From f53c02b815f301a42518aad956c1dbebb21a7b4f Mon Sep 17 00:00:00 2001
From: "Satoshi N. M" <snmatsutake@yahoo.co.jp>
Date: Sat, 13 Jan 2018 10:53:02 -0800
Subject: [PATCH] Change serial pause/resume command to 'p'

---
 src/main.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/main.c b/src/main.c
index 1320560..63f51e2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -83,10 +83,10 @@ static const char *usb_strings[] = {
 	"Pill 6502 UART Port",
 };
 
-static bool running = false;
+static bool paused = true;
 void sys_tick_handler(void)
 {
-	if (!running) return;
+	if (paused) return;
 	step6502();
 	gpio_toggle(GPIOC, GPIO13);
 }
@@ -102,9 +102,9 @@ char *process_serial_command(char *buf, int len) {
 
 	if (buf[0] == 'v') {
 		return "Pill 6502 version " FIRMWARE_VERSION;
-	} else if (buf[0] == 'r') {
-		running = !running;
-		return running ? "resumed" : "paused";
+	} else if (buf[0] == 'p') {
+		paused = !paused;
+		return paused ? "paused" : "resumed";
 	} else if (buf[0] == 't') {
 		static char buf[64];
 		snprintf(buf, sizeof(buf), "%ld ticks\r\n%ld instructions", clockticks6502, instructions);