
3.At the end of the hexadecimal dump, set the printer
The following BASIC program is a simple test you can run in hexade- cimal mode:
10FOR
20LPRINT CHR$(I);
30NEXT I
40LPRINT
50END
If your system passes the codes directly to the printer without changing them, you will get a printout like Figure
10 11 12 13 14 15 16 17 18 19 1A 1H 1C 1D IE 1F
20 21 22 23 24 25 26 27 28 29 2A 26 2C 2D 2E 2F
30 51 32 53 34 J5 3‘ ,7 ZR 29 SA 3B ;C ZD SE 3F
40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
50 51 52 53 54 55 56 57 58 59 3~ 56 5C 5D 5E 5F
60 61 62 4; 64 65 66 67 68 69 bA 66 6C 6D bE 6F
70 71 72 75 74 75 76 77 78 79 ?A 7R 7C 7D 7E 7F
80 El 82 83 84 85 86 87 88 89 8A 86 8C ED 8E 8F
90 91 92 95 94 95 96 97 98 99 9A 98 9C 9D 9E 9F
A0 Al A2 c\3 A4 A5 A4 A7 A8 A9 AA AEI AC AD AE AF
BCI Hl 82 H3 84 H5 EL6 H7 BB B9 HA BR BC BD BE BF
co Cl c2 C3 C4 C5 C6 C7 C8 C9 CA CR CC CD CE CF
DO Dl D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
EO El E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
FO Fl F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF OD OA
. . . . . . . . . . . . . . . .
’“WB%&’ ( ) *+.
0 123456789 : ; .::= >?
@ABCDEFGHIJKLMNO PQHSTUVWXYZE\l’- ‘abcde+ghiJklmno
pqrstuvwxyzcI:‘.
.
i
i
c
L.
Figure 2-5. Sample hexadecimal dump
Most BASICS, however, are not quite that straightforward. For example, the
CH:, 01 | 02 | 03 | 04 | ,:15 06 | 07 | OR | 09 | CIA OR CC OD OA OE | . . . . . . . . | . . . . . . . . | |||||||
OF | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 19 | 16 | 1C 10 | 1E | 1F | . . . . . . . . | . . . . . . . . | ||
20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 2A | 26 | 2C | “D | 2E | 2F | ‘“%5%&~ | |
30 | 31 | 32 | 3’1: | 54 | 35 | 76 | 37 | 38 | 39 | 3A | 36 | 3C | 3D | 3E | 3F | 0123456789: | ;<=:.? |
40 | 41 | 42 | 4J | 44 | 45 | 46 | 47 | 40 | 49 | 4A | 4B | 4C | 4D | 4E | 4F | BABCDEFGHIJKLMNO | |
50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | SA | 56 | 5C | 5D | 5E | 5F | PQH8T!JVWXYZC\l*~ | |
60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 6A | 68 | 6C | 6D | bE | 6F | ‘abcdefqhi | jklmna |
70 | 71 | 72 | 7rI. | 74 | 75 | 76 | 77 | 78 | 79 | 7A | 7B | 7C | 7D | 7E | 7F | pqrstLivwt:yzI | : 2,“. |
80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 8A | 8H | 8C | 8D | 8E | 8F | . . . . . . . . | . . . . . . . . |
90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 9A | 98 | 9C | 9D | 9E | 9F | . . . . . . . . | . . . . . . . . |
A0 | Al | A2 | FIT | A4 | A5 | A6 | A7 | A8 | A9 | AA | AH | AC | AD | AE | AF | . . . . . . . . | . . . . . . . . |
HO 81 82 B3 B4 B5 86 B7 | H8 B9 BA BH BC | BD | BE | BF | . . . . . . . . | . . . . . . . . | |||||||||||
co | Cl c2 CI: c4 c5 Cb c7 | CB C9 CA CB CC | CD | CE | CF | . . . . . . . . | . . . . . . . . | ||||||||||
DO Di | Dr) | DI: | D4 | D5 | D6 | D7 | D8 D? DA DB DC DD DE DF | . . . . . . . . | . . . . . . . . | ||||||||
EO | El | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | EA EB EC ED EE EF | . . . . . . . . | . . . . . . . . | |||||
FO | Fl | F2 | FS | F4 | F5 | F6 | F7 | F8 F9 FA FR FC FD FE FF | . . . . . . . . | . . . . . . . . | |||||||
OD | I:,‘? |
|
|
|
|
|
|
|
|
|
|
|
|
|
| . . |
|
Figure 2-6. Sample hexadecimal dump with IBM-PC
2.5
E