134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
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/*
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* Copyright (C) 1995 Sebastien Carlier
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*/
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#define VERSION "0.37"
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#include "hardware.h"
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#define XM 1
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#define SB 2
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#define SR 4
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#define MP 8
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#define CRC(nib) crc=(crc>>4)^(((crc^(nib))&0xf)*0x1081);
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#define ISMODULE(n,d) ((!ucfg[n])&&(d>=base[n])&&(d<(base[n]+size[n])))
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#define INTERRUPT(t) {INTP=1;rstkpush(pc);pc=0xf;}
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#define PCHANGED {F_s[0]=P;F_l[1]=P+1;}
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extern char A[16];
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extern char B[16];
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extern char C[16];
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extern char D[16];
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extern char R0[16];
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extern char R1[16];
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extern char R2[16];
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extern char R3[16];
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extern char R4[16];
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extern char ST[4];
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extern char HST, P;
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extern int OUT, IN;
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extern int SHUTDN, INTP, INTE, INTD, rstkp, MODE, CARRY;
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extern long rstk[8];
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extern long pc, d0, d1;
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extern int F_s[16];
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extern int F_l[16];
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extern char CARDSTATUS;
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extern char *rom, *ram, *port1, *port2, *data[6], ioram[64];
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extern int ucfg[6], bank1, bank2;
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extern long base[6], size[6];
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extern unsigned short crc;
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extern unsigned long t1, t2, saturn_speed;
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extern int quit;
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extern int load_state;
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extern int load();
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extern int save();
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extern void bank_save(char *mem, char *bn, int bank);
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extern void bank_load(char *mem, char *bn, int bank);
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extern void bank_switch(int bank);
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extern void emulate();
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extern long rstkpop();
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extern void rstkpush(long d);
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extern char *nibble_ptr(long d);
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extern char read_nibble(long d);
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extern char read_nibble_crc(long d);
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extern void write_nibble(long d, char c);
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extern char read_io(long d);
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extern void write_io(long d, char c);
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extern void config();
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extern void unconfig();
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extern void reset();
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extern void c_eq_id();
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extern void calibrate_timer();
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extern long Npack(char *a, int s);
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extern void Nunpack(char *a, long b, int s);
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extern void Nread(char *a, long b, int s);
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extern void NCread(char *a, long b, int s);
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extern void Nwrite(char *a, long b, int s);
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extern void Ncopy(char *a, char *b, int s);
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extern void Nxchg(char *a, char *b, int s);
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extern void Ninc(char *a, int s);
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extern void Ndec(char *a, int s);
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extern void Nadd(char *a, char *b, int s);
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extern void Nsub(char *a, char *b, int s);
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extern void Nrsub(char *a, char *b, int s);
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extern void Nand(char *a, char *b, int s);
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extern void Nor(char *a, char *b, int s);
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extern void Nzero(char *a, int s);
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extern void Nnot(char *a, int s);
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extern void Nneg(char *a, int s);
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extern void Nsl(char *a, int s);
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extern void Nsr(char *a, int s);
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extern void Nbit0(char *a, char b);
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extern void Nbit1(char *a, char b);
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extern void Nslc(char *a, int s);
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extern void Nsrc(char *a, int s);
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extern void Nsrb(char *a, int s);
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extern void Ndbl(char *a, int s);
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extern void Tbit0(char *a, char b);
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extern void Tbit1(char *a, char b);
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extern void Te(char *a, char *b, int s);
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extern void Tne(char *a, char *b, int s);
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extern void Tz(char *a, int s);
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extern void Tnz(char *a, int s);
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extern void Ta(char *a, char *b, int s);
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extern void Tae(char *a, char *b, int s);
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extern void Tb(char *a, char *b, int s);
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extern void Tbe(char *a, char *b, int s);
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#define P_FIELDScl(t,fn) extern void t##F##fn(char *a, long b, int f);
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#define P_FIELDScc(t,fn) extern void t##F##fn(char *a, char *b, int f);
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#define P_FIELDSc(t,fn) extern void t##F##fn(char *a, int f);
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P_FIELDScl(N,unpack)
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P_FIELDScl(NC,read)
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P_FIELDScl(N,write)
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P_FIELDScc(N,copy)
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P_FIELDScc(N,xchg)
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P_FIELDSc(N,inc)
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P_FIELDSc(N,dec)
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P_FIELDScc(N,add)
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P_FIELDScc(N,sub)
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P_FIELDScc(N,rsub)
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P_FIELDScc(N,and)
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P_FIELDScc(N,or)
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P_FIELDSc(N,zero)
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P_FIELDSc(N,not)
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P_FIELDSc(N,neg)
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P_FIELDSc(N,sr)
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P_FIELDSc(N,sl)
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P_FIELDSc(N,srb)
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P_FIELDSc(N,dbl)
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P_FIELDScc(T,e)
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P_FIELDScc(T,ne)
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P_FIELDSc(T,z)
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P_FIELDSc(T,nz)
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P_FIELDScc(T,a)
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P_FIELDScc(T,ae)
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P_FIELDScc(T,b)
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P_FIELDScc(T,be)
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