* Minor changes in input system and rand function

git-svn-id: trunk@4530 -

packages/extra/gbaunits/gba_core.pas

@@ -1,5 +1,5 @@
 (*
-  gba_core.pas  18/06/2006 4.17.35
+  gba_core.pas  01/09/2006 19.17.35
   ------------------------------------------------------------------------------
   This lib is a raw porting of tonclib library for gba (you can find it at
   http://user.chem.tue.nl/jakvijn/index.htm).
@@ -52,6 +52,7 @@ var
 
 function gbaRandomize(seed: dword): dword;
 function gbaRand(): dword;
+function gbaRand(value: integer): dword;
 
 procedure memset16(dest: pointer; hw: word; hwcount: dword); cdecl; external;
 procedure memcpy16(dest: pointer; const src: pointer; hwcount: dword); cdecl; external;
@@ -78,6 +79,15 @@ begin
 	gbaRand := (gbaRandSeed shr 16) and QRAN_MAX;
 end;
 
+function gbaRand(value: integer): dword;
+var
+  a: dword;
+begin	
+	gbaRandSeed := QRAN_A * gbaRandSeed + QRAN_C;
+	a := (gbaRandSeed shr 16) and QRAN_MAX;
+  gbaRand := (a * value) shr 15;
+end;
+
 // memory handling routines
 // these are in ASM and optimized; use when possible
 {$l core_asm.o}

packages/extra/gbaunits/gba_input.pas

@@ -1,5 +1,5 @@
 (*
-  gba_input.pas 18/06/2006 4.20.21
+  gba_input.pas 01/09/2006 19.57.16
   ------------------------------------------------------------------------------
   This lib is a raw porting of libgba library for gba (you can find it at
   http://www.devkitpro.org).
@@ -38,6 +38,26 @@ uses
   gba_types, gba_regs;
 
 
+
+const
+  KEY_A: TKeyPadBits       = (1 shl 0);
+  KEY_B: TKeyPadBits       = (1 shl 1);
+  KEY_SELECT: TKeyPadBits  = (1 shl 2);
+  KEY_START: TKeyPadBits   = (1 shl 3);	
+  KEY_RIGHT: TKeyPadBits   = (1 shl 4);
+  KEY_LEFT: TKeyPadBits    = (1 shl 5);
+  KEY_UP: TKeyPadBits      = (1 shl 6);
+  KEY_DOWN: TKeyPadBits    = (1 shl 7);
+  KEY_R: TKeyPadBits       = (1 shl 8);
+  KEY_L: TKeyPadBits       = (1 shl 9);
+
+  KEYIRQ_ENABLE: TKeyPadBits = (1 shl 14);
+  KEYIRQ_OR: TKeyPadBits     = (0 shl 15);
+  KEYIRQ_AND: TKeyPadBits    = (1 shl 15);
+  DPAD: TKeyPadBits          = (1 shl 6) or (1 shl 7) or (1 shl 5) or (1 shl 4);
+
+
+
 type
   KeyInput = packed record
     Up: word;

packages/extra/gbaunits/gba_types.pas

@@ -1,5 +1,5 @@
 (*
-  gba_types.pas 18/06/2006 4.38.46
+  gba_types.pas 01/09/2006 19.57.46
   ------------------------------------------------------------------------------
   This lib is a raw porting of libgba library for gba (you can find it at
   http://www.devkitpro.org).
@@ -142,23 +142,7 @@ type
   );
   TDMAModes = DMA_MODES;
 
-  KEYPAD_BITS = (
-    KEY_A       = (1 shl 0),
-    KEY_B       = (1 shl 1),
-    KEY_SELECT  = (1 shl 2),
-    KEY_START   = (1 shl 3),	
-    KEY_RIGHT   = (1 shl 4),
-    KEY_LEFT    = (1 shl 5),
-    KEY_UP      = (1 shl 6),
-    KEY_DOWN    = (1 shl 7),
-    KEY_R       = (1 shl 8),
-    KEY_L       = (1 shl 9),
-
-    KEYIRQ_ENABLE = (1 shl 14),
-    KEYIRQ_OR     = (0 shl 15),
-    KEYIRQ_AND    = (1 shl 15),
-    DPAD          = integer(KEY_UP) or integer(KEY_DOWN) or integer(KEY_LEFT) or integer(KEY_RIGHT)
-  );
+  KEYPAD_BITS = integer;
   TKeyPadBits = KEYPAD_BITS;
   
   OBJATTR = record