149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
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#ifndef _ACBIOS_H
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#define _ACBIOS_H
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#include "aclib.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; // system font
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const FontDescriptor __at(0x20d) FNTSML; // small font
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const byte __at(0x214) ALKEYS[4]; // "all keys" keyboard mask
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// SENTRY
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typedef enum {
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SNUL,
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SCT0,SCT1,SCT2,SCT3,SCT4,SCT5,SCT6,SCT7,
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SF0,SF1,SF2,SF3,SF4,SF5,SF6,SF7,
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SSEC,
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SKYU,SKYD,
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ST0,SJ0,ST1,SJ1,ST2,SJ2,ST3,SJ3,
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SP0,SP1,SP2,SP3
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} SENTRYCode;
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typedef struct {
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byte code;
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word address;
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} DOITEntry;
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#define DOIT_END 0xff
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// PATTERNS
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typedef struct {
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sbyte xofs, yofs;
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byte xsize, ysize;
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byte pattern[0];
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} RelativeBlock;
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typedef struct {
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byte xsize, ysize;
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byte pattern[0];
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} PatternBlock;
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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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#define DISBCD_SML 0x40
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#define DISBCD_NOZERO 0x80
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void activate_interrupts(void);
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void sleep(byte frames) __z88dk_fastcall;
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void fast_vsync(void);
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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 blank_area(byte wb, byte h, byte data, byte* video);
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void write_relative(byte x, byte y, byte magic, const byte* pattern);
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void write_pattern(byte x, byte y, byte magic, const byte* pattern);
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void display_bcd_number(byte x, byte y, byte options, const byte* number, byte extopt);
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void bcdn_add(byte* dest, byte size, const byte* n);
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void bcdn_sub(byte* dest, byte size, const byte* n);
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byte ranged_random(byte n) __z88dk_fastcall;
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byte keycode_to_ascii(byte n) __z88dk_fastcall;
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word sense_transition(const byte keypad_mask[4]) __z88dk_fastcall;
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void respond_to_input(const DOITEntry* doit_table, byte a);
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void respond_to_input_b(const DOITEntry* doit_table, byte b);
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void begin_music(const byte* stack, byte voices, const byte* musicdata);
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void end_music(void);
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// QUICK MACROS
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#define SYS_ACTINT()\
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__asm__("rst 0x38");\
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__asm__(".db 0x0f");\
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#define SYS_PAWS(frames)\
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__asm__("rst 0x38");\
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__asm__(".db 0x51");\
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__asm__(".db "#frames);\
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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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#define SYS_FILL(dest,count,val)\
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__asm__("rst 0x38");\
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__asm__(".db 0x1b");\
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__asm__(".dw "#dest);\
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__asm__(".dw "#count);\
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__asm__(".db "#val);\
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#define SYS_MOVE(dest,src,count)\
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__asm__("rst 0x38");\
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__asm__(".db 0x5f");\
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__asm__(".dw "#dest);\
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__asm__(".dw "#count);\
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__asm__(".dw "#src);\
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#define SYS_RECTAN(x,y,width,height,color)\
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__asm__("rst 0x38");\
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__asm__(".db 0x1d");\
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__asm__(".db "#x);\
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__asm__(".db "#y);\
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__asm__(".db "#width);\
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__asm__(".db "#height);\
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__asm__(".db "#color);\
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#define SYS_BMUSIC(stack,voices,musicdata)\
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__asm__("rst 0x38");\
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__asm__(".db 0x13");\
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__asm__(".dw "#stack);\
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__asm__(".db "#voices);\
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__asm__(".dw "#musicdata);\
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#define SYS_EMUSIC()\
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__asm__("rst 0x38");\
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__asm__(".db 0x15");\
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#define RESET_TIMEOUT() \
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__asm__("ld a,#0xff");\
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__asm__("ld (0x4FEC),a");
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#endif
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