Use abc core
This commit is contained in:
Devine Lu Linvega
parent
3276f03ffe
commit
72994b6d50
|
|
@ -0,0 +1,120 @@
|
|||
#include "uxn.h"
|
||||
|
||||
/*
|
||||
Copyright (u) 2022-2023 Devine Lu Linvega, Andrew Alderwick, Andrew Richards
|
||||
|
||||
Permission to use, copy, modify, and distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
copyright notice and this permission notice appear in all copies.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
WITH REGARD TO THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
/* Registers
|
||||
[ Z ][ Y ][ X ][ L ][ N ][ T ] <
|
||||
[ . ][ . ][ . ][ H2 ][ . ] <
|
||||
[ L2 ][ N2 ][ T2 ] <
|
||||
*/
|
||||
|
||||
#define T *(s->dat + s->ptr)
|
||||
#define N *(s->dat + (Uint8)(s->ptr - 1))
|
||||
#define L *(s->dat + (Uint8)(s->ptr - 2))
|
||||
#define X *(s->dat + (Uint8)(s->ptr - 3))
|
||||
#define Y *(s->dat + (Uint8)(s->ptr - 4))
|
||||
#define Z *(s->dat + (Uint8)(s->ptr - 5))
|
||||
#define T2 (N << 8 | T)
|
||||
#define H2 (L << 8 | N)
|
||||
#define N2 (X << 8 | L)
|
||||
#define L2 (Z << 8 | Y)
|
||||
#define T2_(v) { r = (v); T = r; N = r >> 8; }
|
||||
#define N2_(v) { r = (v); L = r; X = r >> 8; }
|
||||
#define L2_(v) { r = (v); Y = r; Z = r >> 8; }
|
||||
#define FLIP(y) { s = ins & 0x40 ? &uxn.wst : &uxn.rst; s->ptr += y; }
|
||||
#define SET(x, y) { s->ptr += (ins & 0x80) ? x + y : y; }
|
||||
|
||||
int
|
||||
uxn_eval(Uint16 pc)
|
||||
{
|
||||
Uint16 t, n, l, x, r;
|
||||
Uint8 *rr;
|
||||
if(!pc || uxn.dev[0x0f]) return 0;
|
||||
for(;;) {
|
||||
Uint8 ins = uxn.ram[pc++];
|
||||
if(ins & 0x1f) {
|
||||
Stack *s = ins & 0x40 ? &uxn.rst : &uxn.wst;
|
||||
switch(ins & 0x3f) {
|
||||
case 0x01: /* INC */ t=T; SET(1, 0) T = t + 1; break;
|
||||
case 0x21: /* INC2 */ t=T2; SET(2, 0) T2_(t + 1) break;
|
||||
case 0x02: /* POP */ SET(1,-1) break;
|
||||
case 0x22: /* POP2 */ SET(2,-2) break;
|
||||
case 0x03: /* NIP */ t=T; SET(2,-1) T = t; break;
|
||||
case 0x23: /* NIP2 */ t=T,n=N; SET(4,-2) T = t, N = n; break;
|
||||
case 0x04: /* SWP */ t=T;n=N; SET(2, 0) T = n, N = t; break;
|
||||
case 0x24: /* SWP2 */ t=T,n=N,l=L,x=X;SET(4, 0) T = l, N = x, L = t, X = n; break;
|
||||
case 0x05: /* ROT */ t=T,n=N,l=L; SET(3, 0) T = l, N = t, L = n; break;
|
||||
case 0x25: /* ROT2 */ t=T2,n=N2,l=L2; SET(6, 0) T2_(l) N2_(t) L2_(n) break;
|
||||
case 0x06: /* DUP */ t=T; SET(1, 1) T = t, N = t; break;
|
||||
case 0x26: /* DUP2 */ t=T,n=N; SET(2, 2) T = t, N = n, L = t, X = n; break;
|
||||
case 0x07: /* OVR */ t=T,n=N; SET(2, 1) T = n, N = t, L = n; break;
|
||||
case 0x27: /* OVR2 */ t=T,n=N,l=L,x=X;SET(4, 2) T = l, N = x, L = t, X = n, Y = l, Z = x; break;
|
||||
case 0x08: /* EQU */ t=T,n=N; SET(2,-1) T = n == t; break;
|
||||
case 0x28: /* EQU2 */ t=T2,n=N2; SET(4,-3) T = n == t; break;
|
||||
case 0x09: /* NEQ */ t=T,n=N; SET(2,-1) T = n != t; break;
|
||||
case 0x29: /* NEQ2 */ t=T2,n=N2; SET(4,-3) T = n != t; break;
|
||||
case 0x0a: /* GTH */ t=T,n=N; SET(2,-1) T = n > t; break;
|
||||
case 0x2a: /* GTH2 */ t=T2,n=N2; SET(4,-3) T = n > t; break;
|
||||
case 0x0b: /* LTH */ t=T,n=N; SET(2,-1) T = n < t; break;
|
||||
case 0x2b: /* LTH2 */ t=T2,n=N2; SET(4,-3) T = n < t; break;
|
||||
case 0x0c: /* JMP */ t=T; SET(1,-1) pc += (Sint8)t; break;
|
||||
case 0x2c: /* JMP2 */ t=T2; SET(2,-2) pc = t; break;
|
||||
case 0x0d: /* JCN */ t=T,n=N; SET(2,-2) if(n) pc += (Sint8)t; break;
|
||||
case 0x2d: /* JCN2 */ t=T2,n=L; SET(3,-3) if(n) pc = t; break;
|
||||
case 0x0e: /* JSR */ t=T; SET(1,-1) FLIP(2) T2_(pc) pc += (Sint8)t; break;
|
||||
case 0x2e: /* JSR2 */ t=T2; SET(2,-2) FLIP(2) T2_(pc) pc = t; break;
|
||||
case 0x0f: /* STH */ t=T; SET(1,-1) FLIP(1) T = t; break;
|
||||
case 0x2f: /* STH2 */ t=T,n=N; SET(2,-2) FLIP(2) T = t, N = n; break;
|
||||
case 0x10: /* LDZ */ t=T; SET(1, 0) T = uxn.ram[t]; break;
|
||||
case 0x30: /* LDZ2 */ t=T; SET(1, 1) N = uxn.ram[t++], T = uxn.ram[(Uint8)t]; break;
|
||||
case 0x11: /* STZ */ t=T,n=N; SET(2,-2) uxn.ram[t] = n; break;
|
||||
case 0x31: /* STZ2 */ t=T,n=H2; SET(3,-3) uxn.ram[t++] = n >> 8, uxn.ram[(Uint8)t] = n; break;
|
||||
case 0x12: /* LDR */ t=T; SET(1, 0) r = pc + (Sint8)t, T = uxn.ram[r]; break;
|
||||
case 0x32: /* LDR2 */ t=T; SET(1, 1) r = pc + (Sint8)t, N = uxn.ram[r++], T = uxn.ram[r]; break;
|
||||
case 0x13: /* STR */ t=T,n=N; SET(2,-2) r = pc + (Sint8)t, uxn.ram[r] = n; break;
|
||||
case 0x33: /* STR2 */ t=T,n=H2; SET(3,-3) r = pc + (Sint8)t, uxn.ram[r++] = n >> 8, uxn.ram[r] = n; break;
|
||||
case 0x14: /* LDA */ t=T2; SET(2,-1) T = uxn.ram[t]; break;
|
||||
case 0x34: /* LDA2 */ t=T2; SET(2, 0) N = uxn.ram[t++], T = uxn.ram[t]; break;
|
||||
case 0x15: /* STA */ t=T2,n=L; SET(3,-3) uxn.ram[t] = n; break;
|
||||
case 0x35: /* STA2 */ t=T2,n=N2; SET(4,-4) uxn.ram[t++] = n >> 8, uxn.ram[t] = n; break;
|
||||
case 0x16: /* DEI */ t=T; SET(1, 0) T = emu_dei(t); break;
|
||||
case 0x36: /* DEI2 */ t=T; SET(1, 1) N = emu_dei(t++), T = emu_dei(t); break;
|
||||
case 0x17: /* DEO */ t=T,n=N; SET(2,-2) emu_deo(t, n); break;
|
||||
case 0x37: /* DEO2 */ t=T,n=N,l=L; SET(3,-3) emu_deo(t++, l), emu_deo(t, n); break;
|
||||
case 0x18: /* ADD */ t=T,n=N; SET(2,-1) T = n + t; break;
|
||||
case 0x38: /* ADD2 */ t=T2,n=N2; SET(4,-2) T2_(n + t) break;
|
||||
case 0x19: /* SUB */ t=T,n=N; SET(2,-1) T = n - t; break;
|
||||
case 0x39: /* SUB2 */ t=T2,n=N2; SET(4,-2) T2_(n - t) break;
|
||||
case 0x1a: /* MUL */ t=T,n=N; SET(2,-1) T = n * t; break;
|
||||
case 0x3a: /* MUL2 */ t=T2,n=N2; SET(4,-2) T2_(n * t) break;
|
||||
case 0x1b: /* DIV */ t=T,n=N; SET(2,-1) T = t ? n / t : 0; break;
|
||||
case 0x3b: /* DIV2 */ t=T2,n=N2; SET(4,-2) T2_(t ? n / t : 0) break;
|
||||
case 0x1c: /* AND */ t=T,n=N; SET(2,-1) T = n & t; break;
|
||||
case 0x3c: /* AND2 */ t=T2,n=N2; SET(4,-2) T2_(n & t) break;
|
||||
case 0x1d: /* ORA */ t=T,n=N; SET(2,-1) T = n | t; break;
|
||||
case 0x3d: /* ORA2 */ t=T2,n=N2; SET(4,-2) T2_(n | t) break;
|
||||
case 0x1e: /* EOR */ t=T,n=N; SET(2,-1) T = n ^ t; break;
|
||||
case 0x3e: /* EOR2 */ t=T2,n=N2; SET(4,-2) T2_(n ^ t) break;
|
||||
case 0x1f: /* SFT */ t=T,n=N; SET(2,-1) T = n >> (t & 0xf) << (t >> 4); break;
|
||||
case 0x3f: /* SFT2 */ t=T,n=H2; SET(3,-1) T2_(n >> (t & 0xf) << (t >> 4)) break; }
|
||||
} else
|
||||
switch(ins) {
|
||||
case 0x00: /* BRK */ return 1;
|
||||
case 0x20: /* JCI */ if(!uxn.wst.dat[uxn.wst.ptr--]) { pc += 2; break; } /* fall */
|
||||
case 0x40: /* JMI */ rr = uxn.ram + pc, pc += 2 + PEEK2(rr); break;
|
||||
case 0x60: /* JSI */ rr = uxn.ram + pc, pc += 2, uxn.rst.dat[++uxn.rst.ptr] = pc >> 8, uxn.rst.dat[++uxn.rst.ptr] = pc, pc += PEEK2(rr); break;
|
||||
case 0xa0: /* LIT2 */ uxn.wst.dat[++uxn.wst.ptr] = uxn.ram[pc++]; /* fall */
|
||||
case 0x80: /* LIT */ uxn.wst.dat[++uxn.wst.ptr] = uxn.ram[pc++]; break;
|
||||
case 0xe0: /* LIT2r */ uxn.rst.dat[++uxn.rst.ptr] = uxn.ram[pc++]; /* fall */
|
||||
case 0xc0: /* LITr */ uxn.rst.dat[++uxn.rst.ptr] = uxn.ram[pc++]; break; }
|
||||
}
|
||||
}
|
||||
154
src/uxn.c
154
src/uxn.c
|
|
@ -1,7 +1,7 @@
|
|||
#include "uxn.h"
|
||||
|
||||
/*
|
||||
Copyright (u) 2022-2023 Devine Lu Linvega, Andrew Alderwick, Andrew Richards
|
||||
Copyright (u) 2022-2024 Devine Lu Linvega, Andrew Alderwick, Andrew Richards
|
||||
|
||||
Permission to use, copy, modify, and distribute this software for any
|
||||
purpose with or without fee is hereby granted, provided that the above
|
||||
|
|
@ -17,104 +17,72 @@ WITH REGARD TO THIS SOFTWARE.
|
|||
[ L2 ][ N2 ][ T2 ] <
|
||||
*/
|
||||
|
||||
#define T *(s->dat + s->ptr)
|
||||
#define N *(s->dat + (Uint8)(s->ptr - 1))
|
||||
#define L *(s->dat + (Uint8)(s->ptr - 2))
|
||||
#define X *(s->dat + (Uint8)(s->ptr - 3))
|
||||
#define Y *(s->dat + (Uint8)(s->ptr - 4))
|
||||
#define Z *(s->dat + (Uint8)(s->ptr - 5))
|
||||
#define T2 (N << 8 | T)
|
||||
#define H2 (L << 8 | N)
|
||||
#define N2 (X << 8 | L)
|
||||
#define L2 (Z << 8 | Y)
|
||||
#define T2_(v) { r = (v); T = r; N = r >> 8; }
|
||||
#define N2_(v) { r = (v); L = r; X = r >> 8; }
|
||||
#define L2_(v) { r = (v); Y = r; Z = r >> 8; }
|
||||
#define FLIP(y) { s = ins & 0x40 ? &uxn.wst : &uxn.rst; s->ptr += y; }
|
||||
#define SET(x, y) { s->ptr += (ins & 0x80) ? x + y : y; }
|
||||
#define FLP { s = ins & 0x40 ? &uxn.wst : &uxn.rst; }
|
||||
#define JMP(x) { if(m2) pc = (x); else pc += (Sint8)(x); }
|
||||
#define PO1(o) { o = s->dat[--*sp]; }
|
||||
#define PO2(o) { o = s->dat[--*sp] | (s->dat[--*sp] << 0x8); }
|
||||
#define POx(o) { if(m2) { PO2(o) } else PO1(o) }
|
||||
#define PU1(y) { s->dat[s->ptr++] = (y); }
|
||||
#define PU2(y) { tt = (y); s->dat[s->ptr++] = tt >> 0x8; s->dat[s->ptr++] = tt; }
|
||||
#define PUx(y) { if(m2) { PU2(y) } else PU1(y) }
|
||||
#define PEK(o, x, r) { if(m2) { r = (x); o = uxn.ram[r++] << 8 | uxn.ram[r]; } else o = uxn.ram[(x)]; }
|
||||
#define POK(x, y, r) { if(m2) { r = (x); uxn.ram[r++] = y >> 8; uxn.ram[r] = y; } else uxn.ram[(x)] = (y); }
|
||||
#define DEI(o, p) { if(m2) { o = (emu_dei(p) << 8) | emu_dei(p + 1); } else o = emu_dei(p); }
|
||||
#define DEO(p, y) { if(m2) { emu_deo(p, y >> 8); emu_deo(p + 1, y); } else emu_deo(p, y); }
|
||||
|
||||
#define OPC(x, body) { case x: body break; }
|
||||
|
||||
int
|
||||
uxn_eval(Uint16 pc)
|
||||
{
|
||||
Uint16 t, n, l, x, r;
|
||||
Uint8 *rr;
|
||||
if(!pc || uxn.dev[0x0f]) return 0;
|
||||
for(;;) {
|
||||
Uint8 ins = uxn.ram[pc++];
|
||||
if(ins & 0x1f) {
|
||||
Stack *s = ins & 0x40 ? &uxn.rst : &uxn.wst;
|
||||
switch(ins & 0x3f) {
|
||||
case 0x01: /* INC */ t=T; SET(1, 0) T = t + 1; break;
|
||||
case 0x21: /* INC2 */ t=T2; SET(2, 0) T2_(t + 1) break;
|
||||
case 0x02: /* POP */ SET(1,-1) break;
|
||||
case 0x22: /* POP2 */ SET(2,-2) break;
|
||||
case 0x03: /* NIP */ t=T; SET(2,-1) T = t; break;
|
||||
case 0x23: /* NIP2 */ t=T,n=N; SET(4,-2) T = t, N = n; break;
|
||||
case 0x04: /* SWP */ t=T;n=N; SET(2, 0) T = n, N = t; break;
|
||||
case 0x24: /* SWP2 */ t=T,n=N,l=L,x=X;SET(4, 0) T = l, N = x, L = t, X = n; break;
|
||||
case 0x05: /* ROT */ t=T,n=N,l=L; SET(3, 0) T = l, N = t, L = n; break;
|
||||
case 0x25: /* ROT2 */ t=T2,n=N2,l=L2; SET(6, 0) T2_(l) N2_(t) L2_(n) break;
|
||||
case 0x06: /* DUP */ t=T; SET(1, 1) T = t, N = t; break;
|
||||
case 0x26: /* DUP2 */ t=T,n=N; SET(2, 2) T = t, N = n, L = t, X = n; break;
|
||||
case 0x07: /* OVR */ t=T,n=N; SET(2, 1) T = n, N = t, L = n; break;
|
||||
case 0x27: /* OVR2 */ t=T2,n=N2; SET(4, 2) T2_(n) N2_(t) L2_(n) break;
|
||||
case 0x08: /* EQU */ t=T,n=N; SET(2,-1) T = n == t; break;
|
||||
case 0x28: /* EQU2 */ t=T2,n=N2; SET(4,-3) T = n == t; break;
|
||||
case 0x09: /* NEQ */ t=T,n=N; SET(2,-1) T = n != t; break;
|
||||
case 0x29: /* NEQ2 */ t=T2,n=N2; SET(4,-3) T = n != t; break;
|
||||
case 0x0a: /* GTH */ t=T,n=N; SET(2,-1) T = n > t; break;
|
||||
case 0x2a: /* GTH2 */ t=T2,n=N2; SET(4,-3) T = n > t; break;
|
||||
case 0x0b: /* LTH */ t=T,n=N; SET(2,-1) T = n < t; break;
|
||||
case 0x2b: /* LTH2 */ t=T2,n=N2; SET(4,-3) T = n < t; break;
|
||||
case 0x0c: /* JMP */ t=T; SET(1,-1) pc += (Sint8)t; break;
|
||||
case 0x2c: /* JMP2 */ t=T2; SET(2,-2) pc = t; break;
|
||||
case 0x0d: /* JCN */ t=T,n=N; SET(2,-2) if(n) pc += (Sint8)t; break;
|
||||
case 0x2d: /* JCN2 */ t=T2,n=L; SET(3,-3) if(n) pc = t; break;
|
||||
case 0x0e: /* JSR */ t=T; SET(1,-1) FLIP(2) T2_(pc) pc += (Sint8)t; break;
|
||||
case 0x2e: /* JSR2 */ t=T2; SET(2,-2) FLIP(2) T2_(pc) pc = t; break;
|
||||
case 0x0f: /* STH */ t=T; SET(1,-1) FLIP(1) T = t; break;
|
||||
case 0x2f: /* STH2 */ t=T,n=N; SET(2,-2) FLIP(2) T = t, N = n; break;
|
||||
case 0x10: /* LDZ */ t=T; SET(1, 0) T = uxn.ram[t]; break;
|
||||
case 0x30: /* LDZ2 */ t=T; SET(1, 1) N = uxn.ram[t++], T = uxn.ram[(Uint8)t]; break;
|
||||
case 0x11: /* STZ */ t=T,n=N; SET(2,-2) uxn.ram[t] = n; break;
|
||||
case 0x31: /* STZ2 */ t=T,n=H2; SET(3,-3) uxn.ram[t++] = n >> 8, uxn.ram[(Uint8)t] = n; break;
|
||||
case 0x12: /* LDR */ t=T; SET(1, 0) r = pc + (Sint8)t, T = uxn.ram[r]; break;
|
||||
case 0x32: /* LDR2 */ t=T; SET(1, 1) r = pc + (Sint8)t, N = uxn.ram[r++], T = uxn.ram[r]; break;
|
||||
case 0x13: /* STR */ t=T,n=N; SET(2,-2) r = pc + (Sint8)t, uxn.ram[r] = n; break;
|
||||
case 0x33: /* STR2 */ t=T,n=H2; SET(3,-3) r = pc + (Sint8)t, uxn.ram[r++] = n >> 8, uxn.ram[r] = n; break;
|
||||
case 0x14: /* LDA */ t=T2; SET(2,-1) T = uxn.ram[t]; break;
|
||||
case 0x34: /* LDA2 */ t=T2; SET(2, 0) N = uxn.ram[t++], T = uxn.ram[t]; break;
|
||||
case 0x15: /* STA */ t=T2,n=L; SET(3,-3) uxn.ram[t] = n; break;
|
||||
case 0x35: /* STA2 */ t=T2,n=N2; SET(4,-4) uxn.ram[t++] = n >> 8, uxn.ram[t] = n; break;
|
||||
case 0x16: /* DEI */ t=T; SET(1, 0) T = emu_dei(t); break;
|
||||
case 0x36: /* DEI2 */ t=T; SET(1, 1) N = emu_dei(t++), T = emu_dei(t); break;
|
||||
case 0x17: /* DEO */ t=T,n=N; SET(2,-2) emu_deo(t, n); break;
|
||||
case 0x37: /* DEO2 */ t=T,n=N,l=L; SET(3,-3) emu_deo(t++, l), emu_deo(t, n); break;
|
||||
case 0x18: /* ADD */ t=T,n=N; SET(2,-1) T = n + t; break;
|
||||
case 0x38: /* ADD2 */ t=T2,n=N2; SET(4,-2) T2_(n + t) break;
|
||||
case 0x19: /* SUB */ t=T,n=N; SET(2,-1) T = n - t; break;
|
||||
case 0x39: /* SUB2 */ t=T2,n=N2; SET(4,-2) T2_(n - t) break;
|
||||
case 0x1a: /* MUL */ t=T,n=N; SET(2,-1) T = n * t; break;
|
||||
case 0x3a: /* MUL2 */ t=T2,n=N2; SET(4,-2) T2_(n * t) break;
|
||||
case 0x1b: /* DIV */ t=T,n=N; SET(2,-1) T = t ? n / t : 0; break;
|
||||
case 0x3b: /* DIV2 */ t=T2,n=N2; SET(4,-2) T2_(t ? n / t : 0) break;
|
||||
case 0x1c: /* AND */ t=T,n=N; SET(2,-1) T = n & t; break;
|
||||
case 0x3c: /* AND2 */ t=T2,n=N2; SET(4,-2) T2_(n & t) break;
|
||||
case 0x1d: /* ORA */ t=T,n=N; SET(2,-1) T = n | t; break;
|
||||
case 0x3d: /* ORA2 */ t=T2,n=N2; SET(4,-2) T2_(n | t) break;
|
||||
case 0x1e: /* EOR */ t=T,n=N; SET(2,-1) T = n ^ t; break;
|
||||
case 0x3e: /* EOR2 */ t=T2,n=N2; SET(4,-2) T2_(n ^ t) break;
|
||||
case 0x1f: /* SFT */ t=T,n=N; SET(2,-1) T = n >> (t & 0xf) << (t >> 4); break;
|
||||
case 0x3f: /* SFT2 */ t=T,n=H2; SET(3,-1) T2_(n >> (t & 0xf) << (t >> 4)) break; }
|
||||
} else
|
||||
Uint16 tt, a, b, c;
|
||||
Uint8 t, kp, *sp, ins = uxn.ram[pc++];
|
||||
/* 2 */ Uint8 m2 = ins & 0x20;
|
||||
/* r */ Stack *s = ins & 0x40 ? &uxn.rst : &uxn.wst;
|
||||
/* k */ if(ins & 0x80) kp = s->ptr, sp = &kp; else sp = &s->ptr;
|
||||
switch(ins & 0x1f) {
|
||||
case 0x00:
|
||||
switch(ins) {
|
||||
case 0x00: /* BRK */ return 1;
|
||||
case 0x20: /* JCI */ if(!uxn.wst.dat[uxn.wst.ptr--]) { pc += 2; break; } /* fall */
|
||||
case 0x40: /* JMI */ rr = uxn.ram + pc, pc += 2 + PEEK2(rr); break;
|
||||
case 0x60: /* JSI */ rr = uxn.ram + pc, pc += 2, uxn.rst.dat[++uxn.rst.ptr] = pc >> 8, uxn.rst.dat[++uxn.rst.ptr] = pc, pc += PEEK2(rr); break;
|
||||
case 0xa0: /* LIT2 */ uxn.wst.dat[++uxn.wst.ptr] = uxn.ram[pc++]; /* fall */
|
||||
case 0x80: /* LIT */ uxn.wst.dat[++uxn.wst.ptr] = uxn.ram[pc++]; break;
|
||||
case 0xe0: /* LIT2r */ uxn.rst.dat[++uxn.rst.ptr] = uxn.ram[pc++]; /* fall */
|
||||
case 0xc0: /* LITr */ uxn.rst.dat[++uxn.rst.ptr] = uxn.ram[pc++]; break; }
|
||||
/* BRK */ case 0x00: return 1;
|
||||
/* JCI */ case 0x20: PO1(b) if(!b) { pc += 2; break; } a = uxn.ram[pc++] << 8 | uxn.ram[pc++]; pc += a; break;
|
||||
/* JMI */ case 0x40: a = uxn.ram[pc++] << 8 | uxn.ram[pc++]; pc += a; break;
|
||||
/* JSI */ case 0x60: PU2(pc + 2) a = uxn.ram[pc++] << 8 | uxn.ram[pc++]; pc += a; break;
|
||||
/* LIT2 */ case 0xa0: case 0xe0: PU1(uxn.ram[pc++]) PU1(uxn.ram[pc++]) break;
|
||||
/* LIT */ case 0x80: case 0xc0: PU1(uxn.ram[pc++]) break;
|
||||
} break;
|
||||
/* INC */ OPC(0x01, POx(a) PUx(a + 1))
|
||||
/* POP */ OPC(0x02, POx(a))
|
||||
/* NIP */ OPC(0x03, POx(a) POx(b) PUx(a))
|
||||
/* SWP */ OPC(0x04, POx(a) POx(b) PUx(a) PUx(b))
|
||||
/* ROT */ OPC(0x05, POx(a) POx(b) POx(c) PUx(b) PUx(a) PUx(c))
|
||||
/* DUP */ OPC(0x06, POx(a) PUx(a) PUx(a))
|
||||
/* OVR */ OPC(0x07, POx(a) POx(b) PUx(b) PUx(a) PUx(b))
|
||||
/* EQU */ OPC(0x08, POx(a) POx(b) PU1(b == a))
|
||||
/* NEQ */ OPC(0x09, POx(a) POx(b) PU1(b != a))
|
||||
/* GTH */ OPC(0x0a, POx(a) POx(b) PU1(b > a))
|
||||
/* LTH */ OPC(0x0b, POx(a) POx(b) PU1(b < a))
|
||||
/* JMP */ OPC(0x0c, POx(a) JMP(a))
|
||||
/* JCN */ OPC(0x0d, POx(a) PO1(b) if(b) JMP(a))
|
||||
/* JSR */ OPC(0x0e, POx(a) FLP PU2(pc) JMP(a))
|
||||
/* STH */ OPC(0x0f, POx(a) FLP PUx(a))
|
||||
/* LDZ */ OPC(0x10, PO1(a) PEK(b, a, t) PUx(b))
|
||||
/* STZ */ OPC(0x11, PO1(a) POx(b) POK(a, b, t))
|
||||
/* LDR */ OPC(0x12, PO1(a) PEK(b, pc + (Sint8)a, tt) PUx(b))
|
||||
/* STR */ OPC(0x13, PO1(a) POx(b) POK(pc + (Sint8)a, b, tt))
|
||||
/* LDA */ OPC(0x14, PO2(a) PEK(b, a, tt) PUx(b))
|
||||
/* STA */ OPC(0x15, PO2(a) POx(b) POK(a, b, tt))
|
||||
/* DEI */ OPC(0x16, PO1(a) DEI(b, a) PUx(b))
|
||||
/* DEO */ OPC(0x17, PO1(a) POx(b) DEO(a, b))
|
||||
/* ADD */ OPC(0x18, POx(a) POx(b) PUx(b + a))
|
||||
/* SUB */ OPC(0x19, POx(a) POx(b) PUx(b - a))
|
||||
/* MUL */ OPC(0x1a, POx(a) POx(b) PUx(b * a))
|
||||
/* DIV */ OPC(0x1b, POx(a) POx(b) PUx(a ? b / a : 0))
|
||||
/* AND */ OPC(0x1c, POx(a) POx(b) PUx(b & a))
|
||||
/* ORA */ OPC(0x1d, POx(a) POx(b) PUx(b | a))
|
||||
/* EOR */ OPC(0x1e, POx(a) POx(b) PUx(b ^ a))
|
||||
/* SFT */ OPC(0x1f, PO1(a) POx(b) PUx(b >> (a & 0xf) << (a >> 4)))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue