From 43d3b0d3b62e306ced4a5020dcaf732cae20f268 Mon Sep 17 00:00:00 2001
From: Louis Burda <quent.burda@gmail.com>
Date: Sun, 18 Feb 2024 17:46:52 +0100
Subject: Add io port label to curses tui

---
 tis100-curses.c | 9 +++++++++
 tpu.c           | 2 ++
 tpu.h           | 3 +++
 3 files changed, 14 insertions(+)

diff --git a/tis100-curses.c b/tis100-curses.c
index cc36066..e1925c7 100644
--- a/tis100-curses.c
+++ b/tis100-curses.c
@@ -5,10 +5,13 @@
 #include "asm.h"
 
 #include <curses.h>
+
 #include <sys/inotify.h>
 #include <unistd.h>
 #include <locale.h>
+
 #include <errno.h>
+#include <ctype.h>
 #include <stdarg.h>
 #include <string.h>
 #include <stdio.h>
@@ -301,6 +304,9 @@ tui_draw_tpu(struct tpu *tpu)
 
 	if (tpu->ports[DIR_UP].attached) {
 		port = &tpu->ports[DIR_UP];
+		if (port->dst_port->io)
+			tui_draw_text(sx + 10, sy - 1, A_BOLD,
+				"IN.%c", toupper(port->dst_port->io->c));
 		if (port->writing)
 			tui_draw_lit(sx + 8, sy - 1, A_BOLD, port->out);
 		if (port->type & PORT_OUT)
@@ -315,6 +321,9 @@ tui_draw_tpu(struct tpu *tpu)
 
 	if (tpu->ports[DIR_DOWN].attached) {
 		port = &tpu->ports[DIR_DOWN];
+		if (port->dst_port->io)
+			tui_draw_text(sx + 9, sy + TPU_H, A_BOLD,
+				"OUT.%c", toupper(port->dst_port->io->c));
 		if (port->avail)
 			tui_draw_lit(sx + 8, sy + TPU_H, A_BOLD, port->in);
 		if (port->type & PORT_IN)
diff --git a/tpu.c b/tpu.c
index 3a62e11..4d1c566 100644
--- a/tpu.c
+++ b/tpu.c
@@ -142,6 +142,7 @@ tpu_port_init(struct tpu_port *port, struct tpu *tpu)
 	port->in = -1;
 	port->writing = false;
 	port->out = -1;
+	port->io = false;
 }
 
 void
@@ -181,6 +182,7 @@ tpu_io_port_init(struct tpu_io_port *io_port, char c, enum tpu_port_dir dir,
 	enum tpu_port_type type, int x, int y)
 {
 	tpu_port_init(&io_port->port, NULL);
+	io_port->port.io = io_port;
 	io_port->io_step = 0;
 	io_port->type = type;
 	io_port->file = NULL;
diff --git a/tpu.h b/tpu.h
index 1805d7c..e18b3ed 100644
--- a/tpu.h
+++ b/tpu.h
@@ -73,6 +73,9 @@ struct tpu_port {
 	struct tpu *tpu;
 	enum tpu_port_type type;
 
+	/* set only if managed by io port */
+	struct tpu_io_port *io;
+
 	/* NOTE: dont access dst_port during execution,
 	 * values are transfered in post execution phase */
 	struct tpu_port *dst_port;
-- 
cgit v1.2.3-71-gd317