mirror of https://git.sr.ht/~rabbits/uxn
Cleanup
This commit is contained in:
neauoire
parent
c9a64edf7b
commit
5610b9eb77
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@ -45,8 +45,8 @@ Program p;
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/* clang-format off */
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char ops[][4] = {
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"BRK", "NOP", "LIT", "LDR", "STR", "---", "JMP", "JSR",
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"EQU", "NEQ", "GTH", "LTH", "GTS", "LTS", "---", "---",
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"BRK", "NOP", "LIT", "LDR", "STR", "---", "---", "---",
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"EQU", "NEQ", "GTH", "LTH", "GTS", "LTS", "JMP", "JSR",
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"POP", "DUP", "SWP", "OVR", "ROT", "---", "CLN", "STH",
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"ADD", "SUB", "MUL", "DIV", "AND", "ORA", "EOR", "SFT"
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};
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2
build.sh
2
build.sh
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@ -20,5 +20,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr
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# cc uxn.c emulator.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -L/usr/local/lib -lSDL2 -o bin/emulator
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# run
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./bin/assembler projects/software/left.usm bin/boot.rom
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./bin/assembler projects/software/nasu.usm bin/boot.rom
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./bin/emulator bin/boot.rom
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70
uxn.c
70
uxn.c
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@ -29,19 +29,21 @@ Uint8 peek8(Stack *s, Uint8 a) { return s->dat[s->ptr - a - 1]; }
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void push16(Stack *s, Uint16 a) { push8(s, a >> 8); push8(s, a); }
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Uint16 pop16(Stack *s) { return pop8(s) + (pop8(s) << 8); }
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Uint16 peek16(Stack *s, Uint8 a) { return peek8(s, a * 2) + (peek8(s, a * 2 + 1) << 8); }
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/* I/O */
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/* Core */
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void op_brk(Uxn *u) { setflag(&u->status, FLAG_HALT, 1); }
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void op_lit(Uxn *u) { u->literal += 1; }
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void op_nop(Uxn *u) { (void)u; }
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void op_jmp(Uxn *u) { Uint8 a = pop8(u->src); u->ram.ptr += (Sint8)a; }
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void op_jsr(Uxn *u) { Uint8 a = pop8(u->src); push16(u->dst, u->ram.ptr); u->ram.ptr += (Sint8)a; }
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void op_ldr(Uxn *u) { Uint16 a = pop16(u->src); push8(u->src, mempeek8(u, a)); }
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void op_str(Uxn *u) { Uint16 a = pop16(u->src); Uint8 b = pop8(u->src); mempoke8(u, a, b); }
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/* Logic */
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void op_and(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b & a); }
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void op_ora(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b | a); }
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void op_eor(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b ^ a); }
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void op_sft(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); Uint8 left = (a & 0xf0) >> 4; Uint8 right = (a & 0x0f); push8(u->src, b >> (right % 8) << (left % 8)); }
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void op_equ(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b == a); }
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void op_neq(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b != a); }
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void op_gth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b > a); }
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void op_lth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b < a); }
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void op_gts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b > (Sint8)a); }
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void op_lts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b < (Sint8)a); }
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void op_jmp(Uxn *u) { Uint8 a = pop8(u->src); u->ram.ptr += (Sint8)a; }
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void op_jsr(Uxn *u) { Uint8 a = pop8(u->src); push16(u->dst, u->ram.ptr); u->ram.ptr += (Sint8)a; }
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/* Stack */
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void op_pop(Uxn *u) { pop8(u->src); }
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void op_dup(Uxn *u) { push8(u->src, peek8(u->src, 0)); }
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@ -55,24 +57,24 @@ void op_add(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b
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void op_sub(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b - a); }
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void op_mul(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b * a); }
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void op_div(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b / a); }
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void op_equ(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b == a); }
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void op_neq(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b != a); }
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void op_gth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b > a); }
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void op_gts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b > (Sint8)a); }
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void op_lth(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b < a); }
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void op_lts(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, (Sint8)b < (Sint8)a); }
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/* --- */
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void op_and(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b & a); }
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void op_ora(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b | a); }
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void op_eor(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); push8(u->src, b ^ a); }
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void op_sft(Uxn *u) { Uint8 a = pop8(u->src), b = pop8(u->src); Uint8 left = (a & 0xf0) >> 4; Uint8 right = (a & 0x0f); push8(u->src, b >> (right % 8) << (left % 8)); }
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/* Core */
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void op_lit16(Uxn *u) { u->literal += 2; }
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void op_nop16(Uxn *u) { printf("%04x\n", pop16(u->src)); }
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void op_jmp16(Uxn *u) { u->ram.ptr = pop16(u->src); }
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void op_jsr16(Uxn *u) { push16(u->dst, u->ram.ptr); u->ram.ptr = pop16(u->src); }
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void op_ldr16(Uxn *u) { Uint16 a = pop16(u->src); push16(u->src, mempeek16(u, a)); }
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void op_str16(Uxn *u) { Uint16 a = pop16(u->src); Uint16 b = pop16(u->src); mempoke16(u, a, b); }
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/* Logic */
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void op_and16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b & a); }
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void op_ora16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b | a); }
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void op_eor16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b ^ a); }
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void op_sft16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); Uint8 left = (a & 0x00f0) >> 4; Uint8 right = (a & 0x000f); push16(u->src, b >> (right % 16) << (left % 16)); }
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/* Logic(16-bits) */
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void op_equ16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b == a); }
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void op_neq16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b != a); }
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void op_gth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b > a); }
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void op_lth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b < a); }
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void op_gts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b > (Sint16)a); }
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void op_lts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b < (Sint16)a); }
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void op_jmp16(Uxn *u) { u->ram.ptr = pop16(u->src); }
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void op_jsr16(Uxn *u) { push16(u->dst, u->ram.ptr); u->ram.ptr = pop16(u->src); }
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/* Stack(16-bits) */
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void op_pop16(Uxn *u) { pop16(u->src); }
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void op_dup16(Uxn *u) { push16(u->src, peek16(u->src, 0)); }
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@ -86,33 +88,31 @@ void op_add16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->s
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void op_sub16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b - a); }
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void op_mul16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b * a); }
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void op_div16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b / a); }
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void op_equ16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b == a); }
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void op_neq16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b != a); }
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void op_gth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b > a); }
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void op_gts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b > (Sint16)a); }
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void op_lth16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, b < a); }
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void op_lts16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push8(u->src, (Sint16)b < (Sint16)a); }
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void op_and16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b & a); }
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void op_ora16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b | a); }
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void op_eor16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); push16(u->src, b ^ a); }
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void op_sft16(Uxn *u) { Uint16 a = pop16(u->src), b = pop16(u->src); Uint8 left = (a & 0x00f0) >> 4; Uint8 right = (a & 0x000f); push16(u->src, b >> (right % 16) << (left % 16)); }
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void (*ops[])(Uxn *u) = {
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op_brk, op_nop, op_lit, op_ldr, op_str, op_nop, op_jmp, op_jsr,
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op_equ, op_neq, op_gth, op_lth, op_gts, op_lts, op_nop, op_nop,
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op_brk, op_nop, op_lit, op_ldr, op_str, op_nop, op_nop, op_nop,
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op_equ, op_neq, op_gth, op_lth, op_gts, op_lts, op_jmp, op_jsr,
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op_pop, op_dup, op_swp, op_ovr, op_rot, op_nop, op_cln, op_sth,
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op_add, op_sub, op_mul, op_div, op_and, op_ora, op_eor, op_sft,
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/* 16-bit */
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op_brk, op_nop16, op_lit16, op_ldr16, op_str16, op_nop, op_jmp16, op_jsr16,
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op_equ16, op_neq16, op_gth16, op_lth16, op_gts16, op_lts16, op_nop, op_nop,
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op_brk, op_nop16, op_lit16, op_ldr16, op_str16, op_nop, op_nop, op_nop,
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op_equ16, op_neq16, op_gth16, op_lth16, op_gts16, op_lts16, op_jmp16, op_jsr16,
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op_pop16, op_dup16, op_swp16, op_ovr16, op_rot16, op_nop, op_cln16, op_sth16,
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op_add16, op_sub16, op_mul16, op_div16, op_and16, op_ora16, op_eor16, op_sft16
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};
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Uint8 opr[][4] = { /* wstack-/+ rstack-/+ */
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{0,0,0,0}, {0,0,0,0}, {0,0,0,0}, {2,1,0,0}, {3,0,0,0}, {1,0,0,0}, {1,0,0,0}, {1,0,0,2},
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{2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {0,0,0,0}, {0,0,0,0},
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{0,0,0,0}, {0,0,0,0}, {0,0,0,0}, {2,1,0,0}, {3,0,0,0}, {1,0,0,0}, {0,0,0,0}, {0,0,0,0},
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{2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {1,0,0,0}, {1,0,0,2},
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{1,0,0,0}, {0,2,0,0}, {2,2,0,0}, {2,3,0,0}, {3,3,0,0}, {0,0,0,0}, {0,0,0,1}, {0,1,1,0},
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{2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0}, {2,1,0,0},
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/* 16-bit */
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{0,0,0,0}, {0,0,0,0}, {0,0,0,0}, {2,2,0,0}, {4,0,0,0}, {2,0,0,0}, {2,0,0,0}, {2,0,0,2},
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{4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,1,0,0}, {4,1,0,0}, {0,0,0,0}, {0,0,0,0},
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{0,0,0,0}, {0,0,0,0}, {0,0,0,0}, {2,2,0,0}, {4,0,0,0}, {2,0,0,0}, {0,0,0,0}, {0,0,0,0},
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{4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,1,0,0}, {4,1,0,0}, {2,0,0,0}, {2,0,0,2},
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{0,2,0,0}, {0,2,0,0}, {1,1,0,0}, {4,6,0,0}, {6,6,0,0}, {0,0,0,0}, {0,0,0,2}, {0,2,2,0},
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{4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0}, {4,2,0,0},
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};
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