/* i650_cdr.c: IBM 650 Card reader. | |
Copyright (c) 2018, Roberto Sancho | |
Permission is hereby granted, free of charge, to any person obtaining a | |
copy of this software and associated documentation files (the "Software"), | |
to deal in the Software without restriction, including without limitation | |
the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
and/or sell copies of the Software, and to permit persons to whom the | |
Software is furnished to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in | |
all copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
ROBERTO SANCHO BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
This is the standard card reader. | |
These units each buffer one record in local memory and signal | |
ready when the buffer is full or empty. The channel must be | |
ready to recieve/transmit data when they are activated since | |
they will transfer their block during chan_cmd. All data is | |
transmitted as BCD characters. | |
*/ | |
#include "i650_defs.h" | |
#include "sim_card.h" | |
#define UNIT_CDR UNIT_ATTABLE | UNIT_RO | MODE_026 | MODE_LOWER | |
/* std devices. data structures | |
cdr_dev Card Reader device descriptor | |
cdr_unit Card Reader unit descriptor | |
cdr_reg Card Reader register list | |
cdr_mod Card Reader modifiers list | |
*/ | |
uint32 cdr_cmd(UNIT *, uint16, uint16); | |
t_stat cdr_srv(UNIT *); | |
t_stat cdr_reset(DEVICE *); | |
t_stat cdr_attach(UNIT *, CONST char *); | |
t_stat cdr_detach(UNIT *); | |
t_stat cdr_help(FILE *, DEVICE *, UNIT *, int32, const char *); | |
const char *cdr_description(DEVICE *dptr); | |
t_stat cdr_set_wiring (UNIT *uptr, int32 val, CONST char *cptr, void *desc); | |
t_stat cdr_show_wiring (FILE *st, UNIT *uptr, int32 val, CONST void *desc); | |
UNIT cdr_unit[4] = { | |
{UDATA(cdr_srv, UNIT_CDR, 0), 300}, // Unit 0 used internally for carddeck operations simulator specific command | |
{UDATA(cdr_srv, UNIT_CDR, 0), 300}, // unit 1 is default for initial model (1954) | |
{UDATA(cdr_srv, UNIT_CDR, 0), 300}, // storage unit (1955) allows two extra card/readers for a total of 3 | |
{UDATA(cdr_srv, UNIT_CDR, 0), 300}, | |
}; | |
MTAB cdr_mod[] = { | |
{MTAB_XTD | MTAB_VUN, 0, "FORMAT", "FORMAT", &sim_card_set_fmt, &sim_card_show_fmt, NULL, "Set card format"}, | |
{MTAB_XTD | MTAB_VUN, 0, "WIRING", "WIRING", &cdr_set_wiring, &cdr_show_wiring, NULL, "Set card read control panel Wiring"}, | |
{0} | |
}; | |
DEVICE cdr_dev = { | |
"CDR", cdr_unit, NULL, cdr_mod, | |
4, 8, 15, 1, 8, 8, | |
NULL, NULL, NULL, NULL, &cdr_attach, &sim_card_detach, | |
&cdr_dib, DEV_DISABLE | DEV_DEBUG, 0, crd_debug, | |
NULL, NULL, &cdr_help, NULL, NULL, &cdr_description | |
}; | |
// get 10 digits word with sign from card buf (the data struct). return 1 if HiPunch set on any digit | |
int decode_8word_wiring(struct _card_data * data, int addr) | |
{ | |
// decode up to 8 numerical words per card | |
// input card | |
// NNNNNNNNNN ... 8 times | |
// If last digit of word has X(11) punch whole word is set as negative value | |
// If N is non numeric, a 0 is assumed | |
// put the decoded data in drum at addr (if addr < 0 -> do not store in drum) | |
// return 1 if any colum has Y(12) hi-punch set | |
uint16 c1,c2; | |
int wn,iCol,iDigit; | |
int HiPunch, NegPunch, NegZero; | |
t_int64 d; | |
NegZero = 0; // flag set if negative zero is read | |
HiPunch = 0; // set to 1 if Y(12) high punch found | |
iCol = 0; // current read colum in card | |
for (wn=0;wn<8;wn++) { // one card generates 8 words in drum mem | |
d = NegPunch = 0; | |
// read word digits | |
for (iDigit=0;iDigit<10;iDigit++) { | |
c1 = data->image[iCol++]; | |
c2 = data->hol_to_ascii[c1]; // convert to ascii | |
if ((c1 == 0xA00) || (c2 == '?')) { | |
c1 = 0xA00; c2 = '?'; // the punched value +0 should be represented by ascii ? | |
} | |
if ((c2 == '+') && (iCol == 1)) { // on IT control card, first char is a Y(12) punch to make control card a load card. | |
c1 = 0xA00; c2 = '?'; // Digit interpreted as +0 | |
} | |
if (strchr(digits_ascii, c2) == NULL) { // scan digits ascii to check if this is a valid numeric digit with Y or X punch | |
c1 = 0; // nondigits chars interpreted as blank | |
} | |
if (c1 & 0x800) HiPunch = 1; // if column has Hi Punch Y(12) set, signal it | |
NegPunch = (c1 & 0x400) ? 1:0; // if column has minus X(11) set, signal it | |
c1 = c1 & 0x3FF; // remove X and Y punches | |
c2 = data->hol_to_ascii[c1]; // convert to ascii again | |
c2 = c2 - '0'; // convert ascii to binary digit | |
if (c2 > 9) c2 = 0; // nondigits chars interpreted as zero | |
d = d * 10 + c2; | |
} | |
// end of word. set sign | |
if (NegPunch) { // has last digit a minus X(11) punch set? | |
d = -d; // yes, change sign of word read | |
if (d == 0) NegZero=1; // word read is minus zero | |
} | |
if (addr >= 0) WriteDrum(addr++, d, NegZero); // store word read from card into drum | |
} | |
return HiPunch; | |
} | |
// load soap symbolic info, This is a facility to help debugging of soap programs into SimH | |
// does not exist in real hw | |
void decode_soap_symb_info(struct _card_data * data, int addr) | |
{ | |
t_int64 d; | |
int op,da,ia,i,i2,p; | |
char buf[81]; | |
uint16 c1,c2; | |
// check soap 1-word load card initial word | |
d = DRUM[addr + 0]; | |
if (d != 6919541953LL) return; // not a 1-word load card | |
// get the address where the 1-word card will be loaded (into da) | |
d = DRUM[addr+2]; | |
op = Shift_Digits(&d, 2); // current inst opcode | |
da = Shift_Digits(&d, 4); // addr of data | |
ia = Shift_Digits(&d, 4); // addr of next instr | |
if ((op != 24) && (ia != 8000)) return; // not a 1-word load card | |
if (da >= (int)MEMSIZE) return; // destination address out of range | |
// convert card image punches to ascii buf for processing, starting at col 40 | |
// keep 026 fortran charset | |
for (i=40;i<80;i++) { | |
c1 = data->image[i]; | |
c2 = data->hol_to_ascii[c1]; | |
c2 = (strchr(mem_to_ascii, toupper(c2))) ? c2:' '; | |
if (c2 == '~') c2 = ' '; | |
buf[i] = (char) c2; | |
} | |
buf[80] = 0; // terminate string | |
// copy soap symbolic info | |
i2 = 80; | |
while (1) { // calc i2 = last non space char to copy | |
if (--i2 < 41) return; // noting to copy | |
if (buf[i2] > 32) break; | |
} | |
p = da * 80; | |
for (i=0;i<80;i++) | |
DRUM_Symbolic_Buffer[p+i] = 0; // clear drum[da] symbolic info | |
for (i=41;i<=i2;i++) { | |
if ((i==47) || (i==50) || (i==55)) DRUM_Symbolic_Buffer[p++] = 32; // add space separation between op, da, ia fields | |
DRUM_Symbolic_Buffer[p++] = buf[i]; | |
} | |
} | |
t_int64 decode_num_word(char * buf, int nDigits, int bSpaceIsZero) | |
{ | |
t_int64 d; | |
int i,c; | |
d = 0; | |
for (i=0;i<nDigits;i++) { | |
c = *buf++; | |
if ((c == 32) && (bSpaceIsZero)) c = '0'; | |
if ((c < '0') || (c > '9')) { | |
d = -1; // not a number | |
break; | |
} | |
d = d * 10 + c - '0'; | |
} | |
if (d < 0) { | |
// not a number -> return all 9's | |
d = 0; | |
for (i=0;i<nDigits;i++) d = d * 10 + 9; | |
} | |
return d; | |
} | |
t_int64 decode_alpha_word(char * buf, int n) | |
{ | |
t_int64 d; | |
int i; | |
d = 0; | |
for (i=0;i<n;i++) { | |
d = d * 100 + ascii_to_NN(*buf++); | |
} | |
return d; | |
} | |
void decode_soap_wiring(struct _card_data * data, int addr) | |
{ | |
// decode soap card simulating soap control panel wiring for 533 | |
// from SOAP II manual at http://www.bitsavers.org/pdf/ibm/650/24-4000-0_SOAPII.pdf | |
// input card | |
// Column: 41 | 42 | 43 44 45 46 47 | 48 49 50 | 51 52 53 54 55 | 56 | 57 58 59 60 61 | 62 | 63 64 65 66 67 68 69 70 71 72 | |
// Ty | Sg | Location | OpCode | Data Addr | Tg | Instr Addr | Tg | Remarks | |
// | |
// Ty = Type = blank, 1 or 2 | |
// Sg = sign = blank or - | |
// Tg = Tag = | |
// storage in input block | |
// +-------------------+ | |
// Word 1951: | <- Location -> | Alphabetic | |
// 1952: | <- Data Addr -> | Alphabetic | |
// 1953: | <- Inst Addr -> | Alphabetic | |
// +-+-+-|-+-+-|-+-|-+-| | |
// 1954: | Op Code |DTg|ITg| Alphabetic | |
// +-+-+-|-+-+-|-+-|-+-| | |
// 1955: | <- Remarks -> | Alphabetic | |
// 1956: | <- Remarks -> | Alphabetic | |
// +-+-+-+-+-+-|-+-+-+-| | |
// 1957: | |N N N N| L Absolute Part | |
// 1958: | |N N N N| D Absolute Part | |
// 1959: | |N N N N| I Absolute Part | |
// 1960: | |T b n| T=Type (0 if Blank), b=0/8 (for non blank type), n=0/8 (for negative) | |
// +-------------------+ | |
// | |
int ty,neg; | |
char buf[81]; | |
int i; | |
uint16 c1,c2; | |
// convert card image punches to ascii buf for processing | |
// keep 026 fortran charset | |
for (i=0;i<80;i++) { | |
c1 = data->image[i]; | |
c2 = data->hol_to_ascii[c1]; | |
c2 = (strchr(mem_to_ascii, toupper(c2))) ? c2:' '; | |
if (c2 == '~') c2 = ' '; | |
buf[i] = (char) c2; | |
} | |
buf[80] = 0; // terminate string | |
DRUM[addr + 0] = decode_alpha_word(&buf[42], 5); // Location (5 chars) | |
DRUM[addr + 1] = decode_alpha_word(&buf[50], 5); // Data Addr (5 chars) | |
DRUM[addr + 2] = decode_alpha_word(&buf[56], 5); // Inst Addr (5 chars) | |
DRUM[addr + 3] = decode_alpha_word(&buf[47], 3) * D4 + // OpCode (3 chars only) | |
decode_alpha_word(&buf[55], 1) * 100 + // Data Addr Tag (1 char only) | |
decode_alpha_word(&buf[61], 1); // Instr Addr Tag (1 char only) | |
DRUM[addr + 4] = decode_alpha_word(&buf[62], 5); // Remarks | |
DRUM[addr + 5] = decode_alpha_word(&buf[67], 5); // Remarks | |
DRUM[addr + 6] = decode_num_word(&buf[43], 4, 0); // Absolute Part of location | |
DRUM[addr + 7] = decode_num_word(&buf[51], 4, 0); // Absolute Part of Data Addr | |
DRUM[addr + 8] = decode_num_word(&buf[57], 4, 0); // Absolute Part of Instr Addr | |
ty = buf[40] - '0'; | |
if ((ty < 0) || (ty > 9)) ty = 0; | |
neg = (buf[41] == '-') ? 8:0; | |
DRUM[addr + 9] = ty * 100 + | |
(ty ? 80:0) + | |
neg; // |T b n| T=Type (0 if Blank), b=0/8 (for non blank type), n=0/8 (for negative) | |
} | |
int sformat(char * buf, const char * match) | |
{ | |
char m,c; | |
while(1) { | |
m = *match++; | |
if (m == 0) break; | |
c = *buf++; | |
if (c == 0) return 0; // end of buf str before end of match string -> return 0 -> buf does not match | |
if ((m == ' ') && (c == ' ')) continue; | |
if ((m == 'N') && (c >= '0') && (c <= '9')) continue; | |
if ((m == '+') && ((c == '+') || (c == '-'))) continue; | |
return 0; // buf does not match -> return 0 -> buf does not match | |
} | |
return 1; // end of match string -> return 1 -> buf matches | |
} | |
void decode_is_wiring(struct _card_data * data, int addr) | |
{ | |
// decode Floationg Decimal Interpretive System (IS) card simulating control panel wiring for 533 as described | |
// in manual at http://www.bitsavers.org/pdf/ibm/650/28-4024_FltDecIntrpSys.pdf | |
// input card | |
// Column: 1 2 3 4 | 5 6 | 7 8 9 | 10 | 11 | 12 - 21 | 22 | 23 - 32 | 33 | 34 - 43 | 44 | 45 - 54 | 55 | 56 - 65 | 66 | 67 - 76 | 77 78 79 | 80 | |
// Card | | Location | wc | s1 | Word1 | s2 | Word2 | s3 | Word3 | s4 | Word4 | s5 | Word5 | s6 | Word6 | Problem | | |
// Num | Num | |
// | |
// wc = Word Count (range 0 to 6, space for 1) | |
// s1 = sign of word 1 (-, + or <space> (same as +)) | |
// Tr = Tracing identification | |
// Word = word in format NNNNNNNNNN | |
// N is 0..9, <space> (same as 0) | |
// | |
// Alternate input format to allow system deck loading | |
// Column: 1 2 | 3 | 4 5 6 | 7 | 8 9 10 11 | 12 | 13 - 24 | |
// Deck | sp | Card | | NNNN | | NN NNNN NNNN | |
// Num | | Num | | |
// | |
// Alternate input format to allow IT source program loading | |
// Column: 1 2 3 4 | 5 6 | 7 8 9 | 10 | 11 | 12 - 24 | |
// Card | Blank | Location | | sg | N NNN NNN NNN <- This is an IS instruction (format O1 A B C) | |
// Num | | |
// Column: 1 2 3 4 | 5 6 | 7 8 9 | 10 | 11 | 12 - 23 | |
// Card | Blank | Location | | sg | N NNNNNNN NN <- This is an IS float numeric constant (mantissa and exponent) | |
// Num | | |
// Column: 1 2 3 4 | 5 6 | 7 8 9 | 10 - 23 | |
// Card | Blank | Location | blanks <- This is an IS transfer card (location is start of IT program) | |
// Num | | |
// | |
// storage in input block | |
// +-+-+-+-+-+-|-+-+-+-| | |
// Word 1951: | |N N N N| | Location | |
// 1952: | |N N N N| | Word Count | |
// +-------------------+ | |
// 1953: | word1 | | |
// 1954: | word2 | | |
// 1955: | word3 | | |
// 1956: | word4 | | |
// 1957: | word5 | | |
// 1958: | word6 | | |
// +-------------------+ | |
// 1959: | Problem Number | | |
// +-------------------+ | |
// | |
// put the decoded data in drum at addr (if addr < 0 -> do not store in drum) | |
// card number is ignored on reading | |
int wc,neg,i; | |
int NegZero; | |
t_int64 d; | |
char buf[81]; | |
uint16 c1,c2; | |
// convert card image punches to ascii buf for processing | |
// keep 0..9,+,-,<space>, replace anything else by <space> | |
for (i=0;i<80;i++) { | |
c1 = data->image[i]; | |
c2 = data->hol_to_ascii[c1]; | |
buf[i] = (strchr("+-0123456789", c2)) ? ((char) (c2)):' '; | |
} | |
buf[80] = 0; // terminate string | |
if ( sformat(&buf[6], " ")) { | |
// card with firsts 26 cols blank = blank card: read as all zero, one word count | |
// this allows to have blank cards/comments card as long as the comment starts on column 27 of more | |
DRUM[addr + 1] = 1 * D4; // word count | |
} else if ( sformat(&buf[5], " NNN ")) { | |
// alternate format for loading IT program (IT transfer card) | |
DRUM[addr + 0] = decode_num_word(&buf[6], 3, 0) * D4; // start location (3 digits) | |
DRUM[addr + 1] = 0; // word count = 0 | |
} else if ( sformat(&buf[5], " NNN +N NNN NNN NNN ")) { | |
// alternate format for loading IT program (IT instruction) | |
DRUM[addr + 0] = decode_num_word(&buf[6], 3, 0) * D4; // location (3 digits) | |
DRUM[addr + 1] = 1 * D4; // word count | |
NegZero = 0; | |
neg = (buf[10] == '-') ? 1:0; | |
d = decode_num_word(&buf[11], 1, 0) * 10 * D8 + // O1 | |
decode_num_word(&buf[13], 3, 0) * 100 * D4 + // O2 or A | |
decode_num_word(&buf[17], 3, 0) * 1000 + // B | |
decode_num_word(&buf[21], 3, 0); // C | |
if (neg) { | |
d=-d; | |
if (d==0) NegZero = 1; | |
} | |
WriteDrum(addr + 2, d, NegZero); | |
} else if ( sformat(&buf[5], " NNN +N NNNNNNN NN ")) { | |
// alternate format for loading IT program (numeric constant in float format) | |
DRUM[addr + 0] = decode_num_word(&buf[6], 3, 0) * D4; // location (3 digits) | |
DRUM[addr + 1] = 1 * D4; // word count | |
NegZero = 0; | |
neg = (buf[10] == '-') ? 1:0; | |
d = decode_num_word(&buf[11], 1, 0) * 10 * D8 + // integer part of mantissa | |
decode_num_word(&buf[13], 7, 0) * 100 + // factional part of mantissa | |
decode_num_word(&buf[21], 2, 0); // exponent | |
if (neg) { | |
d=-d; | |
if (d==0) NegZero = 1; | |
} | |
WriteDrum(addr + 2, d, NegZero); | |
} else if ( (sformat(&buf[6], " NNNN NN NNNN NNNN ")) || | |
(sformat(&buf[6], " NNNN NN NNNN ")) || | |
(sformat(&buf[6], " NNNN NN NNNN ")) || | |
(sformat(&buf[6], " NNNN NN ")) | |
) { | |
// alternate format for loading main IT system deck | |
DRUM[addr + 0] = decode_num_word(&buf[7], 4, 0) * D4; // location (4 digits) | |
DRUM[addr + 1] = 1 * D4; // word count = 1 | |
DRUM[addr + 2] = decode_num_word(&buf[12], 2, 1) * D8 + // op | |
decode_num_word(&buf[15], 4, 1) * D4 + // data address | |
decode_num_word(&buf[20], 4, 1); // instr addr, no negative zero allowed | |
} else { | |
// regular IT read/punch format | |
DRUM[addr + 0] = decode_num_word(&buf[6], 3, 0) * D4; // location (3 digits) | |
wc = (int) decode_num_word(&buf[9], 1, 1); | |
if (wc > 6) wc = 6; | |
DRUM[addr + 1] = wc * D4; // word count | |
for (i=0;i<wc;i++) { | |
NegZero = 0; | |
neg = (buf[10 + 11*i] == '-') ? 1:0; | |
d = decode_num_word(&buf[11 + 11*i], 10, 1); | |
if (neg) { | |
d=-d; | |
if (d==0) NegZero = 1; | |
} | |
WriteDrum(addr + 2 + i, d, NegZero); | |
} | |
DRUM[addr + 9] = decode_num_word(&buf[76], 3, 1); // problem number | |
} | |
} | |
void decode_it_wiring(struct _card_data * data, int addr) | |
{ | |
// decode IT compiler card simulating control panel wiring for 533 | |
// from IT manual at http://www.bitsavers.org/pdf/ibm/650/CarnegieInternalTranslator.pdf | |
// source program input card | |
// Column: 1 2 3 4 | 5 | 6 - 42 | 43 - 70 | 71 72 | 73 - 80 | | |
// N N N N | + | | Statement | | Comments | | |
// Statement | Y(12) | | max 28 | | max 8 | | |
// Number | Punch | | chars | | chars | | |
// | |
// storage in input block | |
// +-------------------+ | |
// Word 0051: | <- Statement -> | Alphabetic | |
// 0052: | <- Statement -> | Alphabetic | |
// 0053: | <- Statement -> | Alphabetic | |
// 0054: | <- Statement -> | Alphabetic | |
// 0055: | <- Statement -> | Alphabetic | |
// 0056: | <- Statement -> | Alphabetic | |
// +-+-+-+-+-+-|-+-+-+-| | |
// 0057: | |N N N N| Statement Number | |
// +-+-+-+-+-+-|-+-+-+-| | |
// 0058: | | Not used | |
// 0059: | | Not used | |
// 0060: | | Not used | |
// +-------------------+ | |
// | |
// type 1 data input card | |
// Column: 1 2 | 3 | 4 5 6 | 7 8 9 10 | 11 - 20 | | |
// VV | + | N N N | D D D D | Word | |
// | Y(12) | | |
// | Punch | | |
// VV = IT variable being loaded: 01 -> I type, 02 -> Y type, 03 -> C type | |
// N N N = variable number (I5 -> 01 + 005) | |
// D D D D = variable arbitrary non-zero identification number | |
// Word = word to be loaded into IT variable. If type I, is an integer. If type C or Y | |
// type is word is float (M MMMMMMM EE -> M=mantisa, EE=exponent) | |
// if word is negative, last digit get X(11) overpunch | |
// up to 4 pairs var-word per card | |
// last card signaed with a X(11) overpunch in col 10 | |
// space is considered as zero | |
// type 2 data input card is a load card. No spaces are allowed | |
char buf[81]; | |
int i; | |
uint16 c1,c2; | |
// convert card image punches to ascii buf for processing | |
// keep 026 fortran charset | |
for (i=0;i<80;i++) { | |
c1 = data->image[i]; | |
c2 = data->hol_to_ascii[c1]; | |
c2 = (strchr(mem_to_ascii, toupper(c2))) ? c2:' '; | |
if (c2 == '~') c2 = ' '; | |
buf[i] = (char) c2; | |
} | |
buf[80] = 0; // terminate string | |
if (buf[2] == '+') { | |
// type 1 data card | |
// re-read as 8 word per card | |
decode_8word_wiring(data, addr); | |
return; | |
} | |
DRUM[addr + 0] = decode_alpha_word(&buf[42], 5); // Statement (5 chars) | |
DRUM[addr + 1] = decode_alpha_word(&buf[47], 5); // Statement (5 chars) | |
DRUM[addr + 2] = decode_alpha_word(&buf[52], 5); // Statement (5 chars) | |
DRUM[addr + 3] = decode_alpha_word(&buf[57], 5); // Statement (5 chars) | |
DRUM[addr + 4] = decode_alpha_word(&buf[62], 5); // Statement (5 chars) | |
DRUM[addr + 5] = decode_alpha_word(&buf[67], 3); // Statement (3 chars) | |
DRUM[addr + 6] = decode_num_word(&buf[0], 4, 1); // Statement Number (space is read as digit zero) | |
} | |
/* | |
* Device entry points for card reader. | |
*/ | |
uint32 cdr_cmd(UNIT * uptr, uint16 cmd, uint16 addr) | |
{ | |
struct _card_data *data; | |
uint32 wiring; | |
int i; | |
char cbuf[81]; | |
/* Are we currently tranfering? */ | |
if (uptr->u5 & URCSTA_BUSY) | |
return SCPE_BUSY; | |
// clear read buffer in drum (where words read from cards will be stored) | |
for (i=0;i<10;i++) WriteDrum(addr + i, 0, 0); | |
/* Test ready */ | |
if ((uptr->flags & UNIT_ATT) == 0) { | |
sim_debug(DEBUG_CMD, &cdr_dev, "No cards (no file attached)\n"); | |
return SCPE_NOCARDS; | |
} | |
/* read the cards */ | |
sim_debug(DEBUG_CMD, &cdr_dev, "READ\n"); | |
uptr->u5 |= URCSTA_BUSY; | |
switch(sim_read_card(uptr)) { | |
case SCPE_EOF: | |
sim_debug(DEBUG_DETAIL, &cdr_dev, "EOF\n"); | |
uptr->u5 = 0; | |
return SCPE_NOCARDS; | |
case SCPE_UNATT: | |
sim_debug(DEBUG_DETAIL, &cdr_dev, "Not Attached\n"); | |
uptr->u5 = 0; | |
return SCPE_NOCARDS; | |
case SCPE_IOERR: | |
sim_debug(DEBUG_DETAIL, &cdr_dev, "ERR\n"); | |
uptr->u5 = 0; | |
return SCPE_NOCARDS; | |
case SCPE_OK: | |
break; | |
} | |
data = (struct _card_data *)uptr->up7; | |
// make local copy of card for debug output | |
for (i=0; i<80; i++) | |
cbuf[i] = data->hol_to_ascii[data->image[i]]; | |
cbuf[80] = 0; // terminate string | |
sim_debug(DEBUG_DETAIL, &cpu_dev, "Read Card: %s\n", sim_trim_endspc(cbuf)); | |
// uint16 data->image[] array that holds the actual punched rows on card | |
// using this codification: | |
// | |
// Row Name value in image[] comments | |
// | |
// Y 0x800 Hi Punch Y(12) | |
// X 0x400 Minus Punch X(11) | |
// 0 0x200 also called T (Ten, 10) | |
// 1 0x100 | |
// 2 0x080 | |
// 3 0x040 | |
// 4 0x020 | |
// 5 0x010 | |
// 6 0x008 | |
// 7 0x004 | |
// 8 0x002 | |
// 9 0x001 | |
// | |
// If several columns are punched, the values are ORed: eg char A is represented as a punch | |
// on row Y and row 1, so it value in image array will be 0x800 | 0x100 -> 0x900 | |
// check if it is a load card (Y(12) = HiPunch set on any column of card) signales it | |
if (decode_8word_wiring(data, -1)) { | |
uptr->u5 |= URCSTA_LOAD; | |
} else { | |
uptr->u5 &= ~URCSTA_LOAD; | |
} | |
wiring = (uptr->flags & UNIT_CARD_WIRING); | |
// translate chars read from card and copy to drum memory words | |
// using the control panel wiring. | |
if (uptr->u5 & URCSTA_LOAD) { | |
// load card -> use 8 words per card encoding | |
decode_8word_wiring(data, addr); | |
if (uptr->u5 & URCSTA_SOAPSYMB) { | |
// requested to load soap symb info | |
decode_soap_symb_info(data, addr); | |
} | |
} else if (wiring == WIRING_SOAP) { | |
// decode soap card simulating soap control panel wiring for 533 (gasp!) | |
decode_soap_wiring(data, addr); | |
} else if (wiring == WIRING_IS) { | |
// decode floating point interpretive system (bell interpreter) card | |
decode_is_wiring(data, addr); | |
} else if (wiring == WIRING_IT) { | |
// decode Carnegie Internal Translator compiler card | |
decode_it_wiring(data, addr); | |
} else { | |
// default wiring: decode up to 8 numerical words per card. Can be a load card | |
decode_8word_wiring(data, addr); | |
} | |
uptr->u5 &= ~URCSTA_BUSY; | |
return SCPE_OK; | |
} | |
/* Handle transfer of data for card reader */ | |
t_stat | |
cdr_srv(UNIT *uptr) { | |
// I/O is synchronous. No need to set up svr | |
return SCPE_OK; | |
} | |
/* Set card read/punch control panel wiring */ | |
t_stat cdr_set_wiring (UNIT *uptr, int32 val, CONST char *cptr, void *desc) | |
{ | |
int f; | |
if (uptr == NULL) return SCPE_IERR; | |
if (cptr == NULL) return SCPE_ARG; | |
for (f = 0; wirings[f].name != 0; f++) { | |
if (strcmp (cptr, wirings[f].name) == 0) { | |
uptr->flags = (uptr->flags & ~UNIT_CARD_WIRING) | wirings[f].mode; | |
return SCPE_OK; | |
} | |
} | |
return SCPE_ARG; | |
} | |
/* Show card read/punch control panel wiring */ | |
t_stat cdr_show_wiring (FILE *st, UNIT *uptr, int32 val, CONST void *desc) | |
{ | |
int f; | |
for (f = 0; wirings[f].name != 0; f++) { | |
if ((uptr->flags & UNIT_CARD_WIRING) == wirings[f].mode) { | |
fprintf (st, "%s wiring", wirings[f].name); | |
return SCPE_OK; | |
} | |
} | |
fprintf (st, "invalid control panel wiring (%d)", uptr->flags & UNIT_CARD_WIRING); | |
return SCPE_OK; | |
} | |
t_stat | |
cdr_attach(UNIT * uptr, CONST char *file) | |
{ | |
t_stat r; | |
if (uptr->flags & UNIT_ATT) // remove current deck in read hopper before attaching | |
sim_card_detach(uptr); // the new one | |
r = sim_card_attach(uptr, file); | |
if (SCPE_BARE_STATUS(r) != SCPE_OK) | |
return r; | |
uptr->u5 = 0; | |
uptr->u4 = 0; | |
uptr->u6 = 0; | |
if (sim_switches & SWMASK ('L')) { /* Load Symbolic SOAP info? */ | |
uptr->u5 |= URCSTA_SOAPSYMB; | |
} | |
return SCPE_OK; | |
} | |
t_stat | |
cdr_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr) | |
{ | |
fprintf (st, "%s\r\n\r\n", cdr_description(dptr)); | |
fprintf (st, "The 533 Card Read-punch supported a load mode, and\r\n"); | |
fprintf (st, "several predefined control panel wiring. Default\r\n"); | |
fprintf (st, "wiring is up to 8 numeric words per card.\r\n\r\n"); | |
sim_card_attach_help(st, dptr, uptr, flag, cptr); | |
fprint_set_help(st, dptr); | |
fprint_show_help(st, dptr); | |
return SCPE_OK; | |
} | |
const char * | |
cdr_description(DEVICE *dptr) | |
{ | |
return "533 Card Read-Ounch unit"; | |
} | |