-/* CreatiVision Header */
+/*****************************************************************************/
+/* */
+/* creativision.h */
+/* */
+/* Creativision system specific definitions */
+/* */
+/* */
+/* */
+/* (C) 2013 cvemu */
+/* (C) 2017 Christian Groessler <chris@groessler.org> */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
#ifndef _CVISION_H
-
#define _CVISION_H
+/* Character codes */
#define CH_VLINE 33
#define CH_HLINE 34
#define CH_ULCORNER 35
#define CH_LLCORNER 37
#define CH_LRCORNER 38
+/* Masks for joy_read */
+#define JOY_UP_MASK 0x10
+#define JOY_DOWN_MASK 0x04
+#define JOY_LEFT_MASK 0x20
+#define JOY_RIGHT_MASK 0x08
+#define JOY_BTN_1_MASK 0x01
+#define JOY_BTN_2_MASK 0x02
+
+/* no support for dynamically loadable drivers */
#define DYN_DRV 0
/* Colours - from TMS9918 */
#define C_TRANSPARENT 0
#define C_BLACK 1
-#define C_MED_GREEN 2
+#define C_MED_GREEN 2
#define C_LIGHT_GREEN 3
#define C_DARK_BLUE 4
#define C_LIGHT_BLUE 5
#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 );
+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);
-#endif
+#endif /* #ifndef _CVISION_H */