Radio Shack TRS-80 Model 3 - Page 84

TRS-SO MODEL III
$ROUTE-I08/X'006C'
Change I/O DeviceRouting
Entry Conditions
(X'4222') = Two-byte source device ASCII abbreviation: {KI,DO,RI,RO,PR}
(X'4220') = Two-byte destination device ASCII abbreviation. Same set as above.
ExitConditions
DE is altered.
Sample Programming.
See Chapter9 in this section.
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