doom_py/src/vizdoom/game-music-emu/gme/Hes_Cpu.cpp [745:786]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
		fint16 carry = c >> 8 & 1;
		fint16 ov = (a ^ 0x80) + carry + (BOOST::int8_t) data; // sign-extend
		status &= ~st_v;
		status |= ov >> 2 & 0x40;
		c = nz = a + data + carry;
		pc++;
		a = (uint8_t) nz;
		goto loop;
	}
	
// Shift/rotate

	case 0x4A: // LSR A
		c = 0;
	case 0x6A: // ROR A
		nz = c >> 1 & 0x80;
		c = a << 8;
		nz |= a >> 1;
		a = nz;
		goto loop;

	case 0x0A: // ASL A
		nz = a << 1;
		c = nz;
		a = (uint8_t) nz;
		goto loop;

	case 0x2A: { // ROL A
		nz = a << 1;
		fint16 temp = c >> 8 & 1;
		c = nz;
		nz |= temp;
		a = (uint8_t) nz;
		goto loop;
	}
	
	case 0x5E: // LSR abs,X
		data += x;
	case 0x4E: // LSR abs
		c = 0;
	case 0x6E: // ROR abs
	ror_abs: {
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



doom_py/src/vizdoom/game-music-emu/gme/Nes_Cpu.cpp [662:703]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
		fint16 carry = c >> 8 & 1;
		fint16 ov = (a ^ 0x80) + carry + (BOOST::int8_t) data; // sign-extend
		status &= ~st_v;
		status |= ov >> 2 & 0x40;
		c = nz = a + data + carry;
		pc++;
		a = (uint8_t) nz;
		goto loop;
	}
	
// Shift/rotate

	case 0x4A: // LSR A
		c = 0;
	case 0x6A: // ROR A
		nz = c >> 1 & 0x80;
		c = a << 8;
		nz |= a >> 1;
		a = nz;
		goto loop;

	case 0x0A: // ASL A
		nz = a << 1;
		c = nz;
		a = (uint8_t) nz;
		goto loop;

	case 0x2A: { // ROL A
		nz = a << 1;
		fint16 temp = c >> 8 & 1;
		c = nz;
		nz |= temp;
		a = (uint8_t) nz;
		goto loop;
	}
	
	case 0x5E: // LSR abs,X
		data += x;
	case 0x4E: // LSR abs
		c = 0;
	case 0x6E: // ROR abs
	ror_abs: {
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -