f18a.h

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/*---------------------------------------------------------------------------------

    Generic f18a video functions

    Copyright (C) 2018-2019
        Alekmaul

    This software is provided 'as-is', without any express 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 COL_F18A_INCLUDE
#define COL_F18A_INCLUDE

#include <coleco/coltypes.h>

#define sprtab_f18a         0x2800 //f18a colour only requires 1/3 the colour data so til 0x2800
#define sprtab_f18a_2       0x3000
#define sprtab_f18a_3       0x3800
#define mapvram             0x1b00  

#define F18A_ECMS_0P        (0<<0)
#define F18A_ECMS_1B        (1<<0)
#define F18A_ECMS_2B        (2<<0)
#define F18A_ECMS_3B        (3<<0)
#define F18A_ECMT_0P        (0<<4)
#define F18A_ECMT_1B        (1<<4)
#define F18A_ECMT_2B        (2<<4)
#define F18A_ECMT_3B        (3<<4)
#define F18A_ECM_R30        (1<<6)
#define F18A_ECM_TM2        (1<<7)
#define F18A_ECM_YRE        (1<<3)

extern volatile u8 vdp_f18aok;

void vdp_f18ainit(void);

void vdp_f18asetpalette(void *data,unsigned char count);

void vdp_f18asetpaletteentry(void *data,unsigned offset,unsigned char count);

void vdp_f18asetmode1(u8 flags);

void vdp_f18asetscrollx(u8 bgnum, u8 x);

void vdp_f18asetscrolly(u8 bgnum, u8 y);

#endif