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SEL32: Add excess 64 floating point support to cpu instruction set.

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Add sel32_fltpt.c subroutine set that handles 32/64 bit floating point
 arithmetic.  Also float/fix conversions.
This commit is contained in:
James C. Bevier
2019-07-17 21:39:18 -04:00
committed by Richard Cornwell
parent 56455e9808
commit 1dfd36c74a
3 changed files with 1834 additions and 309 deletions
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952
SEL32/sel32_cpu.c
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1
SEL32/sel32_defs.h
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@@ -326,6 +326,7 @@ extern DEBTAB dev_debug[];
#define C_BITS 0x00000003 /* byte number or hw, dw, dw flags bits 20 & 31 */
#define BIT0 0x80000000 /* general use for bit 0 testing */
#define BIT1 0x40000000 /* general use for bit 1 testing */
#define BIT2 0x20000000 /* general use for bit 2 testing */
#define MASK16 0x0000FFFF /* 16 bit address mask */
#define MASK19 0x0007FFFF /* 19 bit address mask */
#define MASK20 0x000FFFFF /* 20 bit address mask */

1190
SEL32/sel32_fltpt.c Normal file
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