ -315,7 +319,7 @@ void swim1_device::ism_write(offs_t offset, u8 data)
if(m_ism_mode & 0x01)
ism_fifo_clear();
if((m_ism_mode ^ prev_mode) & 0x06)
if((m_ism_mode ^ prev_mode) & 0x86)
m_devsel_cb(m_ism_mode & 0x80 ? (m_ism_mode >> 1) & 3 : 0);
if((m_ism_mode ^ prev_mode) & 0x20)
m_hdsel_cb((m_ism_mode >> 5) & 1);
@ -533,6 +537,9 @@ u8 swim1_device::iwm_control(int offset, u8 data)
if(data & 0x40) {
m_ism_mode |= 0x40;
logerror("switch to ism\n");
u8 ism_devsel = m_ism_mode & 0x80 ? (m_ism_mode >> 1) & 3 : 0;
if(ism_devsel != m_iwm_devsel)
m_devsel_cb(ism_devsel);
}
break;
}

2
src/devices/machine/swim2.cpp
View File

@ -297,7 +297,7 @@ void swim2_device::write(offs_t offset, u8 data)
if(m_mode & 0x01)
fifo_clear();
if((m_mode ^ prev_mode) & 0x06)
if((m_mode ^ prev_mode) & 0x86)
m_devsel_cb(m_mode & 0x80 ? (m_mode >> 1) & 3 : 0);
if((m_mode ^ prev_mode) & 0x20)
m_hdsel_cb((m_mode >> 5) & 1);

2
src/devices/machine/swim3.cpp
View File

@ -254,7 +254,7 @@ void swim3_device::write(offs_t offset, u8 data)
break;
}
if((m_mode ^ prev_mode) & 0x06)
if((m_mode ^ prev_mode) & 0x86)
m_devsel_cb((m_mode >> 1) & 3);
if((m_mode ^ prev_mode) & 0x20)
m_hdsel_cb((m_mode >> 5) & 1);