RosettaCodeData/Task/Get-system-command-output/Applesoft-BASIC/get-system-command-output.b...

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100 HIMEM: 24576
110 LET A = 24576
120 LET P = 768
130 DEF FN P(A) = PEEK (A) + PEEK (A + 1) * 256
140 DEF FN H(A) = INT (A / 256)
150 DEF FN L(A) = A - FN H(A) * 256
160 POKE P + 00,073: REM EOR
170 POKE P + 01,128: REM #$80
180 POKE P + 02,141: REM STA
190 POKE P + 03, FN L(A)
200 POKE P + 04, FN H(A)
210 POKE P + 05,073: REM EOR
220 POKE P + 06,128: REM #$80
230 POKE P + 07,238: REM INC
240 POKE P + 08, FN L(P + 3)
250 POKE P + 09, FN H(P + 3)
260 POKE P + 10,208: REM BNE
270 POKE P + 11,3
280 POKE P + 12,238: REM INC
290 POKE P + 13, FN L(P + 4)
300 POKE P + 14, FN H(P + 4)
310 POKE P + 15,096: REM RTS
320 POKE 54, FN L(P)
330 POKE 55, FN H(P)
340 CALL 1002
350 PRINT CHR$ (4)"CATALOG"
360 PRINT CHR$ (4)"PR#0"
370 LET C = - 1
380 LET I = 0
390 LET S = 0
400 LET E = FN P(P + 3)
410 DIM S$(54)
420 LET S$(0) = ""
430 POKE 236, PEEK (131)
440 POKE 237, PEEK (132)
450 LET S = FN P(236)
460 FOR I = A TO E STEP 255
470 LET C = C + 1
480 POKE S + C * 3,255
490 IF E - I < 255 THEN POKE S + C * 3,E - I
500 POKE S + C * 3 + 1, FN L(I)
510 POKE S + C * 3 + 2, FN H(I)
520 PRINT S$(C);
530 NEXT