fig-FORTH FOR 6800 - Forth Interest Group

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Co~right:FDR"lT Interest Group SSF MNEMONIC ESSEMELER PAGE 5 * This system is shown with one user, but edditional users may be added by allocating additional user tables: UORIG2 RMB 64 data table for user #2 * Some of this stuff gets initialized during * COLD start and N4RM start: * [ names correspond to FORTH words of similar (no X) name I * OK- $100 WRTG RMB 6 XSPZER RMB 2 XRZERO RME3 2 XTIB Rm 2 XWIIXH RElB 2 mRN RMJ3 2 XFENCE RElB 2 XDP RMB 2 XVOCL RMl3 2 XBLX m 2 XIN RME? 2 xm RMB 2 XSCR REB 2 XOFsFl' m 2 Xrnh'r RME? 2 XCURF RMB 2 XSTATE RME 2 XBASE RyE 2 XDPL RMB 2 XFLD RME 2 XCSP RMB 2 XRNUMRME 2 XHLD RMB 2 XDELRY RMB 2 XCOLUM 2 IOSTAT RME 2 m 2 F!MB 2 RME 2 RME3 2 3 reserved variables initial top of data stack for this user initial top of return stack start of terminal input buffer name field width warning message mode (0 = no disc) fence for FOE-ET dictionary pointer vocabulary linking disc block being accessed scan pointer into the block cursor posit ion disc screen being accessed ( O=terminal ) disc sector offset for multi-disc last mrd in primary seerch vocabulary last word in extensible vocabulary flag for 'interpret' or 'compile' modes nunber base for I/O numeric conversion decimal pint place current stack position, for compile checks carriage return delay count carriage width last acia status from write/read ( 4 spares! ) * end of user table, start of corrunon system variables XUSE XPREV * RMB WB RMB 2 2 4 ( spares 1
Copyright:M)RTH Interest Group SSB MNEMONIC ASSEMBLER PAGE 6 * These things, up through the lable 'REND', are overwritten * at time of cold load and should have the same contents * as shown here: * FCB SC5 imnediate FCC FCB FDB FORTH FDB FEE * FCC 4,FORTH $28 NOOP-7 DODOES,DOVDC,$81AOITASK-7 0 " (C) Forth Interest Group, 1979" FCB $84 FCC 3,TASK FCB SCB FDB mm-a TASK FDB COCOL,FEMIS * REND EQU * ( first empty location in dictionary )
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fig-FORTH FOR 6800 - Forth Interest Group

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