From f844536c0a3a4ba397f586897482dcb0f7550f5b Mon Sep 17 00:00:00 2001
From: alekseiplusplus <alekseijeaves@protonmail.com>
Date: Mon, 8 May 2023 19:29:52 +1000
Subject: started graphical application, plus  other stuff

---
 src/cpu/6502.h  |  9 ++++++--
 src/debug.h     |  4 ++--
 src/include.h   |  7 +++++-
 src/main.c      | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/signetics.h |  2 ++
 5 files changed, 85 insertions(+), 5 deletions(-)
 create mode 100644 src/main.c
 create mode 100644 src/signetics.h

(limited to 'src')

diff --git a/src/cpu/6502.h b/src/cpu/6502.h
index 8ceba29..66526fd 100644
--- a/src/cpu/6502.h
+++ b/src/cpu/6502.h
@@ -1,14 +1,15 @@
 //	6502.h
 //	Core elements of the 6502 CPU
 
-typedef unsigned char\
+typedef unsigned char
 	byte;
-typedef unsigned short\
+typedef unsigned short
 	address;
 
 byte acc, X, Y, P, S = 0x00;
 address PC = 0x0000;
 byte* Memory;
+byte* ROM;
 
 //	FLAGS
 #define flag_N 0x80 // Negative
@@ -98,6 +99,10 @@ void setMemory(address x, byte y);
 
 
 
+
+
+
+
 #include"addressing.h"
 #include"instructions/definitions.h"
 #include"instructions/table.h"
\ No newline at end of file
diff --git a/src/debug.h b/src/debug.h
index 06d4733..850b2d0 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -38,7 +38,7 @@ printf("\
 \t....X:\t%x\tlength:\t%d\n\
 \t....Y:\t%x\t...add:\t%x\n\
 \tstack:\t%x\t.value:\t%x\n\
-\tflags:\t%x\n\
+\tflags:\t%x\t....PC:\t%x\n\
 \n\
-", acc, idata.cycles, X, idata.length, Y, idata.add, S, idata.value, P);
+", acc, idata.cycles, X, idata.length, Y, idata.add, S, idata.value, P, PC);
 }
diff --git a/src/include.h b/src/include.h
index 815bbf7..f266ca6 100644
--- a/src/include.h
+++ b/src/include.h
@@ -3,4 +3,9 @@
 #include"stdlib.h"
 #include"string.h"
 #include"cpu/6502.h"
-#include"apple.h"
\ No newline at end of file
+#include"apple.h"
+
+#ifdef GRAPHICAL
+#include"SDL2/SDL.h"
+#include"signetics.h"
+#endif
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..dd7f306
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,68 @@
+#include"include.h"
+
+
+#define	SCALE	2
+
+#define CHR_WIDTH	5
+#define CHR_HEIGHT	8
+
+#define WIDTH_SPACE 1
+
+#define	MIN_WIDTH	(40 * CHR_WIDTH)
+#define	MIN_HEIGHT	(24 * CHR_HEIGHT)
+
+int main(){
+	// INITIALIZATION
+	SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO);
+	SDL_Window*		window = SDL_CreateWindow(
+		"Apple C",
+		SDL_WINDOWPOS_CENTERED,
+		SDL_WINDOWPOS_CENTERED,
+		MIN_WIDTH	*	SCALE,
+		MIN_HEIGHT	*	SCALE,
+		SDL_WINDOW_SHOWN
+	);
+	SDL_Renderer*	render = SDL_CreateRenderer(window, -1, 0);
+	SDL_Surface*	font_surface = SDL_LoadBMP("font.bmp");
+	SDL_Texture*	font_texture = SDL_CreateTextureFromSurface(render, font_surface);
+	SDL_FreeSurface(font_surface);
+
+	SDL_Rect character = {
+		.x = 0,
+		.y = 0,
+		.w = CHR_WIDTH,
+		.h = CHR_HEIGHT
+	};
+
+	SDL_Rect draw_character = {
+		.x = 0,
+		.y = 0,
+		.w = CHR_WIDTH	* SCALE,
+		.h = CHR_HEIGHT	* SCALE
+	};
+	
+	SDL_SetRenderDrawColor	(render, 0, 0, 0, 255);
+	SDL_RenderClear			(render);
+
+	for(int i = 0; i < 500; i++){
+		
+		SDL_RenderCopy		(render, font_texture, &character, &draw_character);
+		SDL_RenderPresent	(render);
+
+
+		character.x			= (i % 0x10) * CHR_WIDTH;
+		draw_character.x	+= draw_character.w;
+		if(i % 2 == 1)		draw_character.y += draw_character.h;
+		if(draw_character.x > MIN_WIDTH*SCALE) draw_character.x -= MIN_WIDTH*SCALE;
+		if(draw_character.y > MIN_HEIGHT*SCALE) draw_character.y -= MIN_HEIGHT*SCALE;
+		SDL_Delay(40);
+	}
+
+
+	
+	// Just delay before it dies
+	//SDL_Delay(5000);
+
+	SDL_Quit();
+	return 0;
+}
\ No newline at end of file
diff --git a/src/signetics.h b/src/signetics.h
new file mode 100644
index 0000000..228aa85
--- /dev/null
+++ b/src/signetics.h
@@ -0,0 +1,2 @@
+//	signetics.h
+//	The Apple I came with its own terminal on-board, with a Signetics 2513 character ROM.
-- 
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