C++ (Cpp) SIGNX8 Examples

Example #1

File: sh2dasm.c Project: Ezio-PS/mame2003-libretro

static void op1000(char *buffer, UINT32 pc, UINT16 opcode)
{
	const char *sym;
	switch((opcode >> 8) & 15)
	{
	case  0:
		sym = set_ea_info(0, (opcode & 15), EA_UINT8, EA_VALUE);
		set_ea_info(1, activecpu_get_reg(SH2_R0+Rm) + (opcode & 15), EA_UINT8, EA_MEM_WR);
		sprintf(buffer, "MOV.B   R0,@(%s,%s)", sym, regname[Rm]);
		break;
	case  1:
		sym = set_ea_info(0, (opcode & 15) * 2, EA_UINT8, EA_VALUE);
		set_ea_info(1, activecpu_get_reg(SH2_R0+Rm) + (opcode & 15)*2, EA_UINT16, EA_MEM_WR);
		sprintf(buffer, "MOV.W   R0,@(%s,%s)", sym, regname[Rm]);
		break;
	case  4:
		sym = set_ea_info(0, (opcode & 15), EA_UINT8, EA_VALUE);
		set_ea_info(1, activecpu_get_reg(SH2_R0+Rm) + (opcode & 15), EA_UINT8, EA_MEM_RD);
		sprintf(buffer, "MOV.B   @(%s,%s),R0", sym, regname[Rm]);
		break;
	case  5:
		sym = set_ea_info(0, (opcode & 15), EA_UINT8, EA_VALUE);
		set_ea_info(1, activecpu_get_reg(SH2_R0+Rm) + (opcode & 15)*2, EA_UINT16, EA_MEM_RD);
		sprintf(buffer, "MOV.W   @(%s,%s),R0", sym, regname[Rm]);
		break;
	case  8:
		sym = set_ea_info(0, (opcode & 0xff), EA_UINT8, EA_VALUE);
		sprintf(buffer, "CMP/EQ  #%s,R0", sym);
		break;
	case  9:
		sym = set_ea_info(0, pc, SIGNX8(opcode & 0xff) * 2 + 2, EA_REL_PC);
		sprintf(buffer, "BT      %s", sym);
		break;
	case 11:
		sym = set_ea_info(0, pc, SIGNX8(opcode & 0xff) * 2 + 2, EA_REL_PC);
		sprintf(buffer, "BF      %s", sym);
		break;
	case 13:
		sym = set_ea_info(0, pc, SIGNX8(opcode & 0xff) * 2 + 2, EA_REL_PC);
		sprintf(buffer, "BTS     %s", sym);
		break;
	case 15:
		sym = set_ea_info(0, pc, SIGNX8(opcode & 0xff) * 2 + 2, EA_REL_PC);
		sprintf(buffer, "BFS     %s", sym);
		break;
	default :
		sym = set_ea_info(0, opcode, EA_UINT16, EA_VALUE);
		sprintf(buffer, "invalid %s\n", sym);
	}
}

Example #2

File: sh2dasm.c Project: DarrenBranford/MAME4iOS

static UINT32 op1000(char *buffer, UINT32 pc, UINT16 opcode)
{
	switch((opcode >> 8) & 15)
	{
	case  0:
		sprintf(buffer, "MOV.B   R0,@($%02X,%s)", (opcode & 15), regname[Rm]);
		break;
	case  1:
		sprintf(buffer, "MOV.W   R0,@($%02X,%s)", (opcode & 15) * 2, regname[Rm]);
		break;
	case  4:
		sprintf(buffer, "MOV.B   @($%02X,%s),R0", (opcode & 15), regname[Rm]);
		break;
	case  5:
		sprintf(buffer, "MOV.W   @($%02X,%s),R0", (opcode & 15), regname[Rm]);
		break;
	case  8:
		sprintf(buffer, "CMP/EQ  #$%02X,R0", (opcode & 0xff));
		break;
	case  9:
		sprintf(buffer, "BT      $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	case 11:
		sprintf(buffer, "BF      $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	case 13:
		sprintf(buffer, "BTS     $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	case 15:
		sprintf(buffer, "BFS     $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	default :
		sprintf(buffer, "invalid $%04X", opcode);
	}
	return 0;
}

Example #3

File: sh_dasm.cpp Project: Dagarman/mame

uint32_t sh_disassembler::op1000(std::ostream &stream, uint32_t pc, uint16_t opcode)
{
	switch((opcode >> 8) & 15)
	{
	case  0:
		util::stream_format(stream, "MOV.B   R0,@($%02X,%s)", (opcode & 15), regname[Rm]);
		break;
	case  1:
		util::stream_format(stream, "MOV.W   R0,@($%02X,%s)", (opcode & 15) * 2, regname[Rm]);
		break;
	case  4:
		util::stream_format(stream, "MOV.B   @($%02X,%s),R0", (opcode & 15), regname[Rm]);
		break;
	case  5:
		util::stream_format(stream, "MOV.W   @($%02X,%s),R0", (opcode & 15) * 2, regname[Rm]);
		break;
	case  8:
		util::stream_format(stream, "CMP/EQ  #$%02X,R0", (opcode & 0xff));
		break;
	case  9:
		util::stream_format(stream, "BT      $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	case 11:
		util::stream_format(stream, "BF      $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	case 13:
		util::stream_format(stream, "BTS     $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	case 15:
		util::stream_format(stream, "BFS     $%08X", pc + SIGNX8(opcode & 0xff) * 2 + 2);
		break;
	default :
		util::stream_format(stream, "invalid $%04X", opcode);
	}
	return 0;
}