void flushcache(unsigned int beginning_addr, unsigned int end_addr, unsigned int flags);\r
+void block_or(void *src, size_t n, int pat);\r
+void block_and(void *src, size_t n, int pat);\r
+void block_andor(void *src, size_t n, int andpat, int orpat);\r
+void spend_cycles(int c); // utility\r
+void soft_scale(void *dst, unsigned short *pal, int offs, int lines);\r
\r