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CARD: Updated comments on raw and other special formats.

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This commit is contained in:
Richard Cornwell 2020-09-22 12:13:26 -04:00
parent 7160b26284
commit 8998e5d495
2 changed files with 27 additions and 1 deletions
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15
sim_card.c
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@ -52,6 +52,19 @@
Bit 5-0 of second character are lower 6 bits
of card.
ASCII mode recognizes some additional forms of input which allows the
intermixing of binary cards with text cards.
Lines beginning with ~raw are taken as a number of 4 digit octal values
with represent each column of the card from 12 row down to 9 row. If there
is not enough octal numbers to span a full card the remainder of the
card will not be punched.
Also ~eor, will generate a 7/8/9 punch card. An ~eof will gernerate a
6/7/9 punch card, and a ~eoi will generate a 6/7/8/9 punch.
A single line of ~ will set the EOF flag when that card is read.
For autodetection of card format, there can be no parity errors.
All undeterminate formats are treated as ASCII.
@ -1380,7 +1393,7 @@ t_stat sim_card_attach_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, cons
fprintf (st, " sim> ATTACH {switches} %s carddeck\n\n", sim_uname (uptr));
fprintf (st, "Attach command switches\n");
fprintf (st, " -F Open the indicated card deck in a specific format (default\n");
fprintf (st, " is AUTO, alternatives are BIN, TEXT, BCD and CBN)\n");
fprintf (st, " is AUTO, alternatives are BIN, TEXT, BCD, CBN and EBCDIC)\n");
if (punches != 0) {
fprintf (st, " -N Create a new punch output file (default is to append to\n");
fprintf (st, " an existing file if it exists)\n");

13
sim_card.h
View file

@ -55,6 +55,19 @@
For autodetection of BCD card format, there can be no parity errors.
All undeterminate formats are treated as ASCII.
ASCII mode recognizes some additional forms of input which allows the
intermixing of binary cards with text cards.
Lines beginning with ~raw are taken as a number of 4 digit octal values
with represent each column of the card from 12 row down to 9 row. If there
is not enough octal numbers to span a full card the remainder of the
card will not be punched.
Also ~eor, will generate a 7/8/9 punch card. An ~eof will gernerate a
6/7/9 punch card, and a ~eoi will generate a 6/7/8/9 punch.
A single line of ~ will set the EOF flag when that card is read.
Auto output format is ASCII if card has only printable characters
or card format binary.
*/