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PDP-10 Archives
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decuslib10-05
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43,50337/23/arrlgd.mac
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00100 COMMENT * SIMULA specification;
00200 OPTIONS(/EXTERN:QUICK,arrlgd);
00300 INTEGER PROCEDURE arrlgd(ta); TEXT ARRAY ta;;
00400
00500 !*;! MACRO-10 code !*;!
00600
00700 TITLE arrlgd
00800 ;! Compute N := no. of elements in array TA + sum of
00900 ;! the lengths of the elements in the text array TA
01000 ;! N is returned as value of the function procedure ARRLGD
01100 SALL
01200 SEARCH MACSIM
01300 QUICKPROC
01400 ENTRY arrlgd
01500 SPECIFY<
01600 PROC .arrlgd,ta
01700 INTEGER .arrlgd
01800 ARRAY ta
01900 >
02000 X4=4
02100 arrlgd: EXCH ta,(xtac)
02200 PUSH XPDP,X4
02300 MOVE X1,5(ta)
02400 SUB X1,4(ta) ;! Upper limit - lower limit
02500 ADDI X1,1 ;! Loop index
02600 MOVEI X4,7(ta) ;! Position in array
02700 MOVEM X1,ta ;! Result = number of elements
02800 L1: HLRZ X0,(X4) ;! Length of next element
02900 ADDM X0,ta ;! Add to result
03000 ADDI X4,2 ;! Increase array position
03100 SOJG X1,L1 ;! End of loop
03200 POP XPDP,X4 ;! Restore register from stack
03300 EXCH ta,(XTAC)
03400 RETURN
03500 LIT
03600 END;