8467783d44dc5b36a7b1fcb8c70403238f41ce1a

Clear interrupt instead of just the rxc bit

diff --git a/simavr/sim/avr_uart.c b/simavr/sim/avr_uart.c
index 0fff23694d0cd423ad7cb808fa5cad922397bc05..2a69c16e2a3b0bcdb9a89dea7b424f4ec85f35f3 100644 (file)
--- a/simavr/sim/avr_uart.c
+++ b/simavr/sim/avr_uart.c
@@ -98,8 +98,9 @@ static uint8_t avr_uart_read(struct avr_t * avr, avr_io_addr_t addr, void * para
 {
        avr_uart_t * p = (avr_uart_t *)param;
 
-       // clear the rxc bit in case the code is using polling
-       avr_regbit_clear(avr, p->rxc.raised);
+       // clear the rxc interrupt in case the code is using polling
+       uint8_t rxc = avr_regbit_get(avr, p->rxc.raised);
+       avr_clear_interrupt_if(avr, &p->rxc, rxc);
 
        if (!avr_regbit_get(avr, p->rxen)) {
                avr->data[addr] = 0;