diff --git a/.gitignore b/.gitignore index d963361..dc4480e 100644 --- a/.gitignore +++ b/.gitignore @@ -13,6 +13,6 @@ *theme *.rom -*.rom.sym +*.sym *.[o0125678vqki] diff --git a/build.sh b/build.sh index 211112d..28682b5 100755 --- a/build.sh +++ b/build.sh @@ -91,16 +91,14 @@ if [ $debug = 1 ]; then echo "[debug]" CFLAGS="${CFLAGS} -DDEBUG -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined" - CORE='src/uxn-fast.c' else CFLAGS="${CFLAGS} -DNDEBUG -O2 -g0 -s" - CORE='src/uxn-fast.c' fi echo "Building.." ${CC} ${CFLAGS} src/uxnasm.c -o bin/uxnasm -${CC} ${CFLAGS} ${CORE} src/devices/system.c src/devices/file.c src/devices/datetime.c src/devices/mouse.c src/devices/controller.c src/devices/screen.c src/devices/audio.c src/uxnemu.c ${UXNEMU_LDFLAGS} ${FILE_LDFLAGS} -o bin/uxnemu -${CC} ${CFLAGS} ${CORE} src/devices/system.c src/devices/file.c src/devices/datetime.c src/uxncli.c ${FILE_LDFLAGS} -o bin/uxncli +${CC} ${CFLAGS} src/uxn.c src/devices/system.c src/devices/file.c src/devices/datetime.c src/devices/mouse.c src/devices/controller.c src/devices/screen.c src/devices/audio.c src/uxnemu.c ${UXNEMU_LDFLAGS} ${FILE_LDFLAGS} -o bin/uxnemu +${CC} ${CFLAGS} src/uxn.c src/devices/system.c src/devices/file.c src/devices/datetime.c src/uxncli.c ${FILE_LDFLAGS} -o bin/uxncli if [ $install = 1 ] then diff --git a/etc/archives/uxn.c b/etc/archives/uxn.c new file mode 100644 index 0000000..14effdb --- /dev/null +++ b/etc/archives/uxn.c @@ -0,0 +1,109 @@ +#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. +*/ + +/* a,b,c: general use. m2: byte/short mode flag. + tsp: macro temp stack ptr. ksp: "keep" mode copy of stack ptr. sp: ptr to stack ptr. + x,y: macro in params. o: macro out param. */ + +#define HALT(c) { return uxn_halt(u, instr, (c), pc - 1); } +#define JUMP(x) { if(m2) pc = (x); else pc += (Sint8)(x); } +#define PUSH8(x) { if(s->ptr == 0xff) HALT(2) s->dat[s->ptr++] = (x); } +#define PUSH16(x) { if((tsp = s->ptr) >= 0xfe) HALT(2) t = (x); POKE16(&s->dat[tsp], t); s->ptr = tsp + 2; } +#define PUSH(x) { if(m2) { PUSH16(x) } else { PUSH8(x) } } +#define POP8(o) { if(*sp == 0x00) HALT(1) o = s->dat[--*sp]; } +#define POP16(o) { if((tsp = *sp) <= 0x01) HALT(1) o = PEEK16(&s->dat[tsp - 2]); *sp = tsp - 2; } +#define POP(o) { if(m2) { POP16(o) } else { POP8(o) } } +#define POKE(x, y) { if(m2) { t = (y); POKE16(u->ram + x, t) } else { u->ram[(x)] = (y); } } +#define PEEK(o, x) { if(m2) { o = PEEK16(u->ram + x); } else o = u->ram[(x)]; } +#define DEVR(o, x) { o = u->dei(u, x); if(m2) o = (o << 8) | u->dei(u, (x) + 1); } +#define DEVW(x, y) { if(m2) { u->deo(u, (x), (y) >> 8); u->deo(u, (x) + 1, (y)); } else { u->deo(u, x, (y)); } } + +int +uxn_eval(Uxn *u, Uint16 pc) +{ + Uint8 instr, opcode, m2, ksp, tsp, *sp; + Uint16 a, b, c, t; + Stack *s; + if(!pc || u->dev[0x0f]) return 0; + for(;;) { + instr = u->ram[pc++]; + opcode = instr & 0x1f; + /* Short Mode */ + m2 = instr & 0x20; + /* Return Mode */ + s = instr & 0x40 ? u->rst : u->wst; + /* Keep Mode */ + if(instr & 0x80) { ksp = s->ptr; sp = &ksp; } + else sp = &s->ptr; + /* Opcodes */ + switch(opcode - (!opcode * (instr >> 5))) { + /* Immediate */ + case -0x0: /* BRK */ return 1; + case -0x1: /* JCI */ POP8(b) if(!b) { pc += 2; break; } /* else fallthrough */ + case -0x2: /* JMI */ pc += PEEK16(u->ram + pc) + 2; break; + case -0x3: /* JSI */ s = u->rst; PUSH16(pc + 2) pc += PEEK16(u->ram + pc) + 2; break; + case -0x4: /* LIT */ + case -0x6: /* LITr */ a = u->ram[pc++]; PUSH8(a) break; + case -0x5: /* LIT2 */ + case -0x7: /* LIT2r */ PUSH16(PEEK16(u->ram + pc)) pc += 2; break; + /* ALU */ + case 0x01: /* INC */ POP(a) PUSH(a + 1) break; + case 0x02: /* POP */ POP(a) break; + case 0x03: /* NIP */ POP(a) POP(b) PUSH(a) break; + case 0x04: /* SWP */ POP(a) POP(b) PUSH(a) PUSH(b) break; + case 0x05: /* ROT */ POP(a) POP(b) POP(c) PUSH(b) PUSH(a) PUSH(c) break; + case 0x06: /* DUP */ POP(a) PUSH(a) PUSH(a) break; + case 0x07: /* OVR */ POP(a) POP(b) PUSH(b) PUSH(a) PUSH(b) break; + case 0x08: /* EQU */ POP(a) POP(b) PUSH8(b == a) break; + case 0x09: /* NEQ */ POP(a) POP(b) PUSH8(b != a) break; + case 0x0a: /* GTH */ POP(a) POP(b) PUSH8(b > a) break; + case 0x0b: /* LTH */ POP(a) POP(b) PUSH8(b < a) break; + case 0x0c: /* JMP */ POP(a) JUMP(a) break; + case 0x0d: /* JCN */ POP(a) POP8(b) if(b) JUMP(a) break; + case 0x0e: /* JSR */ POP(a) s = (instr & 0x40) ? u->wst : u->rst; PUSH16(pc) JUMP(a) break; + case 0x0f: /* STH */ POP(a) s = (instr & 0x40) ? u->wst : u->rst; PUSH(a) break; + case 0x10: /* LDZ */ POP8(a) PEEK(b, a) PUSH(b) break; + case 0x11: /* STZ */ POP8(a) POP(b) POKE(a, b) break; + case 0x12: /* LDR */ POP8(a) PEEK(b, pc + (Sint8)a) PUSH(b) break; + case 0x13: /* STR */ POP8(a) POP(b) POKE(pc + (Sint8)a, b) break; + case 0x14: /* LDA */ POP16(a) PEEK(b, a) PUSH(b) break; + case 0x15: /* STA */ POP16(a) POP(b) POKE(a, b) break; + case 0x16: /* DEI */ POP8(a) DEVR(b, a) PUSH(b) break; + case 0x17: /* DEO */ POP8(a) POP(b) DEVW(a, b) break; + case 0x18: /* ADD */ POP(a) POP(b) PUSH(b + a) break; + case 0x19: /* SUB */ POP(a) POP(b) PUSH(b - a) break; + case 0x1a: /* MUL */ POP(a) POP(b) PUSH((Uint32)b * a) break; + case 0x1b: /* DIV */ POP(a) POP(b) if(!a) HALT(3) PUSH(b / a) break; + case 0x1c: /* AND */ POP(a) POP(b) PUSH(b & a) break; + case 0x1d: /* ORA */ POP(a) POP(b) PUSH(b | a) break; + case 0x1e: /* EOR */ POP(a) POP(b) PUSH(b ^ a) break; + case 0x1f: /* SFT */ POP8(a) POP(b) PUSH(b >> (a & 0x0f) << ((a & 0xf0) >> 4)) break; + } + } +} + +int +uxn_boot(Uxn *u, Uint8 *ram, Dei *dei, Deo *deo) +{ + Uint32 i; + char *cptr = (char *)u; + for(i = 0; i < sizeof(*u); i++) + cptr[i] = 0x00; + u->wst = (Stack *)(ram + 0xf0000); + u->rst = (Stack *)(ram + 0xf0100); + u->dev = (Uint8 *)(ram + 0xf0200); + u->ram = ram; + u->dei = dei; + u->deo = deo; + return 1; +} diff --git a/src/uxn-fast.c b/src/uxn-fast.c deleted file mode 100644 index c0b331c..0000000 --- a/src/uxn-fast.c +++ /dev/null @@ -1,140 +0,0 @@ -#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. -*/ - -#define T s->dat[s->ptr-1] -#define N s->dat[s->ptr-2] -#define L s->dat[s->ptr-3] -#define H2 PEEK16(s->dat+s->ptr-3) -#define T2 PEEK16(s->dat+s->ptr-2) -#define N2 PEEK16(s->dat+s->ptr-4) -#define L2 PEEK16(s->dat+s->ptr-6) - -/* Registers - -[ . ][ . ][ . ][ L ][ N ][ T ] < -[ . ][ . ][ . ][ H2 ][ T ] < -[ L2 ][ N2 ][ T2 ] < - -*/ - -#define HALT(c) { return uxn_halt(u, ins, (c), pc - 1); } -#define SET(mul, add) { if(mul > s->ptr) HALT(1) s->ptr += k * mul + add; if(s->ptr > 254) HALT(2) } -#define PUT(o, v) { s->dat[s->ptr - o - 1] = (v); } -#define PUT2(o, v) { tmp = (v); s->dat[s->ptr - o - 2] = tmp >> 8; s->dat[s->ptr - o - 1] = tmp; } -#define PUSH(stack, v) { if(s->ptr > 254) HALT(2) stack->dat[stack->ptr++] = (v); } -#define PUSH2(stack, v) { if(s->ptr > 253) HALT(2) tmp = (v); stack->dat[stack->ptr] = (v) >> 8; stack->dat[stack->ptr + 1] = (v); stack->ptr += 2; } -#define DEO(a, b) { u->dev[a] = b; if((deo_mask[(a) >> 4] >> ((a) & 0xf)) & 0x1) uxn_deo(u, a); } -#define DEI(a, b) { PUT(a, ((dei_mask[(b) >> 4] >> ((b) & 0xf)) & 0x1) ? uxn_dei(u, b) : u->dev[b]) } - -int -uxn_eval(Uxn *u, Uint16 pc) -{ - Uint8 ins, opc, k; - Uint16 t, n, l, tmp; - Stack *s; - if(!pc || u->dev[0x0f]) return 0; - for(;;) { - ins = u->ram[pc++]; - k = !!(ins & 0x80); - s = ins & 0x40 ? u->rst : u->wst; - opc = !(ins & 0x1f) ? 0 - (ins >> 5) : ins & 0x3f; - switch(opc) { - /* IMM */ - case 0x00: /* BRK */ return 1; - case 0xff: /* JCI */ pc += !!s->dat[--s->ptr] * PEEK16(u->ram + pc) + 2; break; - case 0xfe: /* JMI */ pc += PEEK16(u->ram + pc) + 2; break; - case 0xfd: /* JSI */ PUSH2(u->rst, pc + 2) pc += PEEK16(u->ram + pc) + 2; break; - case 0xfc: /* LIT */ PUSH(s, u->ram[pc++]) break; - case 0xfb: /* LIT2 */ PUSH2(s, PEEK16(u->ram + pc)) pc += 2; break; - case 0xfa: /* LITr */ PUSH(s, u->ram[pc++]) break; - case 0xf9: /* LIT2r */ PUSH2(s, PEEK16(u->ram + pc)) pc += 2; break; - /* ALU */ - case 0x21: /* INC2 */ t=T2; SET(2, 0) PUT2(0, t + 1) break; - case 0x01: /* INC */ t=T; SET(1, 0) PUT(0, t + 1); break; - case 0x22: /* POP2 */ SET(2,-2) break; - case 0x02: /* POP */ SET(1,-1) break; - case 0x23: /* NIP2 */ t=T2; SET(2,-2) PUT2(0, t) break; - case 0x03: /* NIP */ t=T; SET(1,-1) PUT(0, t) break; - case 0x24: /* SWP2 */ t=T2;n=N2; SET(4, 0) PUT2(2, t) PUT2(0, n) break; - case 0x04: /* SWP */ t=T;n=N; SET(2, 0) PUT(0, n) PUT(1, t) break; - case 0x25: /* ROT2 */ t=T2;n=N2;l=L2; SET(6, 0) PUT2(0, l) PUT2(2, t) PUT2(4, n) break; - case 0x05: /* ROT */ t=T;n=N;l=L; SET(3, 0) PUT(0, l) PUT(1, t) PUT(2, n) break; - case 0x26: /* DUP2 */ t=T2; SET(2, 2) PUT2(0, t) PUT2(2, t) break; - case 0x06: /* DUP */ t=T; SET(1, 1) PUT(0, t) PUT(1, t) break; - case 0x27: /* OVR2 */ t=T2;n=N2; SET(4, 2) PUT2(0, n) PUT2(2, t) PUT2(4, n) break; - case 0x07: /* OVR */ t=T;n=N; SET(2, 1) PUT(0, n) PUT(1, t) PUT(2, n) break; - case 0x28: /* EQU2 */ t=T2;n=N2; SET(4,-3) PUT(0, n == t) break; - case 0x08: /* EQU */ t=T;n=N; SET(2,-1) PUT(0, n == t) break; - case 0x29: /* NEQ2 */ t=T2;n=N2; SET(4,-3) PUT(0, n != t) break; - case 0x09: /* NEQ */ t=T;n=N; SET(2,-1) PUT(0, n != t) break; - case 0x2a: /* GTH2 */ t=T2;n=N2; SET(4,-3) PUT(0, n > t) break; - case 0x0a: /* GTH */ t=T;n=N; SET(2,-1) PUT(0, n > t) break; - case 0x2b: /* LTH2 */ t=T2;n=N2; SET(4,-3) PUT(0, n < t) break; - case 0x0b: /* LTH */ t=T;n=N; SET(2,-1) PUT(0, n < t) break; - case 0x2c: /* JMP2 */ t=T2; SET(2,-2) pc = t; break; - case 0x0c: /* JMP */ t=T; SET(1,-1) pc += (Sint8)t; break; - case 0x2d: /* JCN2 */ t=T2;n=L; SET(3,-3) if(n) pc = t; break; - case 0x0d: /* JCN */ t=T;n=N; SET(2,-2) pc += !!n * (Sint8)t; break; - case 0x2e: /* JSR2 */ t=T2; SET(2,-2) PUSH2(u->rst, pc) pc = t; break; - case 0x0e: /* JSR */ t=T; SET(1,-1) PUSH2(u->rst, pc) pc += (Sint8)t; break; - case 0x2f: /* STH2 */ t=T2; SET(2,-2) PUSH2((ins & 0x40 ? u->wst : u->rst), t) break; - case 0x0f: /* STH */ t=T; SET(1,-1) PUSH((ins & 0x40 ? u->wst : u->rst), t) break; - case 0x30: /* LDZ2 */ t=T; SET(1, 1) PUT2(0, PEEK16(u->ram + t)) break; - case 0x10: /* LDZ */ t=T; SET(1, 0) PUT(0, u->ram[t]) break; - case 0x31: /* STZ2 */ t=T;n=H2; SET(3,-3) POKE16(u->ram + t, n) break; - case 0x11: /* STZ */ t=T;n=N; SET(2,-2) u->ram[t] = n; break; - case 0x32: /* LDR2 */ t=T; SET(1, 1) PUT2(0, PEEK16(u->ram + pc + (Sint8)t)) break; - case 0x12: /* LDR */ t=T; SET(1, 0) PUT(0, u->ram[pc + (Sint8)t]) break; - case 0x33: /* STR2 */ t=T;n=H2; SET(3,-3) POKE16(u->ram + pc + (Sint8)t, n) break; - case 0x13: /* STR */ t=T;n=N; SET(2,-2) u->ram[pc + (Sint8)t] = n; break; - case 0x34: /* LDA2 */ t=T2; SET(2, 0) PUT2(0, PEEK16(u->ram + t)) break; - case 0x14: /* LDA */ t=T2; SET(2,-1) PUT(0, u->ram[t]) break; - case 0x35: /* STA2 */ t=T2;n=N2; SET(4,-4) POKE16(u->ram + t, n) break; - case 0x15: /* STA */ t=T2;n=L; SET(3,-3) u->ram[t] = n; break; - case 0x36: /* DEI2 */ t=T; SET(1, 1) DEI(1, t) DEI(0, t + 1) break; - case 0x16: /* DEI */ t=T; SET(1, 0) DEI(0, t) break; - case 0x37: /* DEO2 */ t=T;n=N;l=L; SET(3,-3) DEO(t, l) DEO(t + 1, n) break; - case 0x17: /* DEO */ t=T;n=N; SET(2,-2) DEO(t, n) break; - case 0x38: /* ADD2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n + t) break; - case 0x18: /* ADD */ t=T;n=N; SET(2,-1) PUT(0, n + t) break; - case 0x39: /* SUB2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n - t) break; - case 0x19: /* SUB */ t=T;n=N; SET(2,-1) PUT(0, n - t) break; - case 0x3a: /* MUL2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n * t) break; - case 0x1a: /* MUL */ t=T;n=N; SET(2,-1) PUT(0, n * t) break; - case 0x3b: /* DIV2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n / t) break; - case 0x1b: /* DIV */ t=T;n=N; SET(2,-1) PUT(0, n / t) break; - case 0x3c: /* AND2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n & t) break; - case 0x1c: /* AND */ t=T;n=N; SET(2,-1) PUT(0, n & t) break; - case 0x3d: /* ORA2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n | t) break; - case 0x1d: /* ORA */ t=T;n=N; SET(2,-1) PUT(0, n | t) break; - case 0x3e: /* EOR2 */ t=T2;n=N2; SET(4,-2) PUT2(0, n ^ t) break; - case 0x1e: /* EOR */ t=T;n=N; SET(2,-1) PUT(0, n ^ t) break; - case 0x3f: /* SFT2 */ t=T;n=H2; SET(3,-1) PUT2(0, n >> (t & 0x0f) << (t >> 4)) break; - case 0x1f: /* SFT */ t=T;n=N; SET(2,-1) PUT(0, n >> (t & 0x0f) << (t >> 4)) break; - } - } -} - -int -uxn_boot(Uxn *u, Uint8 *ram) -{ - Uint32 i; - char *cptr = (char *)u; - for(i = 0; i < sizeof(*u); i++) - cptr[i] = 0x00; - u->wst = (Stack *)(ram + 0xf0000); - u->rst = (Stack *)(ram + 0xf0100); - u->dev = (Uint8 *)(ram + 0xf0200); - u->ram = ram; - return 1; -}