| 88:89 | printCursor | screen pointer used by BASIC |
| 01A7:01A8 | tmp1A7 | used in decoding the input |
| 01A9 | tmp1A9 | used in comparing X to Y |
| 01AA | not1AA | never used |
| 01AB | tmp1AB | used in lots of places |
| 01AC | not1AC | never used |
| 01AD | tmp1AD | used in the phrase decoding |
| 01AE | not1AE | never used |
| 01AF | not1AF | never used |
| 01B0 | not1B0 | never used |
| 01B1 | not1B1 | never used |
| 01B2 | tmp1B2 | used in word decoding |
| 01B3 | verbWord | input verb word number |
| 01B4 | perpWord | preposition word number |
| 01B5 | prepGiven | preposition given flag |
| 01B6 | phrasePrep | used in phrase decoding |
| 01B7 | adjWord | adjective word number |
| 01B8 | commandTarg | target object of input command |
| 01B9 | not1B9 | cleared before decode but never used |
| 01BA | lsbAdj1 | screen LSB of 1st adjective |
| 01BB | lsbVerb | screen LSB of verb |
| 01BC | lsbCursor | screen lsb used in decoding the input line |
| 01BD | lsbError | screen lsb used for flashing error messages |
| 01BE | lastChar | last character printed to screen |
| 01BF | VAR_OBJ_NUMBER | variable object number |
| 01C0:01C1 | VAR_OBJ_DATA | variable object data |
| 01C2 | not1C2 | never used |
| 01C3 | FIRST_NOUN_NUM | first input noun number |
| 01C4 | firstNounAdj | first input noun adjective word number |
| 01C5 | firstNounLSB | first input noun screen LSB |
| 01C6:01C7 | FIRST_NOUN_DATA | first input noun object data |
| 01C8 | firstNounParams | first input noun parameter bits |
| 01C9 | SECOND_NOUN_NUM | second input noun number |
| 01CA | secondNounAdj | second input noun adjective word number |
| 01CB | secondNounLSB | second input noun noun screen LSB |
| 01CC:01CD | SECOND_NOUN_DATA | second input noun object data |
| 01CE | secondNounParams | second input noun parameter bits |
| 01CF | tmp1CF | another screen pointer used in decode |
| 01D0 | tmp1DO | used in making index of data fields |
| 01D1 | PHRASE_FORM | decoded phrase form |
| 01D2 | ACTIVE_OBJ_NUM | active object |
| 01D3:01D4 | ACTIVE_OBJ_DATA | active object data |
| 01D5 | CUR_ROOM | current room number |
| 01D6:01D7 | CUR_ROOM_DATA | current room data |
| 01D8:01D9 | nextToken | used in decoding input |
| 01DA | tmp1DA | used in unpacking bytes |
| 01DB | tmp1DB | used in unpacking bytes |
| 01DC | tmp1DC | used in unpacking bytes |
| 01DD | tmp1DD | used in unpacking bytes |
| 01DE | tmp1DE | used in unpacking bytes |
| 01DF | tmp1DF | used in unpacking bytes |
| 01E0 | tmp1EO | used in unpacking bytes |
| 01E1 | tmp1E1 | used in making index of data fields |
| 01E2 | tmp1E2 | used in input processing |
| 01E3 | tillMORE | rows left until MORE prompt (not used here) |
