a95d9563ea716912654457e86fa5c9b915c584d0

Fixes issue #164

diff --git a/simavr/sim/avr_ioport.c b/simavr/sim/avr_ioport.c
index edbdf50165cee129c16d9018069fb73c3e8d5ddd..e322b11be82152185dc73516d6cf9edb5ca8bb72 100644 (file)
--- a/simavr/sim/avr_ioport.c
+++ b/simavr/sim/avr_ioport.c
@@ -63,6 +63,15 @@ avr_ioport_update_irqs(
        uint8_t pin = (avr->data[p->r_pin] & ~ddr) | (avr->data[p->r_port] & ddr);
        pin = (pin & ~p->external.pull_mask) | p->external.pull_value;
        avr_raise_irq(p->io.irq + IOPORT_IRQ_PIN_ALL, pin);
+
+       // if IRQs are registered on the PORT register (for example, VCD dumps) send
+       // those as well
+       avr_io_addr_t port_io = AVR_DATA_TO_IO(p->r_port);
+       if (avr->io[port_io].irq) {
+               avr_raise_irq(avr->io[port_io].irq + AVR_IOMEM_IRQ_ALL, avr->data[p->r_port]);
+               for (int i = 0; i < 8; i++)
+                       avr_raise_irq(avr->io[port_io].irq + i, (avr->data[p->r_port] >> i) & 1);
+       }
 }
 
 static void