Added function key functions

src/config.h

@@ -10,8 +10,36 @@
 #define ROMLOC  	0xC000		/* ROM Page Location */
 
 #define BACKCOLOR sfBlack
+#define FPS 60
 
-#define CPUSPEED 4096 * 16
+#define PREAMBLE "LS7 Emulator by Gabriel Weingardt.\nLicense: GPL v.3+\n\n"
 
+#define HELP "Usage: LS7Emulator [options] file\n\n\
+Options:        Type    Default     Desc\n\
+--help                              Show this menu\n\
+--help-keys                         Show emulator key functions\n\
+--cpuspeed      [int]   100000      CPU Speed given in Herz. KHz and MHz annotations like 1KHz are supported\n\
+--scale         [float]   2.0       Set the starting scale of the video output\n\
+--singlestep                        Enable singlestepping with the 'F8' key\n\
+--clocksteps    [int]     1         Set the clock cycles cycled by a singlestep\n\
+--snapshot      [string]            Import a CPU snapshot\n\
+\n"
 
-static float displayScale = 2;
+#define HELPKEYS "\
+F1              Exit emulator\n\
+F2              Show Key Help\n\
+F3              Show Debug Menu\n\
+F4              Halt CPU\n\
+F5              Reset CPU\n\
+F6              Scale--\n\
+F7              Scale++\n\
+F8              Single step CPU\n\
+F9              Save CPU snapshot\n\
+F10             Load previous snapshot\n\
+F11             CPU NMI\n\
+F12             CPU IRQ\n\n"
+
+static float displayscale = 2;
+static int cpuspeed = 100000; // 100 kHz
+static int singlestep = 0;
+static int clocksteps = 1;