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cc65/include/tgi/tgi-kernel.h
cuz e525cd2515 tgi_mode -> tgi_gmode
git-svn-id: svn://svn.cc65.org/cc65/trunk@1861 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-12-29 20:59:34 +00:00

120 lines
5.9 KiB
C

/*****************************************************************************/
/* */
/* tgi-kernel.h */
/* */
/* TGI kernel interface */
/* */
/* */
/* */
/* (C) 2002 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* 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 _TGI_KERNEL_H
#define _TGI_KERNEL_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* A structure that describes the header of a graphics driver loaded into
* memory.
*/
typedef struct {
/* Data that describes the capabilities of the driver */
char id[3]; /* Contains 0x74, 0x67, 0x69 ("tgi") */
unsigned char version; /* Interface version */
unsigned xres; /* X resolution */
unsigned yres; /* Y resolution */
unsigned char colorcount; /* Number of available colors */
unsigned char pagecount; /* Number of screens available */
unsigned char res[6]; /* Reserved for extensions */
/* Jump vectors. Note that these are not C callable */
void* install; /* INSTALL routine */
void* deinstall; /* DEINSTALL routine */
void* init; /* INIT routine */
void* done; /* DONE routine */
void* geterror; /* GETERROR routine */
void* control; /* CONTROL routine */
void* clear; /* CLEAR routine */
void* setviewpage; /* SETVIEWPAGE routine */
void* setdrawpage; /* SETDRAWPAGE routine */
void* setcolor; /* SETCOLOR routine */
void* setpalette; /* SETPALETTE routine */
void* getpalette; /* GETPALETTE routine */
void* getdefpalette; /* GETDEFPALETTE routine */
void* setpixel; /* SETPIXEL routine */
void* getpixel; /* GETPIXEL routine */
void* horline; /* HORLINE routine */
void* line; /* LINE routine */
void* bar; /* BAR routine */
void* circle; /* CIRCLE routine */
} tgi_drv_header;
/* TGI kernel variables */
extern tgi_drv_header* tgi_drv; /* Pointer to driver */
extern unsigned char tgi_error; /* Last error code */
extern unsigned char tgi_gmode; /* Flag: Graphics mode active */
extern int tgi_curx; /* Current drawing cursor X */
extern int tgi_cury; /* Current drawing cursor Y */
extern unsigned char tgi_color; /* Current drawing color */
extern unsigned tgi_xres; /* X resolution of the current mode */
extern unsigned tgi_yres; /* Y resolution of the current mode */
extern unsigned char tgi_colorcount; /* Number of available colors */
extern unsigned char tgi_pagecount; /* Number of available screens */
/*****************************************************************************/
/* Code */
/*****************************************************************************/
const char* __fastcall__ tgi_map_mode (unsigned char mode);
/* Map a tgi mode to a driver name. Returns NULL if no driver available. */
void __fastcall__ tgi_setup (void);
/* Setup the driver and graphics kernel once the driver is loaded */
/* End of tgi-kernel.h */
#endif