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Fix hang-up when executing RQ1 SysEx on SC-55mk1 #112

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Fix hang-up when executing RQ1 SysEx on SC-55mk1 #112

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0c6c70c
Fix to issue TXI interrupt when SCR is written
shingo45endo Feb 23, 2025
d8ae4c2
Fix SSR being entirely overwritten
shingo45endo Feb 23, 2025
cdbc5eb
Fix the initial value of SSR
shingo45endo Feb 23, 2025
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5 changes: 3 additions & 2 deletions src/mcu.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -328,6 +328,7 @@ void MCU_DeviceWrite(uint32_t address, uint8_t data)
case DEV_P7DDR:
break;
case DEV_SCR:
MCU_Interrupt_SetRequest(INTERRUPT_SOURCE_UART_TX, (data & 0x80) != 0 && (dev_register[DEV_SSR] & 0x80) != 0);
break;
case DEV_WCR:
break;
Expand Down Expand Up @@ -416,7 +417,7 @@ void MCU_DeviceWrite(uint32_t address, uint8_t data)
{
dev_register[address] &= ~0x10;
}
break;
return;
}
default:
address += 0;
Expand Down Expand Up @@ -512,7 +513,7 @@ void MCU_DeviceReset(void)
// dev_register[0x00] = 0x03;
// dev_register[0x7c] = 0x87;
dev_register[DEV_RAME] = 0x80;
dev_register[DEV_SSR] = 0x80;
dev_register[DEV_SSR] = 0x87;
}

void MCU_UpdateAnalog(uint64_t cycles)
Expand Down