tis100

commit 8ec5b039472f9fbe24f2eb1c5d8e66a7551a33fd
parent ee7820e1cfde69c16130a43c8b7e7df1724afb9e
Author: Louis Burda <quent.burda@gmail.com>
Date:   Mon, 25 Dec 2023 04:13:41 +0100

Fixup more behaviour - add dim idle indicator

Diffstat:
M
tis100-curses.c
 | 
7
+++----
M
tis100.c
 | 
8
--------
M
tpu.c
 | 
21
+++++++++++----------

3 files changed, 14 insertions(+), 22 deletions(-)
diff --git a/tis100-curses.c b/tis100-curses.c
@@ -157,8 +157,7 @@ tui_draw_lit(int x, int y, attr_t attr, int lit)
 {
 	char buf[6];
 
-	snprintf(buf, 5, "%03i", lit);
-	if (buf[0] != '-') x += 1;
+	snprintf(buf, 5, "% 04i", lit);
 	tui_draw_text(x, y, attr, "%.*s", 4, buf);
 }
 
@@ -213,8 +212,8 @@ tui_draw_tpu(struct tpu *tpu)
 			}
 			asm_print_inst(linebuf, sizeof(linebuf), &tpu->insts[inst]);
 			tui_draw_text(sx + 2, sy + 1 + off,
-				inst == tpu->pc ? A_STANDOUT : 0, "%-*.*s",
-				TPU_INPUT_COLS, TPU_INPUT_COLS, linebuf);
+				inst == tpu->pc ? A_STANDOUT | (tpu->idle ? A_DIM : 0) : 0,
+				"%-*.*s", TPU_INPUT_COLS, TPU_INPUT_COLS, linebuf);
 			inst++; off++;
 		}
 	}
diff --git a/tis100.c b/tis100.c
@@ -37,7 +37,6 @@ main(int argc, const char **argv)
 {
 	struct tis_stats stats;
 	bool idle, prev_idle;
-	int i;
 
 	if (argc < 2) {
 		fprintf(stderr, "Usage: tis100 FILE [IO..]\n");
@@ -54,13 +53,6 @@ main(int argc, const char **argv)
 		idle = !tis_step(&tis);
 	}
 
-	for (i = 0; i < TIS_MAX_IO_PORTS; i++) {
-		if (tis.out_ports[i] && tis.out_ports[i]->io_step > 0) {
-		}
-	}
-
-	tis.steps -= 1; /* remove last idle step */
-
 	if (tis.show_stats) {
 		stats = tis_gen_stats(&tis);
 		printf("=== stats ===\n");
diff --git a/tpu.c b/tpu.c
@@ -205,7 +205,7 @@ tpu_init(struct tpu *tpu)
 	tpu->disabled = false;
 
 	tpu->mode = MODE_IDLE;
-	tpu->idle = true;
+	tpu->idle = false;
 
 	tpu->x = 0;
 	tpu->y = 0;
@@ -565,6 +565,7 @@ tpu_step(struct tpu *tpu)
 		if (tpu->pc >= tpu->inst_cnt) tpu->pc = 0;
 	} else {
 		tpu->mode = MODE_IDLE;
+		tpu->idle = true;
 	}
 }
 
@@ -672,20 +673,27 @@ tis_step(struct tis *tis)
 	bool running;
 	size_t i;
 
-	tis_communicate(tis);
-
 	for (i = 0; i < TPU_MAP_BUCKETS; i++) {
 		link = tis->tpu_map.buckets[i];
 		for (; link; link = link->next)
 			tpu_step(link->tpu);
 	}
 
+	tis_communicate(tis);
+
 	for (i = 0; i < TPU_MAP_BUCKETS; i++) {
 		link = tis->tpu_map.buckets[i];
 		for (; link; link = link->next)
 			tpu_update(link->tpu);
 	}
 
+	for (i = 0; i < TIS_MAX_IO_PORTS; i++) {
+		if (tis->in_ports[i])
+			tpu_port_update(&tis->in_ports[i]->port);
+		if (tis->out_ports[i])
+			tpu_port_update(&tis->out_ports[i]->port);
+	}
+
 	running = false;
 	for (i = 0; i < TPU_MAP_BUCKETS; i++) {
 		link = tis->tpu_map.buckets[i];
@@ -699,13 +707,6 @@ tis_step(struct tis *tis)
 		}
 	}
 
-	for (i = 0; i < TIS_MAX_IO_PORTS; i++) {
-		if (tis->in_ports[i])
-			tpu_port_update(&tis->in_ports[i]->port);
-		if (tis->out_ports[i])
-			tpu_port_update(&tis->out_ports[i]->port);
-	}
-
 	tis->steps += 1;
 
 	return running;