diff --git a/src/rk65c02.c b/src/rk65c02.c
index 5bdbd17..f01d784 100644
--- a/src/rk65c02.c
+++ b/src/rk65c02.c
@@ -124,6 +124,27 @@ rk65c02_step(rk65c02emu_t *e, uint16_t steps) {
 	e->stopreason = STEPPED;
 }
 
+void
+rk65c02_dump_stack(rk65c02emu_t *e, uint8_t n)
+{
+	uint16_t stackaddr;
+
+	stackaddr = STACK_END-n;
+
+	while (stackaddr <= STACK_END) {
+
+		if ((stackaddr == STACK_END-n) || !((stackaddr % 0x10)))
+			printf("stack %#02x: ", stackaddr);
+
+		printf("%#02x ", bus_read_1(e->bus, stackaddr));
+
+		stackaddr++;
+
+		if (!(stackaddr % 0x10))
+			printf("\n");
+	}
+}
+
 void
 rk65c02_dump_regs(rk65c02emu_t *e)
 {
diff --git a/src/rk65c02.h b/src/rk65c02.h
index 8bcbbf8..a2c9bd4 100644
--- a/src/rk65c02.h
+++ b/src/rk65c02.h
@@ -62,6 +62,7 @@ rk65c02emu_t rk65c02_init(bus_t *);
 void rk65c02_start(rk65c02emu_t *);
 void rk65c02_step(rk65c02emu_t *, uint16_t);
 void rk65c02_dump_regs(rk65c02emu_t *);
+void rk65c02_dump_stack(rk65c02emu_t *, uint8_t);
 void rk65c02_irq(rk65c02emu_t *e);
 
 #endif