CODE EXECUTE
DE POP,
chkPS,
lblexec @ JP,
CODE EXIT
PC ORG @ 0x0d + ! ( stable ABI JP )
L 0 IX+ LDrIXY,
H 1 IX+ LDrIXY,
IX DECd, IX DECd,
HL PUSH, IY POP, ( --> IP )
JPNEXT,