From: nine <nine@aphlor.org>
Date: Sun, 21 Feb 2021 01:55:03 +0000 (+0000)
Subject: send nmi/int7 when pause pressed
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=748d921f628dbc61e7edf895e2a2244b331f95ad;p=pistorm

send nmi/int7 when pause pressed
---

diff --git a/emulator.c b/emulator.c
index 04fe15e..b46a64c 100644
--- a/emulator.c
+++ b/emulator.c
@@ -415,6 +415,11 @@ int main(int argc, char *argv[]) {
         if (c == 'S' && realtime_disassembly) {
           do_disasm = 128;
         }
+
+        // pause pressed; trigger nmi (int level 7)
+        if (c == 0x01) {
+          m68k_set_irq(7);
+        }
       }
     }
   }
diff --git a/input/input.c b/input/input.c
index d4d17f2..1acb722 100644
--- a/input/input.c
+++ b/input/input.c
@@ -65,6 +65,12 @@ int handle_modifier(struct input_event *ev) {
 
 #define KEYCASE(a, b, c)case a: return (lshift || rshift) ? c : b;
 
+/**
+ * translates keycodes back into a simpler enumerable value for handling emulator command events
+ *
+ * @param *struct/input_event  ev  pointer to input layer event structure
+ * @return char
+ */
 char char_from_input_event(struct input_event *ev) {
   switch(ev->code) {
     KEYCASE(KEY_A, 'a', 'A');
@@ -104,6 +110,7 @@ char char_from_input_event(struct input_event *ev) {
     KEYCASE(KEY_9, '9', '(');
     KEYCASE(KEY_0, '0', ')');
     KEYCASE(KEY_F12, 0x1B, 0x1B);
+    KEYCASE(KEY_PAUSE, 0x01, 0x01);
     default:
       return 0;
   }