Merge pull request #7 from cvemu/master

Initial Creativision Import

include/creativision.h

@@ -0,0 +1,59 @@
+/* CreatiVision Header */
+
+#ifndef _CVISION_H
+
+#define _CVISION_H
+
+#define CH_VLINE 33
+#define CH_HLINE 34
+#define CH_ULCORNER 35
+#define CH_URCORNER 36
+#define CH_LLCORNER 37
+#define CH_LRCORNER 38
+
+#define DYN_DRV 0
+
+/* Colours - from TMS9918 */
+#define C_TRANSPARENT   0
+#define C_BLACK         1
+#define C_MED_GREEN     2 
+#define C_LIGHT_GREEN   3
+#define C_DARK_BLUE     4
+#define C_LIGHT_BLUE    5
+#define C_DARK_RED      6
+#define C_CYAN          7
+#define C_MED_RED       8
+#define C_LIGHT_RED     9
+#define C_DARK_YELLOW   10
+#define C_LIGHT_YELLOW  11
+#define C_DARK_GREEN    12
+#define C_MAGENTA       13
+#define C_GREY          14
+#define C_WHITE         15
+
+/* Joystick states */
+#define JOY_UP          5
+#define JOY_DOWN        1
+#define JOY_LEFT        7
+#define JOY_RIGHT       3
+#define JOY_LEFT_UP     6
+#define JOY_LEFT_DOWN   8
+#define JOY_RIGHT_UP    4
+#define JOY_RIGHT_DOWN  2
+#define JOY_LBUTTON     1
+#define JOY_RBUTTON     2
+
+/* Joystick values */
+#define JOY_LEFT_DIR      1
+#define JOY_RIGHT_DIR     2
+#define JOY_LEFT_BUTTONS  3
+#define JOY_RIGHT_BUTTONS 4                     
+
+/* Protos */
+void __fastcall__ psg_outb( unsigned char b );
+void __fastcall__ psg_delay( unsigned char b );
+void psg_silence( void );
+void __fastcall__ bios_playsound( void *a, unsigned char b);
+unsigned char __fastcall__ joystate( unsigned char which );
+
+#endif