2019-05-28 01:52:00 +00:00
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#ifndef _ACBIOS_H
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#define _ACBIOS_H
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// FONT DESCRIPTORS
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typedef struct {
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byte base_ch;
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byte frame_x;
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byte frame_y;
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byte pattern_x;
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byte pattern_y;
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const byte* chartab;
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} FontDescriptor;
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const FontDescriptor __at(0x206) FNTSYS;
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const FontDescriptor __at(0x20d) FNTSML;
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// BIOS COMMANDS
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#define STRDIS 0x34
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// FUNCTIONS
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#define OPT_1x1 0x00
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#define OPT_2x2 0x40
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#define OPT_4x4 0x80
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#define OPT_8x8 0xc0
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#define OPT_XOR 0x20
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#define OPT_OR 0x10
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#define OPT_ON(n) ((n)<<2)
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#define OPT_OFF(n) ((n))
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void activate_interrupts(void);
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void wait_for_vsync(void);
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2019-05-29 00:50:06 +00:00
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void display_string(byte x, byte y, byte options, const char* str);
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void paint_rectangle(byte x, byte y, byte w, byte h, byte colormask);
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void write_relative(byte x, byte y, byte magic, const char* pattern);
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2019-05-28 01:52:00 +00:00
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// QUICK MACROS
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#define SYS_SETOUT(verbl,horcb,inmod)\
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__asm__("rst 0x38");\
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__asm__(".db 0x17");\
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__asm__(".db "#verbl);\
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__asm__(".db "#horcb);\
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__asm__(".db "#inmod);\
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#endif
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