98 lines
1.7 KiB
C
98 lines
1.7 KiB
C
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/*
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* Author: JohnXenox aka Aleksandr Igorevich.
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*
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* PlayNote_lib1.h
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*/
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#ifndef __PlayNote_lib1_h__
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#define __PlayNote_lib1_h__
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static inline int initMemory(void)
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{
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int size;
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__asm__ __volatile__("int $0x40":"=a"(size):"a"(68),"b"(11));
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return size;
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}
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static inline void makeDelay(int time)
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{
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__asm__ __volatile__("int $0x40"::"a"(5), "b"(time):"memory");
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}
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static inline void *openFile(int *length, const char *path)
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{
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int *fd;
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__asm__ __volatile__ ("int $0x40":"=a"(fd), "=d"(*length):"a" (68), "b"(27),"c"(path));
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return fd;
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}
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static inline void setCurrentPathToARawFile(char *dst_path, char *src_path, char* file_name)
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{
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unsigned offset = 0;
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// cleans a dst path if not clean.
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if(dst_path[offset] != 0)
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{
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for(; dst_path[offset] != 0; offset++) dst_path[offset] = 0;
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}
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// copys current path into a buffer.
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strcpy(dst_path, src_path);
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offset = 0;
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// go to the end of a string.
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while(dst_path[offset] != 0) offset++;
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// clears all bytes to a character '/'.
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for(; dst_path[offset] != '/'; offset--) dst_path[offset] = 0;
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// increments a variable.
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offset++;
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// stores a name of a file in a buffer.
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strcpy(dst_path + offset, file_name);
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}
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void __attribute__ ((noinline)) printfOnADebugBoard(const char *format,...)
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{
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va_list ap;
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char log_board[300];
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va_start (ap, format);
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tiny_vsnprintf(log_board, sizeof log_board, format, ap);
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va_end(ap);
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char *str = log_board;
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while(*str) __asm__ __volatile__("int $0x40"::"a"(63), "b"(1), "c"(*str++));
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}
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#endif
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