ref: fcd896071ef85285b0a6dfcae57f927532d90337
dir: /fns.h/
#include <stdint.h> uint16_t memread(uint32_t); void memwrite(uint32_t, uint16_t, uint16_t); int z80step(void); uint8_t z80read(uint16_t); void z80write(uint16_t, uint8_t); uint8_t z80in(uint8_t); void z80out(uint8_t, uint8_t); void flush(void); void ymwrite(uint8_t, uint8_t, uint8_t);