1 /* 2 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische 3 * Universitaet Berlin. See the accompanying file "COPYRIGHT" for 4 * details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. 5 */ 6 7 /*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/bitter.c,v 1.1 1992/10/28 00:28:39 jutta Exp $*/ 8 9 /* Generate code to pack a bit array from a name:#bits description */ 10 11 #include <stdio.h> 12 #include "taste.h" 13 #include "proto.h" 14 15 void write_code P2((s_spex, n_spex), struct spex * s_spex, int n_spex) 16 { 17 struct spex * sp = s_spex; 18 int bits = 8; 19 int vars; 20 21 if (!n_spex) return; 22 23 vars = sp->varsize; 24 25 while (n_spex) { 26 27 if (bits == 8) printf("\t*c++ = "); 28 else printf("\t | "); 29 30 if (vars == bits) { 31 32 printf( (bits==8? "%s & 0x%lX;\n" : "(%s & 0x%lX);\n"), 33 sp->var, 34 ~(0xfffffffe << (bits - 1))); 35 if (!-- n_spex) break; 36 sp++; 37 38 vars = sp->varsize; 39 bits = 8; 40 41 } else if (vars < bits) { 42 43 printf( "((%s & 0x%lX) << %d)", 44 sp->var, 45 ~(0xfffffffe << (vars - 1)), 46 bits - vars); 47 bits -= vars; 48 if (!--n_spex) { 49 puts(";"); 50 break; 51 } 52 else putchar('\n'); 53 sp++; 54 vars = sp->varsize; 55 56 } else { 57 printf("((%s >> %d) & 0x%X);\n", 58 sp->var, 59 vars - bits, 60 ~(0xfffffffe << (bits - 1))); 61 62 vars -= bits; 63 bits = 8; 64 } 65 } 66 } 67
