Basic Micro Studio Syntax Manual

SWAP
Syntax
swap variable1, variable2
• Variable - is any variable defi ned in the program.
Supported
• BA - Supported
• BAN - Supported
• BAP - Supported
• BAP40 - Supported
Description
The SWAP command is a convenient way to switch the value of one variable with another.
Commands
Notes
1. SWAP will truncate a value if it is larger than the destination variable is setup for. If a WORD value
is loaded into a BYTE variable it will truncate and load the low byte of the WORD.
Examples
Connect to the following program with the terminal window set to 9600 baud. Variable1 and variable2
values will be printed to the screen. The variables are then printed again, after the SWAP command is
issued. You can see values of the variables have been swapped.
;ALL - all_swap.bas
Variable1 var word
Variable2 var word
Variable1 = 256
Variable2 = 512
Main
Pause 500
Serout s_out, i9600, [0, “Variable1 = “, dec variable1, 13]
Serout s_out, i9600, [“Variable2 = “, dec variable2,13 ]
End
Pause 1000
Serout s_out, i9600, [13, “Swapping Variables”, 13]
Pause 1000
swap variable1, variable2 ;lets swap var1 with var2
;Lets see what happened
Serout s_out, i9600, [13, “Variable1 = “, dec variable1, 13]
Serout s_out, i9600, [“Variable2 = “, dec variable2]
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