x86test1.cpp

一个任天堂掌上游戏机NDS的源代码

#include "x86.h"

int main()
{
/*
    printf("add eax,edx = "); x86::dp_reg_reg(XMOP_ADD, eax, edx);
    printf("\nadd eax,[edx] = "); x86::dp_reg_mem(XMOP_ADD, eax, edx);
    printf("\nadd eax,[FFFEh] = "); x86::dp_reg_mem(XMOP_ADD, eax, (u32)0x0000FFFE);
    printf("\nadd eax,[edx+FFFEh] = "); x86::dp_reg_mem(XMOP_ADD, eax, edx, (u32)0x0000FFFE);
    printf("\nadd eax,[ecx*8+edx+FFFEh] = "); x86::dp_reg_mem(XMOP_ADD, eax, edx, ecx, 8, (u32)0x0000FFFE);
    printf("\nadd eax,[ecx+edx+FFFEh] = "); x86::dp_reg_mem(XMOP_ADD, eax, edx, ecx, 1, (u32)0x0000FFFE);
    printf("\nadd [eax],0xAA55 = "); x86::dp_mem_imm(XMOP_ADD, eax, (u32)0x0000AA55);
    printf("\nadd [eax+0xFFFE],0xAA55 = "); x86::dp_mem_imm(XMOP_ADD, eax, (u32)0x0000FFFE, (u32)0x0000AA55);
    printf("\nadd [edx*8+esi+0xFFFE],0xAA55 = "); x86::dp_mem_imm(XMOP_ADD, esi, edx, 8, (u32)0xFFFE, (u32)0xAA55);

    printf("shl eax,1 = "); x86::shft_reg_imm(XMOP_SHL, eax, 1);
    printf("\nshl eax,4 = "); x86::shft_reg_imm(XMOP_SHL, eax, 4);
    printf("\nshl dword [ecx*8+edx+0xFFFE],1 = "); x86::shft_memd_imm(XMOP_SHL, edx, ecx, 8, (u32)0xFFFE, 1);
    printf("\nshl dword [ecx*8+edx+0xFFFE],4 = "); x86::shft_memd_imm(XMOP_SHL, edx, ecx, 8, (u32)0xFFFE, 4);
    printf("\nror esi,cl = "); x86::shft_reg_reg(XMOP_ROR, esi);
    printf("\nrcl dword [esi*4+eax+0xFFFE],cl = "); x86::shft_memd_reg(XMOP_RCL, eax, esi, 4, (u32)0xFFFE);
*/
    x86::imp(XOP_CLI);
    printf("\n"); x86::dp_reg_reg(XMOP_XOR, eax, eax);
    printf("\n"); x86::MOV_seg_reg(ss, ax);
    printf("\n"); x86::MOV_reg_imm(esp, (u32)0xFFF0);
    printf("\n"); x86::imp(XOP_STI);
    printf("\n"); x86::MOV_seg_reg(es, ax);
    printf("\n"); x86::MOV_seg_reg(ds, ax); 
    printf("\n"); x86::MOV_reg_imm(esi, (u32)0x7C00);
    printf("\n"); x86::MOV_reg_imm(edi, (u32)0xE000);
    printf("\n"); x86::imp(XOP_CLD);
    printf("\n"); x86::MOV_reg_imm(ecx, (u32)0x0100);
    printf("\n"); x86::emit8(PREFIX_REPNE); x86::imp(XOP_MOVSD);
    printf("\n"); x86::JMP(0,0xE01E);
    printf("\n"); x86::emit8(PREFIX_OP); x86::dp_reg_reg(XMOP_XOR, eax, eax);
    printf("\n"); x86::emit8(PREFIX_OP); x86::MOV_mem_reg(0xE191, eax);
    printf("\n"); x86::MOV_mem_reg(0xE195, al);
    printf("\n"); x86::MOV_reg_imm(ah, 0x41);
    printf("\n"); x86::MOV_reg_imm(ebx, 0x55AA);
    printf("\n"); x86::INT(0x13);
    printf("\n"); x86::Jcc(CC_C, 0x0E);
    printf("\n"); x86::dp_reg_imm(XMOP_CMP, ebx, (u32)0xAA55);
    printf("\n"); x86::Jcc(CC_NZ, 0x08);
    printf("\n"); //test cl,1
    printf("\n"); //setnz [E195h]
    printf("\n"); x86::MOV_reg_imm(al, 1);
    printf("\n"); x86::dp_reg_reg(XMOP_XOR, ebx, ebx);
    printf("\n"); x86::MOV_seg_reg(es, bx);
    printf("\n"); x86::MOV_reg_imm(ebx, (u32)0x1000);
    printf("\n"); x86::MOV_reg_reg(esi, ebx);
    printf("\n"); x86::MOV_mem_imm(esi, (u32)0x0);
    printf("\n"); x86::MOV_mem_imm(esi, (u8)2, (u32)0x1);
    printf("\n"); x86::CALL(0x00B2);
    printf("\n"); x86::Jcc(CC_C, 0x08);
    printf("\n"); x86::MOV_reg_imm(edi, 0x11BE);
    printf("\n"); x86::MOV_reg_imm(ah, 0);
    printf("\n"); x86::CALL(0x000F);
    printf("\n"); //inc dl
    printf("\n"); //test dl,4
    printf("\n"); x86::Jcc(CC_Z, 0xAF);
    printf("\n"); x86::MOV_reg_imm(esi, 0xE17B);
    printf("\n"); x86::CALL(0x00F6);
    printf("\n"); x86::JMP((u8)0xFE);
    printf("\n"); x86::PUSH(ecx);
    printf("\n"); x86::PUSH(esi); 
    printf("\n"); x86::dp_mem_imm(XMOP_CMP, edi, (u8)0x40, (u32)0xAA55);
    printf("\n"); //jnz near 0x008B
    printf("\n"); x86::MOV_reg_reg(esi, edi);
    printf("\n"); x86::MOV_reg_imm(ecx, 4);
    printf("\n"); x86::dp_mem_imm(XMOP_CMP, esi, (u8)4, (u8)0xAB); 
    printf("\n"); x86::Jcc(CC_Z, 0x0F);
    printf("\n"); x86::dp_mem_imm(XMOP_CMP, esi, (u8)4, (u8)0xA8); 
    printf("\n"); x86::Jcc(CC_Z, 0x09);
    printf("\n"); x86::dp_mem_imm(XMOP_CMP, esi, (u8)4, (u8)0xAF); 
    printf("\n"); x86::Jcc(CC_Z, 0x03);
    printf("\n"); x86::JMP((u32)0x002B);
    printf("\n"); x86::MOV_reg_imm(al, 1);
    printf("\n"); x86::MOV_reg_imm(ebx, 0);
    printf("\n"); x86::MOV_seg_reg(es, bx);
    printf("\n"); x86::MOV_reg_imm(ebx, 0x7C00);
    printf("\n"); x86::CALL(0x0067);
    printf("\n"); x86::Jcc(CC_C, 0x1C);
    printf("\n"); x86::dp_mem_imm(XMOP_CMP, ebx, (u32)0x01FE, (u32)0xAA55);
    
    printf("\n");
    return 0;
}