archives/open-adventure
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Render the ascii<->advent character code mappings to lookup tables.

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This commit is contained in:
Jason S. Ninneman 2017-06-09 09:15:44 -07:00
parent 2c33a29cf1
commit bea58f2682
3 changed files with 11 additions and 47 deletions
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50
misc.c
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@ -13,6 +13,10 @@
#define PERCENT 63 /* partly hide the packed encoding */
const char advent_to_ascii[] = {0, 32, 33, 34, 39, 40, 41, 42, 43, 44, 45, 46, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 37, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 35, 36, 38, 47, 58, 59, 60, 61, 62, 63, 64, 91, 92, 93, 94, 95, 96, 123, 124, 125, 126, 0};
/* Rendered from the now-gone MPINIT() function */
const char ascii_to_advent[] = {0, 74, 75, 76, 77, 78, 79, 80, 81, 82, 0, 0, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 0, 1, 2, 106, 107, 63, 108, 3, 4, 5, 6, 7, 8, 9, 10, 109, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 110, 111, 112, 113, 114, 115, 116, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 117, 118, 119, 120, 121, 122, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 123, 124, 125, 126, 83};
/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
void SPEAK(vocab_t msg)
@ -695,7 +699,7 @@ void BUG(long num)
exit(0);
}
/* Machine dependent routines (MAPLIN, TYPE, MPINIT, SAVEIO) */
/* Machine dependent routines (MAPLIN, TYPE, SAVEIO) */
void MAPLIN(FILE *fp)
{
@ -726,9 +730,6 @@ void MAPLIN(FILE *fp)
* and is not changed thereafter unless the routines on this page choose
* to do so. */
if (MAP2[1] == 0)
MPINIT();
if (!oldstyle && fp == stdin)
fputs("> ", stdout);
do {
@ -747,7 +748,7 @@ void MAPLIN(FILE *fp)
LNLENG=0;
for (i=1; i<=(long)sizeof(INLINE) && INLINE[i]!=0; i++) {
val=INLINE[i]+1;
INLINE[i]=MAP1[val];
INLINE[i]=ascii_to_advent[val];
if (INLINE[i] != 0)
LNLENG=i;
}
@ -767,51 +768,14 @@ void TYPE(void)
return;
}
if (MAP2[1] == 0)
MPINIT();
for (i=1; i<=LNLENG; i++) {
INLINE[i]=MAP2[INLINE[i]+1];
INLINE[i]=advent_to_ascii[INLINE[i]+1];
}
INLINE[LNLENG+1]=0;
printf("%s\n", INLINE+1);
return;
}
void MPINIT(void)
{
long first, i, j, last, val;
static long RUNS[7][2] = { {32,34}, {39,46}, {65,90}, {97,122},
{37,37}, {48,57}, {0,126} };
for (i=1; i<=128; i++) {
MAP1[i]= -1;
}
val=0;
for (i=0; i<7; i++) {
first =RUNS[i][0];
last = RUNS[i][1];
for (j=first; j<=last; j++) {
j++;
if (MAP1[j] < 0) {
MAP1[j]=val;
++val;
}
j--;
}
}
MAP1[128]=MAP1[10];
/* For this version, tab (9) maps to space (32), so del (127)
* uses tab's value */
MAP1[10]=MAP1[33];
MAP1[11]=MAP1[33];
for (i=0; i<=126; i++) {
i++; val=MAP1[i]+1; i--;
MAP2[val] = i*('B'-'A');
if (i >= 64)
MAP2[val]=(i-64)*('B'-'A')+'@';
}
}
void fSAVEIO(long op, long in, long arr[])
/* If OP=0, ask for a file name and open a file. (If IN=true, the file is for
* input, else output.) If OP>0, read/write ARR from/into the previously-opened