core: Fixed opcode printing on access violation

No functional change

Signed-off-by: Markus Lampert  <mlampert@telus.net>
Signed-off-by: Michel Pollet <buserror@gmail.com>

diff --git a/simavr/sim/sim_core.c b/simavr/sim/sim_core.c
index 9dcf4bd..e056974 100644 (file)
--- a/simavr/sim/sim_core.c
+++ b/simavr/sim/sim_core.c
@@ -101,12 +101,12 @@ void avr_core_watch_write(avr_t *avr, uint16_t addr, uint8_t v)
 {
        if (addr > avr->ramend) {
                printf("*** Invalid write address PC=%04x SP=%04x O=%04x Address %04x=%02x out of ram\n",
-                               avr->pc, _avr_sp_get(avr), avr->flash[avr->pc] | (avr->flash[avr->pc]<<8), addr, v);
+                               avr->pc, _avr_sp_get(avr), avr->flash[avr->pc + 1] | (avr->flash[avr->pc]<<8), addr, v);
                CRASH();
        }
        if (addr < 32) {
                printf("*** Invalid write address PC=%04x SP=%04x O=%04x Address %04x=%02x low registers\n",
-                               avr->pc, _avr_sp_get(avr), avr->flash[avr->pc] | (avr->flash[avr->pc]<<8), addr, v);
+                               avr->pc, _avr_sp_get(avr), avr->flash[avr->pc + 1] | (avr->flash[avr->pc]<<8), addr, v);
                CRASH();
        }
 #if AVR_STACK_WATCH
@@ -126,7 +126,7 @@ uint8_t avr_core_watch_read(avr_t *avr, uint16_t addr)
 {
        if (addr > avr->ramend) {
                printf( FONT_RED "*** Invalid read address PC=%04x SP=%04x O=%04x Address %04x out of ram (%04x)\n" FONT_DEFAULT,
-                               avr->pc, _avr_sp_get(avr), avr->flash[avr->pc] | (avr->flash[avr->pc]<<8), addr, avr->ramend);
+                               avr->pc, _avr_sp_get(avr), avr->flash[avr->pc + 1] | (avr->flash[avr->pc]<<8), addr, avr->ramend);
                CRASH();
        }
        return avr->data[addr];