From 5a351056409c64d6c03d5f3f6de9bf179c884e50 Mon Sep 17 00:00:00 2001
From: Samuel Walker <swalker@piwalker.net>
Date: Thu, 29 Aug 2024 18:49:38 -0600
Subject: [PATCH] start of movement and map

---
 src/main.c | 39 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index d5efa9f..e42e390 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,21 @@
 #include <genesis.h>
 
+#define SPEED 2
+
 Line l;
 
+const u8[][] = [[1,1,1,1,1,1,1,1,1,1],
+                [1,0,0,0,0,0,0,0,0,1],
+                [1,1,1,1,0,0,1,1,1,1],
+                [1,0,0,1,0,0,1,0,0,1],
+                [1,0,0,0,0,0,1,0,0,1],
+                [1,0,0,1,0,0,1,1,0,1],
+                [1,1,1,1,0,0,1,0,0,1],
+                [1,0,0,0,0,0,0,0,0,1],
+                [1,0,0,0,0,0,1,0,0,1],
+                [1,1,1,1,1,1,1,1,1,1]];
+
+
 void render(){
 	//Clear the bitmap
 	BMP_clear();
@@ -21,18 +35,38 @@ void render(){
 	l.pt2.y = 0;
 	}
 
+  SYS_doVBlankProcess();
+
 }
 
 void update(){
+  u16 joy = JOY_readJoypad(JOY_1);
+  if(joy & BUTTON_LEFT) {
+    l.pt1.x -= SPEED;
+  }
+  if(joy & BUTTON_RIGHT) {
+    l.pt1.x += SPEED;
+  }
+  if(joy & BUTTON_UP) {
+    l.pt1.y -= SPEED;
+  }
+  if(joy & BUTTON_DOWN) {
+    l.pt1.y += SPEED;
+  }
+}
 
-
+void initVDP(){
+  SYS_disableInts();
+  VDP_setPlaneSize(64,32,TRUE);
+  SYS_enableInts();
 }
 
 int main()
 {
+  initVDP();
 
   //Initialise the bitmap engine
-  BMP_init(TRUE, BG_A, PAL0, FALSE);
+  BMP_init(FALSE, BG_A, PAL0, FALSE);
 
   //Set the colour of the line. We are using pallete 0 for the bitmap, so we have 0->15. 15 is used for white text, so we set an unused pallet colour, 14 to blue - RGB 0000FF.
   u16 colour_blue = RGB24_TO_VDPCOLOR(0x0000ff);
@@ -52,6 +86,7 @@ int main()
   while(TRUE)
   {
    	render();
+    update();
   }
   return 0;
 }
\ No newline at end of file