1 void flushcache(unsigned int beginning_addr, unsigned int end_addr, unsigned int flags);
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2 void block_or(void *src, size_t n, int pat);
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3 void block_and(void *src, size_t n, int pat);
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4 void block_andor(void *src, size_t n, int andpat, int orpat);
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5 void spend_cycles(int c); // utility
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6 void soft_scale(void *dst, unsigned short *pal, int offs, int lines);
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