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tms9900: fix crash at start

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This commit is contained in:
hap 2023-01-01 22:46:04 +01:00
parent fcb39a03d1
commit 2bfe2358fb
2 changed files with 4 additions and 4 deletions
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4
src/devices/cpu/tms9900/tms9900.cpp
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@ -341,7 +341,7 @@ void tms99xx_device::state_import(const device_state_entry &entry)
break;
default:
// Workspace registers
if (index <= TMS9900_R15)
if (index <= TMS9900_R15 && started())
write_workspace_register_debug(index-TMS9900_R0, (uint16_t)m_state_any);
break;
}
@ -373,7 +373,7 @@ void tms99xx_device::state_export(const device_state_entry &entry)
default:
// Workspace registers
if (index <= TMS9900_R15)
m_state_any = read_workspace_register_debug(index-TMS9900_R0);
m_state_any = started() ? read_workspace_register_debug(index-TMS9900_R0) : 0;
break;
}
}

4
src/devices/cpu/tms9900/tms9995.cpp
View file

@ -339,7 +339,7 @@ void tms9995_device::state_import(const device_state_entry &entry)
break;
default:
// Workspace registers
if (index <= TMS9995_R15)
if (index <= TMS9995_R15 && started())
write_workspace_register_debug(index-TMS9995_R0, (uint16_t)m_state_any);
break;
}
@ -371,7 +371,7 @@ void tms9995_device::state_export(const device_state_entry &entry)
default:
// Workspace registers
if (index <= TMS9995_R15)
m_state_any = read_workspace_register_debug(index-TMS9995_R0);
m_state_any = started() ? read_workspace_register_debug(index-TMS9995_R0) : 0;
break;
}
}