From 9af4cf2d052fafae81f7b218efe9ac7470354863 Mon Sep 17 00:00:00 2001 From: Devine Lu Linvega Date: Tue, 2 Jul 2024 11:47:56 -0800 Subject: [PATCH] (uxn.c) Let LITs fall through --- src/uxn.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/src/uxn.c b/src/uxn.c index 6cda947..49fadcf 100644 --- a/src/uxn.c +++ b/src/uxn.c @@ -22,21 +22,20 @@ WITH REGARD TO THIS SOFTWARE. case 0xe0|opc: {int _2=1,_r=1,a,b,c; Stack *s = &uxn.rst; Uint8 kp = uxn.rst.ptr, *sp = &kp; body break;}\ } +#define FLP { s = _r ? &uxn.wst : &uxn.rst; } +#define JMI { pc += uxn.ram[pc++] << 8 | uxn.ram[pc++]; } #define JMP(x) { if(_2) pc = (x); else pc += (Sint8)(x); } #define POx(o) { if(_2) { PO2(o) } else PO1(o) } #define PUx(y) { if(_2) { PU2(y) } else PU1(y) } -#define DEI(o, p) { if(_2) { o = (emu_dei(p) << 8) | emu_dei(p + 1); } else o = emu_dei(p); } -#define DEO(p, y) { if(_2) { emu_deo(p, y >> 8); emu_deo(p + 1, y); } else emu_deo(p, y); } -#define PEK(o, x, r) { if(_2) { r = (x); o = uxn.ram[r++] << 8 | uxn.ram[r]; } else o = uxn.ram[(x)]; } -#define POK(x, y, r) { if(_2) { r = (x); uxn.ram[r++] = y >> 8; uxn.ram[r] = y; } else uxn.ram[(x)] = (y); } #define PO1(o) { o = s->dat[--*sp]; } #define PO2(o) { o = s->dat[--*sp] | (s->dat[--*sp] << 8); } #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 FLP { s = _r ? &uxn.wst : &uxn.rst; } - #define IMM(x, y) { uxn.x.dat[uxn.x.ptr++] = (y); } -#define JMI { pc += uxn.ram[pc++] << 8 | uxn.ram[pc++]; } +#define DEI(o, p) { if(_2) { o = (emu_dei(p) << 8) | emu_dei(p + 1); } else o = emu_dei(p); } +#define DEO(p, y) { if(_2) { emu_deo(p, y >> 8); emu_deo(p + 1, y); } else emu_deo(p, y); } +#define PEK(o, x, r) { if(_2) { r = (x); o = uxn.ram[r++] << 8 | uxn.ram[r]; } else o = uxn.ram[(x)]; } +#define POK(x, y, r) { if(_2) { r = (x); uxn.ram[r++] = y >> 8; uxn.ram[r] = y; } else uxn.ram[(x)] = (y); } int uxn_eval(Uint16 pc) @@ -50,10 +49,10 @@ uxn_eval(Uint16 pc) /* JCI */ case 0x20: if(uxn.wst.dat[--uxn.wst.ptr]) { JMI break; } pc += 2; break; /* JMI */ case 0x40: JMI break; /* JSI */ case 0x60: tt = pc + 2; IMM(rst, tt >> 8) IMM(rst, tt) JMI break; + /* LI2 */ case 0xa0: IMM(wst, uxn.ram[pc++]) /* LIT */ case 0x80: IMM(wst, uxn.ram[pc++]) break; - /* LI2 */ case 0xa0: IMM(wst, uxn.ram[pc++]) IMM(wst, uxn.ram[pc++]); break; + /* L2r */ case 0xe0: IMM(rst, uxn.ram[pc++]) /* LIr */ case 0xc0: IMM(rst, uxn.ram[pc++]) break; - /* L2r */ case 0xe0: IMM(rst, uxn.ram[pc++]) IMM(rst, uxn.ram[pc++]) break; /* INC */ OPC(0x01, POx(a) PUx(a + 1)) /* POP */ OPC(0x02, POx(a)) /* NIP */ OPC(0x03, POx(a) POx(b) PUx(a))