From ebd4ac832a30b97a267514ec83b00651041c54f4 Mon Sep 17 00:00:00 2001
From: Andrew Opalach <andrew@akon.city>
Date: Sat, 28 Sep 2019 16:25:41 -0400
Subject: add input

---
 ui_sdl.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 46 insertions(+), 4 deletions(-)

diff --git a/ui_sdl.c b/ui_sdl.c
index 250947c..894e45c 100644
--- a/ui_sdl.c
+++ b/ui_sdl.c
@@ -27,7 +27,7 @@ void draw() {
       int bit = byte & 0x07;
       if ((vm.screen[byte>>3] & (1 << bit)) != 0) {
         box.x = x * 10; box.y = y * 10;
-        //SDL_RenderFillRect(r, &box);
+        SDL_RenderFillRect(r, &box);
         SDL_RenderDrawRect(r, &box);
       }
     }
@@ -42,6 +42,7 @@ int main(void) {
   init_vm();
 
   int last_60hz = SDL_GetTicks();
+  int last_45hz = SDL_GetTicks();
 
   SDL_Event e;
   while (1) {
@@ -49,10 +50,48 @@ int main(void) {
     switch (e.type) {
       case SDL_KEYDOWN:
         switch (e.key.keysym.sym) {
-          case 'q':
+          case SDLK_ESCAPE:
             SDL_Quit();
             exit(0);
+            break;
+          case '1': vm.keyboard[0x0] = 1; break;
+          case '2': vm.keyboard[0x1] = 1; break;
+          case '3': vm.keyboard[0x2] = 1; break;
+          case '4': vm.keyboard[0x3] = 1; break;
+          case 'q': vm.keyboard[0x4] = 1; break;
+          case 'w': vm.keyboard[0x5] = 1; break;
+          case 'e': vm.keyboard[0x6] = 1; break;
+          case 'r': vm.keyboard[0x7] = 1; break;
+          case 'a': vm.keyboard[0x8] = 1; break;
+          case 's': vm.keyboard[0x9] = 1; break;
+          case 'd': vm.keyboard[0xA] = 1; break;
+          case 'f': vm.keyboard[0xB] = 1; break;
+          case 'z': vm.keyboard[0xC] = 1; break;
+          case 'x': vm.keyboard[0xD] = 1; break;
+          case 'c': vm.keyboard[0xE] = 1; break;
+          case 'v': vm.keyboard[0xF] = 1; break;
         }
+        break;
+      case SDL_KEYUP:
+        switch (e.key.keysym.sym) {
+          case '1': vm.keyboard[0x0] = 0; break;
+          case '2': vm.keyboard[0x1] = 0; break;
+          case '3': vm.keyboard[0x2] = 0; break;
+          case '4': vm.keyboard[0x3] = 0; break;
+          case 'q': vm.keyboard[0x4] = 0; break;
+          case 'w': vm.keyboard[0x5] = 0; break;
+          case 'e': vm.keyboard[0x6] = 0; break;
+          case 'r': vm.keyboard[0x7] = 0; break;
+          case 'a': vm.keyboard[0x8] = 0; break;
+          case 's': vm.keyboard[0x9] = 0; break;
+          case 'd': vm.keyboard[0xA] = 0; break;
+          case 'f': vm.keyboard[0xB] = 0; break;
+          case 'z': vm.keyboard[0xC] = 0; break;
+          case 'x': vm.keyboard[0xD] = 0; break;
+          case 'c': vm.keyboard[0xE] = 0; break;
+          case 'v': vm.keyboard[0xF] = 0; break;
+        }
+        break;
     }
 
     int cur = SDL_GetTicks();
@@ -65,11 +104,14 @@ int main(void) {
         vm.ST--;
       }
 
-      draw();
       last_60hz = cur;
     }
 
-    //SDL_Delay(1);
+    if (cur - last_45hz >= (1000/45)) {
+      draw();
+      last_45hz = cur;
+    }
+
     vm_step();
   }
   return 0;
-- 
cgit v1.2.3-101-g0448