From d27602d98afffa3bf1df7be5ff1fc0b21bf333f0 Mon Sep 17 00:00:00 2001 From: Devine Lu Linvega Date: Mon, 12 Aug 2024 09:33:47 -0700 Subject: [PATCH] (uxn.c) Removed IMM macro for INC/DEC --- src/uxn.c | 46 ++++++++++++++++++++++++---------------------- 1 file changed, 24 insertions(+), 22 deletions(-) diff --git a/src/uxn.c b/src/uxn.c index 891350b..13a2877 100644 --- a/src/uxn.c +++ b/src/uxn.c @@ -12,28 +12,31 @@ WITH REGARD TO THIS SOFTWARE. */ #define OPC(opc, init, body) {\ - case 0x00|opc: {enum{_2=0,_r=0}; s = &uxn.wst; init; body; break;}\ - case 0x20|opc: {enum{_2=1,_r=0}; s = &uxn.wst; init; body; break;}\ - case 0x40|opc: {enum{_2=0,_r=1}; s = &uxn.rst; init; body; break;}\ - case 0x60|opc: {enum{_2=1,_r=1}; s = &uxn.rst; init; body; break;}\ - case 0x80|opc: {enum{_2=0,_r=0}; s = &uxn.wst, k = uxn.wst.ptr; init; uxn.wst.ptr = k; body; break;}\ - case 0xa0|opc: {enum{_2=1,_r=0}; s = &uxn.wst, k = uxn.wst.ptr; init; uxn.wst.ptr = k; body; break;}\ - case 0xc0|opc: {enum{_2=0,_r=1}; s = &uxn.rst, k = uxn.rst.ptr; init; uxn.rst.ptr = k; body; break;}\ - case 0xe0|opc: {enum{_2=1,_r=1}; s = &uxn.rst, k = uxn.rst.ptr; init; uxn.rst.ptr = k; body; break;}\ + case 0x00|opc: {enum{_2=0,_r=0}; init; body; break;}\ + case 0x20|opc: {enum{_2=1,_r=0}; init; body; break;}\ + case 0x40|opc: {enum{_2=0,_r=1}; init; body; break;}\ + case 0x60|opc: {enum{_2=1,_r=1}; init; body; break;}\ + case 0x80|opc: {enum{_2=0,_r=0}; k = uxn.wst.ptr; init; uxn.wst.ptr = k; body; break;}\ + case 0xa0|opc: {enum{_2=1,_r=0}; k = uxn.wst.ptr; init; uxn.wst.ptr = k; body; break;}\ + case 0xc0|opc: {enum{_2=0,_r=1}; k = uxn.rst.ptr; init; uxn.rst.ptr = k; body; break;}\ + case 0xe0|opc: {enum{_2=1,_r=1}; k = uxn.rst.ptr; init; uxn.rst.ptr = k; body; break;}\ } /* Microcode */ -#define FLP { s = _r ? &uxn.wst : &uxn.rst; } +#define INC(s) uxn.s.dat[uxn.s.ptr++] +#define DEC(s) uxn.s.dat[--uxn.s.ptr] #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 PO1(o) { o = s->dat[--s->ptr]; } -#define PO2(o) { o = s->dat[--s->ptr] | (s->dat[--s->ptr] << 8); } +#define PO2(o) { if(_r) o = DEC(rst) | (DEC(rst) << 8); else o = DEC(wst) | (DEC(wst) << 8); } +#define PO1(o) { if(_r) o = DEC(rst); else o = DEC(wst); } #define PUx(y) { if(_2) { PU2(y) } else PU1(y) } -#define PU1(y) { s->dat[s->ptr++] = (y); } #define PU2(y) { tt = (y); PU1(tt >> 8) PU1(tt) } -#define IMM(x, y) { uxn.x.dat[uxn.x.ptr++] = (y); } +#define PU1(y) { if(_r) INC(rst) = y; else INC(wst) = y; } +#define PFx(y) { if(_2) { PF2(y) } else PF1(y) } +#define PF2(y) { tt = (y); PF1(tt >> 8) PF1(tt) } +#define PF1(y) { if(_r) INC(wst) = y; else INC(rst) = y; } #define DEI(p, o) { 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)]; } @@ -45,18 +48,17 @@ uxn_eval(Uint16 pc) int a,b,c,k; Uint8 t; Uint16 tt; - Stack *s; if(!pc || uxn.dev[0x0f]) return 0; for(;;) { switch(uxn.ram[pc++]) { /* BRK */ case 0x00: return 1; - /* JCI */ case 0x20: if(uxn.wst.dat[--uxn.wst.ptr]) { JMI break; } pc += 2; break; + /* JCI */ case 0x20: if(DEC(wst)) { 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; - /* L2r */ case 0xe0: IMM(rst, uxn.ram[pc++]) - /* LIr */ case 0xc0: IMM(rst, uxn.ram[pc++]) break; + /* JSI */ case 0x60: tt = pc + 2; INC(rst) = tt >> 8; INC(rst) = tt; JMI break; + /* LI2 */ case 0xa0: INC(wst) = uxn.ram[pc++]; + /* LIT */ case 0x80: INC(wst) = uxn.ram[pc++]; break; + /* L2r */ case 0xe0: INC(rst) = uxn.ram[pc++]; + /* LIr */ case 0xc0: INC(rst) = uxn.ram[pc++]; break; /* INC */ OPC(0x01, POx(a), PUx(a + 1)) /* POP */ OPC(0x02, POx(a), 0) /* NIP */ OPC(0x03, POx(a) POx(b), PUx(a)) @@ -70,8 +72,8 @@ uxn_eval(Uint16 pc) /* 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)) + /* JSR */ OPC(0x0e, POx(a), PF2(pc) JMP(a)) + /* STH */ OPC(0x0f, POx(a), PFx(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))