EMS6500 EM Microelectronic, EMS6500 Datasheet - Page 45

• Manufacturer Part Number: EMS6500
• Description: Microcontroller Development System 4-bit (Emmon), Simulators 4-bit
• Manufacturer: EM Microelectronic

Assembler Syntax
SHL (or SHLR
SHLX
Copyright  2003, EM Microelectronic-Marin SA
3.2.3. Binary Operations
3.2.3.1. Shift left
The principal of the shift left instruction is the following:
♦
projects, because it is more consistent with the « shift right » instruction group. The former version
(SHLR) will only be supported for compatibility purposes with existing programs.
now there are 2 definitions for the same instruction. SHL is the one actually adviced for new
♦
) Reg
Cy 3
Cy 3
Fig. 25 Shift left operation
Function
Accu = IO(Reg)*2
Accu = IO(IX) * 2
2 1
2
1
0
0
0
37
State Z
Development System
z
z
see fig. 25
see fig. 25
www.emmicroelectronic.com
State Cy
EM66xx
Binder 4.3-01/03 Rev. B/495