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path: root/qtmips_machine/serialport.cpp
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Diffstat (limited to 'qtmips_machine/serialport.cpp')
-rw-r--r--qtmips_machine/serialport.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/qtmips_machine/serialport.cpp b/qtmips_machine/serialport.cpp
index 8db5725..f1cb620 100644
--- a/qtmips_machine/serialport.cpp
+++ b/qtmips_machine/serialport.cpp
@@ -83,7 +83,7 @@ bool SerialPort::wword(std::uint32_t address, std::uint32_t value) {
#endif
emit write_notification(address, value);
- switch (address) {
+ switch (address & ~3) {
case SERP_RX_ST_REG_o:
rx_st_reg &= ~SERP_RX_ST_REG_IE_m;
rx_st_reg |= value & SERP_RX_ST_REG_IE_m;
@@ -110,7 +110,7 @@ std::uint32_t SerialPort::rword(std::uint32_t address, bool debug_access) const
printf("SerialPort::rword address 0x%08lx\n",
(unsigned long)address);
#endif
- switch (address) {
+ switch (address & ~3) {
case SERP_RX_ST_REG_o:
pool_rx_byte();
value = rx_st_reg;