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1.1 root 1: /*---------------------------------------------------------------------------+
2: | exception.h |
3: | |
4: | Copyright (C) 1992 W. Metzenthen, 22 Parker St, Ormond, Vic 3163, |
5: | Australia. E-mail [email protected] |
6: | |
7: +---------------------------------------------------------------------------*/
8:
9: #ifndef _EXCEPTION_H_
10: #define _EXCEPTION_H_
11:
12:
13: #ifdef __ASSEMBLER__
14: #define Const_(x) $##x
15: #else
16: #define Const_(x) x
17: #endif
18:
19: #ifndef SW_C1
20: #include "fpu_emu.h"
21: #endif SW_C1
22:
23: #define FPU_BUSY Const_(0x8000) /* FPU busy bit (8087 compatibility) */
24: #define EX_ErrorSummary Const_(0x0080) /* Error summary status */
25: /* Special exceptions: */
26: #define EX_INTERNAL Const_(0x8000) /* Internal error in wm-FPU-emu */
27: #define EX_StackOver Const_(0x0041|SW_C1) /* stack overflow */
28: #define EX_StackUnder Const_(0x0041) /* stack underflow */
29: /* Exception flags: */
30: #define EX_Precision Const_(0x0020) /* loss of precision */
31: #define EX_Underflow Const_(0x0010) /* underflow */
32: #define EX_Overflow Const_(0x0008) /* overflow */
33: #define EX_ZeroDiv Const_(0x0004) /* divide by zero */
34: #define EX_Denormal Const_(0x0002) /* denormalized operand */
35: #define EX_Invalid Const_(0x0001) /* invalid operation */
36:
37:
38: #ifndef __ASSEMBLER__
39:
40: #ifdef DEBUG
41: #define EXCEPTION(x) { printf("exception in %s at line %d\n", \
42: __FILE__, __LINE__); exception(x); }
43: #else
44: #define EXCEPTION(x) exception(x)
45: #endif
46:
47: #endif __ASSEMBLER__
48:
49: #endif _EXCEPTION_H_
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