Add debug keys for triggering EXTINT

2 files changed, 21 insertions, 0 deletions

diff --git a/emu.c b/emu.c
index eb650a3..81b85fd 100644
--- a/emu.c
+++ b/emu.c
@@ -38,6 +38,10 @@ static u8 trace_irq[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 static u8 unsp_version = 11;	// version a.b as 10*a + b
 static u8 ever_ran_this[N_MEM];
 
+
+static int do_extint1, do_extint2;
+
+
 static u16 reg[8];
 static u8 sb;
 static u8 irq, fiq;
@@ -725,6 +729,14 @@ static void do_controller(void)
 			mute_audio ^= 1;
 			break;
 
+		case 'w':
+			do_extint1 = 1;
+			break;
+
+		case 'e':
+			do_extint2 = 1;
+			break;
+
 		case 'a':
 			hide_page_1 ^= 1;
 			break;
@@ -809,6 +821,14 @@ static void run(void)
 
 		mem[0x3d22] |= 2;	// TMB2		FIXME: freq
 
+		if (do_extint1) {
+			mem[0x3d22] |= 0x0200;
+			do_extint1 = 0;
+		}
+		if (do_extint2) {
+			mem[0x3d22] |= 0x1000;
+			do_extint2 = 0;
+		}
 
 		// UART		FIXME
 mem[0x3d22] |= 0x0100;
diff --git a/platform-sdl.c b/platform-sdl.c
index dd759ce..56b5085 100644
--- a/platform-sdl.c
+++ b/platform-sdl.c
@@ -172,6 +172,7 @@ static char handle_debug_key(int key)
 	case 'u':
 	case 'x':
 	case 'q':
+	case 'w': case 'e':
 	case 'a': case 's': case 'd':
 	case 'v': case 'c':
 		return (key);