46 lines
2.3 KiB
C
46 lines
2.3 KiB
C
/* hp2100_fp.h: HP 2100/21MX floating point declarations
|
|
|
|
Copyright (c) 2002-2013, Robert M. Supnik
|
|
Copyright (c) 2017, J. David Bryan
|
|
|
|
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 THE
|
|
AUTHORS 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.
|
|
|
|
Except as contained in this notice, the names of the authors shall not be
|
|
used in advertising or otherwise to promote the sale, use or other dealings
|
|
in this Software without prior written authorization from the authors.
|
|
|
|
15-Feb-17 JDB Deleted unneeded guard macro definition
|
|
14-Mar-13 MP Changed guard macro name to avoid reserved namespace
|
|
01-Dec-06 JDB Reworked FFP helpers for 1000-F support, deleted f_pwr2
|
|
26-Sep-06 JDB Moved from hp2100_fp.c to simplify extensions
|
|
*/
|
|
|
|
|
|
/* Firmware floating-point routines */
|
|
|
|
uint32 f_as (uint32 op, t_bool sub); /* FAD/FSB */
|
|
uint32 f_mul (uint32 op); /* FMP */
|
|
uint32 f_div (uint32 op); /* FDV */
|
|
uint32 f_fix (void); /* FIX */
|
|
uint32 f_flt (void); /* FLT */
|
|
|
|
/* Firmware FFP helpers */
|
|
|
|
uint32 fp_pack (OP *result, OP mantissa, int32 exponent, OPSIZE precision);
|
|
uint32 fp_nrpack (OP *result, OP mantissa, int32 exponent, OPSIZE precision);
|
|
uint32 fp_unpack (OP *mantissa, int32 *exponent, OP packed, OPSIZE precision);
|