rand.h

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#ifndef RAND_INCLUDE
#define RAND_INCLUDE
 
#include <types.h>
#include <stdint.h>
 
#if defined(__PORT_sm83) || defined(__PORT_mos6502)
void initrand(uint16_t seed) OLDCALL;
#elif defined(__PORT_z80)
void initrand(uint16_t seed) Z88DK_FASTCALL;
#endif
 
#define RAND_MAX 255
#define RANDW_MAX 65535
 
extern uint16_t __rand_seed;
 
#if defined(__PORT_sm83)
uint8_t rand(void) OLDCALL PRESERVES_REGS(b, c);
#elif defined(__PORT_z80)
uint8_t rand(void) OLDCALL PRESERVES_REGS(b, c, iyh, iyl);
#elif defined(__PORT_mos6502)
uint8_t rand(void);
#endif
 
#if defined(__PORT_sm83)
uint16_t randw(void) OLDCALL PRESERVES_REGS(b, c);
#elif defined(__PORT_z80)
uint16_t randw(void) OLDCALL PRESERVES_REGS(b, c, iyh, iyl);
#elif defined(__PORT_mos6502)
uint16_t randw(void);
#endif
 
#if defined(__PORT_sm83) || defined(__PORT_mos6502)
void initarand(uint16_t seed) OLDCALL;
#elif defined(__PORT_z80)
void initarand(uint16_t seed) Z88DK_FASTCALL;
#endif
 
#if defined(__PORT_sm83)
uint8_t arand(void) OLDCALL PRESERVES_REGS(b, c);
#elif defined(__PORT_z80)
uint8_t arand(void) OLDCALL PRESERVES_REGS(b, c, iyh, iyl);
#elif defined(__PORT_mos6502)
uint8_t arand(void);
#endif
 
#endif