123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/* Copyright 1990 by Abacus Research and
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* Development, Inc. All rights reserved.
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*/
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#if !defined (OMIT_RCSID_STRINGS)
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char ROMlib_rcsid_mkexpand[] =
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"$Id: mkexpandtables.c 63 2004-12-24 18:19:43Z ctm $";
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#endif
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#include "rsys/common.h"
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#include <stdio.h>
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#define EIGHTHPOWEROF(x) ((x)*(x)*(x)*(x)*(x)*(x)*(x)*(x))
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#undef PRIVATE
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#define PRIVATE static
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#define PUBLIC
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PRIVATE void buildexpandtable4( void )
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{
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LONGINT i, j, retval;
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printf("PRIVATE LONGINT expandtable4[] = {\n");
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for (i = 0; i < EIGHTHPOWEROF(2); i++) {
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retval = 0;
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for (j = 0; j < 8; j++) {
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if (i & (1 << j))
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retval |= ((LONGINT) 0xF << j * 4);
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}
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if (!(i & 3))
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printf(" ");
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#if defined(LITTLEENDIAN)
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{ unsigned char b0, b1, b2, b3;
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b0 = retval;
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b1 = retval >> 8;
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b2 = retval >> 16;
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b3 = retval >> 24;
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retval = ((LONGINT) b0 << 24)|((LONGINT) b1 << 16)|((LONGINT) b2 << 8)|b3;
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}
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#endif /* defined(LITTLEENDIAN) */
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printf("CLC(0x%08X),", retval); /* NOTE: LONGINT is not a long */
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putchar((i & 3) == 3 ? '\n' : ' ');
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}
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printf("};\n");
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}
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PRIVATE void buildexpandtable2( void )
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{
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LONGINT i, j, retval;
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printf("PRIVATE INTEGER expandtable2[] = {\n");
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for (i = 0; i < EIGHTHPOWEROF(2); i++) {
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retval = 0;
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for (j = 0; j < 8; j++) {
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if (i & (1 << j))
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retval |= (0x3 << j * 2);
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}
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if (!(i & 7))
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printf(" ");
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#if defined(LITTLEENDIAN)
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retval = ((unsigned short)retval >> 8) | ((unsigned char)retval << 8);
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#endif /* defined(LITTLEENDIAN) */
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printf("CWC(0x%04X),", (LONGINT) (unsigned short) retval);
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putchar((i & 7) == 7 ? '\n' : ' ');
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}
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printf("};\n");
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}
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PRIVATE void buildshrinktable2( void )
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{
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LONGINT i, j, retval;
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printf("PRIVATE unsigned char shrinktable2[] = {\n");
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for (i = 0; i < EIGHTHPOWEROF(2); i++) {
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retval = 0;
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for (j = 0; j < 4; j++) {
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if (i & (3 << (j*2)))
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retval |= 1 << j;
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}
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if (!(i & 7))
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printf(" ");
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printf("0x%X,", retval);
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putchar((i & 7) == 7 ? '\n' : ' ');
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}
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printf("};\n");
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}
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#if defined (BUILDSHRINKTABLE4)
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PRIVATE void buildshrinktable4( void )
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{
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LONGINT i, j, retval;
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printf("PRIVATE unsigned char shrinktable4[] = {\n");
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for (i = 0; i < EIGHTHPOWEROF(2); i++) {
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retval = 0;
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for (j = 0; j < 2; j++) {
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if (i & (0xF << (j*4)))
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retval |= 1 << j;
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}
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if (!(i & 7))
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printf(" ");
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printf("0x%X,", retval);
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putchar((i & 7) == 7 ? '\n' : ' ');
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}
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printf("};\n");
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}
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#endif /* BUILDSHRINKTABLE4 */
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PUBLIC int main( void )
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{
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buildexpandtable4();
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buildexpandtable2();
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buildshrinktable2();
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#if defined (BUILDSHRINKTABLE4)
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buildshrinktable4();
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#endif /* BUILDSHRINKTABLE4 */
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exit(0);
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}
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