82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
#include "debug.h"
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#include "vm.h"
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#ifdef __EMSCRIPTEN__
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#include <emscripten.h>
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#endif
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/* #define MEMORY_SIZE 65536 /\* 64KB memory (adjustable) *\/ */
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#define MEMORY_SIZE 1024
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Data memory[MEMORY_SIZE] = {0}; /* Memory array */
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uint32_t pc = 1; /* Program counter */
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void mainloop() {
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pc = step_vm(memory, MEMORY_SIZE, pc);
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if (pc == 0) {
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#ifdef __EMSCRIPTEN__
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emscripten_cancel_main_loop(); /* this should "kill" the app. */
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#else
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core_dump(memory, MEMORY_SIZE);
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exit(0);
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#endif
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}
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}
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int main() {
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int i = 1;
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memory[0].c[0] = 'z';
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memory[0].c[1] = 'r';
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memory[0].c[2] = 'e';
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memory[0].c[3] = '0';
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memory[i++].u = OP_ADD_REAL;
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memory[i++].u = 102;
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memory[i++].u = 103;
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memory[i++].u = 103;
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memory[i++].u = OP_SUB;
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memory[i++].u = 100;
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memory[i++].u = 101;
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memory[i++].u = 100;
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memory[i++].u = OP_JGT_INT;
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memory[i++].u = 100;
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memory[i++].u = 99;
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memory[i++].u = 1;
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memory[i++].u = OP_REAL_TO_INT;
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memory[i++].u = 103;
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memory[i++].u = 1;
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memory[i++].u = 103;
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memory[i++].u = OP_INT_TO_STRING;
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memory[i++].u = 103;
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memory[i++].u = 1;
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memory[i++].u = 104;
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memory[i++].u = OP_PRINT_STRING;
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memory[i++].u = 105;
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memory[i++].u = 1;
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memory[i++].u = 1;
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memory[i++].u = OP_READ_STRING;
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memory[i++].u = 1;
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memory[i++].u = 1;
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memory[i++].u = 109;
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memory[i++].u = OP_PRINT_STRING;
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memory[i++].u = 110;
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memory[i++].u = 1;
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memory[i++].u = 1;
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memory[i++].u = OP_HALT;
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memory[i++].u = 0;
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memory[i++].u = 0;
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memory[i++].u = 0;
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memory[99].u = 0;
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memory[100].u = 5;
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memory[101].u = 1;
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memory[102].f = 5.f;
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memory[103].f = 5.f;
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#ifdef __EMSCRIPTEN__
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emscripten_set_main_loop(mainloop, 0, 1);
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#else
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while (1) {
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mainloop();
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}
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#endif
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}
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