int e l INTERNAL MEMORY ALLOCATION (VERSION 1.1) LOCATION(S) IN HEX MCS BASIC-52 USAGE 24H BITS USED SPECIFICALLY AS FOLLOWS BIT 24.0H STOP STATEMENT OR CONTROL-C ENCOUNTERED BIT 24.1H USER IDLE BREAK BIT BIT 24.2H SET DURING AN INPUT INSTRUCTION BIT 24.3H RESERVED BIT 24.4H SET WHEN ARGUMENT STACK HAS A VALUE BIT 24.5H RETI INSTRUCTION EXECUTED BIT 24.6H RESERVED, TRAPS EXTERNAL INTERRUPT 0 BIT 24.7H SET BY USER TO SIGNIFY THAT A VALID LIST@ OR PRINT@ DRIVER IS PRESENT 25H BITS USED SPECIFICALLY AS FOLLOWS BIT 25.0H RESERVED, SOFTWARE TRAP TEST BIT 25.1H FIND THE END OF PROGRAM, IF SET BIT 25.2H SET DURING A DIM STATEMENT BIT 25.3H INTERRUPT STATUS SAVE BIT BIT 25.4H RESERVED, INPUT TRAP BIT 25.5H SET TO SIGNIFY EXPANSION IS PRESENT BIT 25.6H SET WHEN CLOCK1 EXECUTED, ELSE CLEARED BIT 25.7H SET WHEN BASIC IS IN THE COMMAND MODE 26H BITS USED SPECIFICALLY AS FOLLOWS BIT 26.0H SET TO DISABLE CONTROL-C BIT 26.1H SET TO ENABLE "FAKE" DMA BIT 26.2H RESERVED, OUTPUT TRAP BIT 26.3H SET TO EVOKE "INTELLIGENT" PROM PROGRAMMING BIT 26.4H SET TO PRINT TEXT STRING FROM ROM BIT 26.5H SET WHEN CONTROL-S ENCOUNTERED BIT 26.6H SET TO SUPPRESS ZEROS IN HEX MODE PRINT BIT 26.7H SET EVOKE HEX MODE PRINT - 167 -