Description:

Pop a byte off the stack then use that byte value as a count for popping additional bytes off of the stack and throwing them away.  The data is lost and no flags are altered with this operation.

Pseudo Code:

byteVal = program[pc + 1]
sp = sp - byteVal
pc = pc + 2

Flags Affected:

D	H	C	Z	N

Possible Errors:

tvmStackUnderflow

-

There were not enough bytes on the stack to pop off.

Example:

popnx

Before stack   top 1 0x05 2 0x0B 3 0x17 4 0xAA 5 0x32 6 0x02 7 0x23 8 0x68 9 0x26   bottom

After stack   top 1 0x23 2 0x68 3 0x26   bottom