47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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#ifndef VIDEO_MDA_H
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# define VIDEO_MDA_H
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typedef struct mda_t
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{
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mem_mapping_t mapping;
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uint8_t crtc[32];
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int crtcreg;
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uint8_t ctrl, stat;
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uint64_t dispontime, dispofftime;
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pc_timer_t timer;
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int firstline, lastline;
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int linepos, displine;
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int vc, sc;
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uint16_t ma, maback;
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int con, coff, cursoron;
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int dispon, blink;
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int vsynctime;
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int vadj;
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uint8_t *vram;
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} mda_t;
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void mda_init(mda_t *mda);
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void mda_setcol(int chr, int blink, int fg, uint8_t cga_ink);
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void mda_out(uint16_t addr, uint8_t val, void *p);
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uint8_t mda_in(uint16_t addr, void *p);
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void mda_write(uint32_t addr, uint8_t val, void *p);
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uint8_t mda_read(uint32_t addr, void *p);
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void mda_recalctimings(mda_t *mda);
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void mda_poll(void *p);
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#ifdef EMU_DEVICE_H
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extern const device_t mda_device;
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#endif
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#endif /*VIDEO_MDA_H*/
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