| /* hp2100_fp.h: HP 2100/21MX floating point definitions | |
| Copyright (c) 2002-2013, Robert M. Supnik | |
| 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 | |
| ROBERT M SUPNIK 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 name of Robert M Supnik shall not be | |
| used in advertising or otherwise to promote the sale, use or other dealings | |
| in this Software without prior written authorization from Robert M Supnik. | |
| 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 | |
| */ | |
| #ifndef HP2100_FP_H_ | |
| #define HP2100_FP_H_ | |
| /* 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); | |
| #endif |