78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
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#ifndef VICILIB_H_
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#define VICILIB_H_
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typedef unsigned char byte;
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typedef unsigned word;
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#define POKE(addr,val) (*(unsigned char*) (addr) = (val))
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#define POKEW(addr,val) (*(unsigned*) (addr) = (val))
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#define PEEK(addr) (*(unsigned char*) (addr))
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#define PEEKW(addr) (*(unsigned*) (addr))
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// SID is visible in address BF00
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#define SID 0xbf00
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// CIA is visible in address BF80
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#define CIA_PORT_A 0xbf80
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#define CIA_PORT_B 0xbf81
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#define CIA_PORT_A_DATA_DIR 0xbf82
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#define CIA_PORT_B_DATA_DIR 0xbf83
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#define CIA_TIMER_A_VALUE 0xbf84 // word
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#define CIA_TIMER_B_VALUE 0xbf86 // word
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#define CIA_TOD_DS 0xbf88
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#define CIA_TOD_S 0xbf89
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#define CIA_TOD_MIN 0xbf8a
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#define CIA_TOD_HOUR 0xbf8b
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#define CIA_SERIAL_SHIFT_REG 0xbf8c
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#define CIA_IRQ_CTRL 0xbf8d
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#define CIA_TIMER_A_CTRL 0xbf8e
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#define CIA_TIMER_B_CTRL 0xbf8f
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// Only relevant bits defined here
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#define BIT_CIA_TIMER_START 0x1
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#define BIT_CIA_TIMER_UNDERFLOW_STOP 0x2
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#define BIT_CIA_TIMER_LOAD_VALUE 0x10
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#define BIT_CIA_TIMER_B_COUNT_UNDERFLOWS_OF_TIMER_A 0x20
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#define BIT_CIA_IRQ_CTRL_TIMER_A_UNDERFLOW 0x1
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#define BIT_CIA_IRQ_CTRL_TIMER_B_UNDERFLOW 0x2
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#define BIT_CIA_IRQ_CTRL_FILL_BIT 0x80 // set bits are set to this value
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// These are implemented in viciliba.s
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extern void initVicilib();
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extern void __fastcall__ putchar(byte c);
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extern void __fastcall__ printb(byte c);
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extern void irq;
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extern void __fastcall__ initSIDTune(word initAddress, word playAddress);
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//extern unsigned char __fastcall__ copyshort(unsigned char len, void *src, void *dst);
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// Implemented in vicilibc.c
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void prints(byte* string);
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void printsl(byte* string, byte len);
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void printw(word w);
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//void setIRQHandlerAddress(word address);
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void fixSIDTune(word address, word len);
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void stopPlaying();
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byte memcmp(byte* a1, byte* a2, byte len);
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#endif
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