mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-25 18:05:12 -04:00
Matthew Stanley
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
#include "psx_disasm.h"
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#include <cstdlib>
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#include <cstring>
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#include <cstdio>
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static void require(bool condition, const char* expression, int line) {
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if (!condition) {
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std::fprintf(stderr, "FAIL line %d: %s\n", line, expression);
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std::exit(EXIT_FAILURE);
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}
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}
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#define CHECK(expr) require((expr), #expr, __LINE__)
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static void check(unsigned word, unsigned pc, const char* expected) {
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char out[128];
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int n=psx_disasm_one(word, pc, out, sizeof(out));
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if (std::strcmp(out,expected)) {
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std::fprintf(stderr,"%08X: expected [%s], got [%s]\n",word,expected,out);
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CHECK(false);
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}
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CHECK(n == (int)std::strlen(expected));
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}
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int main() {
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check(0,0,"NOP");
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check(0x012A4020,0,"ADD $t0, $t1, $t2");
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check(0x012A0018,0,"MULT $t1, $t2");
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check(0x012A001B,0,"DIVU $t1, $t2");
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check(0x012A4004,0,"SLLV $t0, $t2, $t1");
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check(0x0521FFFF,0x80001000,"BGEZ $t1, 0x80001000");
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check(0x1920FFFE,0x80001000,"BLEZ $t1, 0x80000FFC");
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check(0x112AFFFE,0x80001000,"BEQ $t1, $t2, 0x80000FFC");
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check(0x08000000,0x8FFFFFFC,"J 0x90000000");
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check(0x3128FFFF,0,"ANDI $t0, $t1, 0xFFFF");
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check(0x2528FFFF,0,"ADDIU $t0, $t1, -1");
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check(0x8D28FFF8,0,"LW $t0, -8($t1)");
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check(0xC923FFF8,0,"LWC2 $VZ1, -8($t1)");
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check(0x40086000,0,"MFC0 $t0, $12");
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check(0x42000010,0,"RFE");
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check(0x48086800,0,"MFC2 $t0, $SXY1");
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check(0x4848D000,0,"CFC2 $t0, $H");
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check(0x4A080001,0,"RTPS 0x0080001");
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check(0x48200001,0,".word 0x48200001");
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check(0xFC000000,0,".word 0xFC000000");
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char tiny[4]={'x','x','x','x'};
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CHECK(psx_disasm_one(0,0,tiny,4)==3 && tiny[3]==0);
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CHECK(psx_disasm_one(0,0,tiny,1)==0 && tiny[0]==0);
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CHECK(psx_disasm_one(0,0,nullptr,4)==0);
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tiny[0]='x'; CHECK(psx_disasm_one(0,0,tiny,0)==0 && tiny[0]=='x');
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}
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