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mirror of https://github.com/cc65/cc65.git synced 2024-11-19 21:32:19 +00:00

some cleanup, move everything we need into one directory

This commit is contained in:
mrdudz 2022-08-23 15:12:02 +02:00
parent 3c01489940
commit 87b6ddd3e0
18 changed files with 12 additions and 1604 deletions

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@ -1,31 +1,31 @@
PROCESSOR_H = ../../../processors/6502-CC65.h
SOFTFLOAT_MACROS = ../softfloat-macros
PROCESSOR_H = 6502-CC65.h
SOFTFLOAT_MACROS = softfloat-macros
TARGET=-t sim6502
OBJ = .o
EXE =
INCLUDES = -I. -I..
COMPILE_C = ../../../../../../bin/cl65 $(TARGET) -c -o $@ $(INCLUDES) -I- -O
COMPILE_ONLY = ../../../../../../bin/cl65 $(TARGET) --add-source -S -o $@.s $(INCLUDES) -I- -O
LINK = ../../../../../../bin/cl65 $(TARGET) -o $@
COMPILE_C = ../../../bin/cl65 $(TARGET) -c -o $@ $(INCLUDES) -I- -O
COMPILE_ONLY = ../../../bin/cl65 $(TARGET) --add-source -S -o $@.s $(INCLUDES) -I- -O
LINK = ../../../bin/cl65 $(TARGET) -o $@
#------------------------------------------------------------------------------
# Probably okay below here.
#------------------------------------------------------------------------------
ALL: softfloat$(OBJ) timesoftfloat$(EXE)
all: softfloat$(OBJ) timesoftfloat$(EXE)
milieu.h: $(PROCESSOR_H)
touch milieu.h
softfloat$(OBJ): milieu.h softfloat.h softfloat-specialize $(SOFTFLOAT_MACROS) ../softfloat.c
$(COMPILE_C) ../softfloat.c
softfloat$(OBJ): milieu.h softfloat.h softfloat-specialize $(SOFTFLOAT_MACROS) softfloat.c
$(COMPILE_C) softfloat.c
timesoftfloat$(OBJ): milieu.h softfloat.h ../timesoftfloat.c
$(COMPILE_ONLY) ../timesoftfloat.c
$(COMPILE_C) ../timesoftfloat.c
timesoftfloat$(OBJ): milieu.h softfloat.h timesoftfloat.c
$(COMPILE_ONLY) timesoftfloat.c
$(COMPILE_C) timesoftfloat.c
timesoftfloat$(EXE): softfloat$(OBJ) timesoftfloat$(OBJ)
$(LINK) softfloat$(OBJ) timesoftfloat$(OBJ)

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@ -26,7 +26,7 @@ code that are retained.
/*----------------------------------------------------------------------------
| Include common integer types and flags.
*----------------------------------------------------------------------------*/
#include "../../../processors/6502-CC65.h"
#include "6502-CC65.h"
/*----------------------------------------------------------------------------
| Symbolic Boolean literals.

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@ -1,68 +0,0 @@
/*----------------------------------------------------------------------------
| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
*----------------------------------------------------------------------------*/
#define LITTLEENDIAN
/*----------------------------------------------------------------------------
| The macro `BITS64' can be defined to indicate that 64-bit integer types are
| supported by the compiler.
*----------------------------------------------------------------------------*/
#define BITS64
/*----------------------------------------------------------------------------
| Each of the following `typedef's defines the most convenient type that holds
| integers of at least as many bits as specified. For example, `uint8' should
| be the most convenient type that can hold unsigned integers of as many as
| 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
| to the same as `int'.
*----------------------------------------------------------------------------*/
typedef char flag;
typedef unsigned char uint8;
typedef signed char int8;
typedef int uint16;
typedef int int16;
typedef unsigned int uint32;
typedef signed int int32;
#ifdef BITS64
typedef unsigned long long int uint64;
typedef signed long long int int64;
#endif
/*----------------------------------------------------------------------------
| Each of the following `typedef's defines a type that holds integers
| of _exactly_ the number of bits specified. For instance, for most
| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
| `unsigned short int' and `signed short int' (or `short int'), respectively.
*----------------------------------------------------------------------------*/
typedef unsigned char bits8;
typedef signed char sbits8;
typedef unsigned short int bits16;
typedef signed short int sbits16;
typedef unsigned int bits32;
typedef signed int sbits32;
#ifdef BITS64
typedef unsigned long long int bits64;
typedef signed long long int sbits64;
#endif
#ifdef BITS64
/*----------------------------------------------------------------------------
| The `LIT64' macro takes as its argument a textual integer literal and
| if necessary ``marks'' the literal as having a 64-bit integer type.
| For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
| appended with the letters `LL' standing for `long long', which is `gcc's
| name for the 64-bit integer type. Some compilers may allow `LIT64' to be
| defined as the identity macro: `#define LIT64( a ) a'.
*----------------------------------------------------------------------------*/
#define LIT64( a ) a##LL
#endif
/*----------------------------------------------------------------------------
| The macro `INLINE' can be used before functions that should be inlined. If
| a compiler does not support explicit inlining, this macro should be defined
| to be `static'.
*----------------------------------------------------------------------------*/
#define INLINE extern inline

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@ -1,24 +0,0 @@
PROCESSOR_H = ../../../processors/386-GCC.h
SOFTFLOAT_MACROS = ../softfloat-macros
OBJ = .o
EXE = .exe
INCLUDES = -I. -I..
COMPILE_C = gcc -c -o $@ $(INCLUDES) -I- -O2
LINK = gcc -o $@
ALL: softfloat$(OBJ) timesoftfloat$(EXE)
milieu.h: $(PROCESSOR_H)
touch milieu.h
softfloat$(OBJ): milieu.h softfloat.h softfloat-specialize $(SOFTFLOAT_MACROS) ../softfloat.c
$(COMPILE_C) ../softfloat.c
timesoftfloat$(OBJ): milieu.h softfloat.h ../timesoftfloat.c
$(COMPILE_C) ../timesoftfloat.c
timesoftfloat$(EXE): softfloat$(OBJ) timesoftfloat$(OBJ)
$(LINK) softfloat$(OBJ) timesoftfloat$(OBJ)

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@ -1,38 +0,0 @@
/*============================================================================
This C header file is part of the Berkeley SoftFloat IEEE Floating-Point
Arithmetic Package, Release 2c, by John R. Hauser.
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
AND ORGANIZATIONS WHO CAN AND WILL TOLERATE ALL LOSSES, COSTS, OR OTHER
PROBLEMS THEY INCUR DUE TO THE SOFTWARE WITHOUT RECOMPENSE FROM JOHN HAUSER OR
THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE, AND WHO FURTHERMORE EFFECTIVELY
INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE
(possibly via similar legal notice) AGAINST ALL LOSSES, COSTS, OR OTHER
PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE, OR
INCURRED BY ANYONE DUE TO A DERIVATIVE WORK THEY CREATE USING ANY PART OF THE
SOFTWARE.
Derivative works require also that (1) the source code for the derivative work
includes prominent notice that the work is derivative, and (2) the source code
includes prominent notice of these three paragraphs for those parts of this
code that are retained.
=============================================================================*/
/*----------------------------------------------------------------------------
| Include common integer types and flags.
*----------------------------------------------------------------------------*/
#include "../../../processors/386-GCC.h"
/*----------------------------------------------------------------------------
| Symbolic Boolean literals.
*----------------------------------------------------------------------------*/
enum {
FALSE = 0,
TRUE = 1
};

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@ -1,251 +0,0 @@
/*============================================================================
This C source fragment is part of the Berkeley SoftFloat IEEE Floating-Point
Arithmetic Package, Release 2c, by John R. Hauser.
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
AND ORGANIZATIONS WHO CAN AND WILL TOLERATE ALL LOSSES, COSTS, OR OTHER
PROBLEMS THEY INCUR DUE TO THE SOFTWARE WITHOUT RECOMPENSE FROM JOHN HAUSER OR
THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE, AND WHO FURTHERMORE EFFECTIVELY
INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE
(possibly via similar legal notice) AGAINST ALL LOSSES, COSTS, OR OTHER
PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE, OR
INCURRED BY ANYONE DUE TO A DERIVATIVE WORK THEY CREATE USING ANY PART OF THE
SOFTWARE.
Derivative works require also that (1) the source code for the derivative work
includes prominent notice that the work is derivative, and (2) the source code
includes prominent notice of these three paragraphs for those parts of this
code that are retained.
=============================================================================*/
/*----------------------------------------------------------------------------
| Underflow tininess-detection mode, statically initialized to default value.
| (The declaration in `softfloat.h' must match the `int8' type here.)
*----------------------------------------------------------------------------*/
int8 float_detect_tininess = float_tininess_after_rounding;
/*----------------------------------------------------------------------------
| Raises the exceptions specified by `flags'. Floating-point traps can be
| defined here if desired. It is currently not possible for such a trap
| to substitute a result value. If traps are not implemented, this routine
| should be simply `float_exception_flags |= flags;'.
*----------------------------------------------------------------------------*/
void float_raise( int8 flags )
{
float_exception_flags |= flags;
}
/*----------------------------------------------------------------------------
| Internal canonical NaN format.
*----------------------------------------------------------------------------*/
typedef struct {
flag sign;
bits32 high, low;
} commonNaNT;
/*----------------------------------------------------------------------------
| The pattern for a default generated single-precision NaN.
*----------------------------------------------------------------------------*/
enum {
float32_default_nan = 0xFFC00000
};
/*----------------------------------------------------------------------------
| Returns 1 if the single-precision floating-point value `a' is a NaN;
| otherwise returns 0.
*----------------------------------------------------------------------------*/
flag float32_is_nan( float32 a )
{
return ( 0xFF000000 < (bits32) ( a<<1 ) );
}
/*----------------------------------------------------------------------------
| Returns 1 if the single-precision floating-point value `a' is a signaling
| NaN; otherwise returns 0.
*----------------------------------------------------------------------------*/
flag float32_is_signaling_nan( float32 a )
{
return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
}
/*----------------------------------------------------------------------------
| Returns the result of converting the single-precision floating-point NaN
| `a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
static commonNaNT float32ToCommonNaN( float32 a )
{
commonNaNT z;
if ( float32_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
z.sign = a>>31;
z.low = 0;
z.high = a<<9;
return z;
}
/*----------------------------------------------------------------------------
| Returns the result of converting the canonical NaN `a' to the single-
| precision floating-point format.
*----------------------------------------------------------------------------*/
static float32 commonNaNToFloat32( commonNaNT a )
{
return ( ( (bits32) a.sign )<<31 ) | 0x7FC00000 | ( a.high>>9 );
}
/*----------------------------------------------------------------------------
| Takes two single-precision floating-point values `a' and `b', one of which
| is a NaN, and returns the appropriate NaN result. If either `a' or `b' is a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
static float32 propagateFloat32NaN( float32 a, float32 b )
{
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
aIsNaN = float32_is_nan( a );
aIsSignalingNaN = float32_is_signaling_nan( a );
bIsNaN = float32_is_nan( b );
bIsSignalingNaN = float32_is_signaling_nan( b );
a |= 0x00400000;
b |= 0x00400000;
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
if ( aIsSignalingNaN ) {
if ( bIsSignalingNaN ) goto returnLargerSignificand;
return bIsNaN ? b : a;
}
else if ( aIsNaN ) {
if ( bIsSignalingNaN | ! bIsNaN ) return a;
returnLargerSignificand:
if ( (bits32) ( a<<1 ) < (bits32) ( b<<1 ) ) return b;
if ( (bits32) ( b<<1 ) < (bits32) ( a<<1 ) ) return a;
return ( a < b ) ? a : b;
}
else {
return b;
}
}
/*----------------------------------------------------------------------------
| The pattern for a default generated double-precision NaN. The `high' and
| `low' values hold the most- and least-significant bits, respectively.
*----------------------------------------------------------------------------*/
enum {
float64_default_nan_high = 0xFFF80000,
float64_default_nan_low = 0x00000000
};
/*----------------------------------------------------------------------------
| Returns 1 if the double-precision floating-point value `a' is a NaN;
| otherwise returns 0.
*----------------------------------------------------------------------------*/
flag float64_is_nan( float64 a )
{
return
( 0xFFE00000 <= (bits32) ( a.high<<1 ) )
&& ( a.low || ( a.high & 0x000FFFFF ) );
}
/*----------------------------------------------------------------------------
| Returns 1 if the double-precision floating-point value `a' is a signaling
| NaN; otherwise returns 0.
*----------------------------------------------------------------------------*/
flag float64_is_signaling_nan( float64 a )
{
return
( ( ( a.high>>19 ) & 0xFFF ) == 0xFFE )
&& ( a.low || ( a.high & 0x0007FFFF ) );
}
/*----------------------------------------------------------------------------
| Returns the result of converting the double-precision floating-point NaN
| `a' to the canonical NaN format. If `a' is a signaling NaN, the invalid
| exception is raised.
*----------------------------------------------------------------------------*/
static commonNaNT float64ToCommonNaN( float64 a )
{
commonNaNT z;
if ( float64_is_signaling_nan( a ) ) float_raise( float_flag_invalid );
z.sign = a.high>>31;
shortShift64Left( a.high, a.low, 12, &z.high, &z.low );
return z;
}
/*----------------------------------------------------------------------------
| Returns the result of converting the canonical NaN `a' to the double-
| precision floating-point format.
*----------------------------------------------------------------------------*/
static float64 commonNaNToFloat64( commonNaNT a )
{
float64 z;
shift64Right( a.high, a.low, 12, &z.high, &z.low );
z.high |= ( ( (bits32) a.sign )<<31 ) | 0x7FF80000;
return z;
}
/*----------------------------------------------------------------------------
| Takes two double-precision floating-point values `a' and `b', one of which
| is a NaN, and returns the appropriate NaN result. If either `a' or `b' is a
| signaling NaN, the invalid exception is raised.
*----------------------------------------------------------------------------*/
static float64 propagateFloat64NaN( float64 a, float64 b )
{
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
aIsNaN = float64_is_nan( a );
aIsSignalingNaN = float64_is_signaling_nan( a );
bIsNaN = float64_is_nan( b );
bIsSignalingNaN = float64_is_signaling_nan( b );
a.high |= 0x00080000;
b.high |= 0x00080000;
if ( aIsSignalingNaN | bIsSignalingNaN ) float_raise( float_flag_invalid );
if ( aIsSignalingNaN ) {
if ( bIsSignalingNaN ) goto returnLargerSignificand;
return bIsNaN ? b : a;
}
else if ( aIsNaN ) {
if ( bIsSignalingNaN | ! bIsNaN ) return a;
returnLargerSignificand:
if ( lt64( a.high<<1, a.low, b.high<<1, b.low ) ) return b;
if ( lt64( b.high<<1, b.low, a.high<<1, a.low ) ) return a;
return ( a.high < b.high ) ? a : b;
}
else {
return b;
}
}

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@ -1,127 +0,0 @@
/*============================================================================
This C header file is part of the Berkeley SoftFloat IEEE Floating-Point
Arithmetic Package, Release 2c, by John R. Hauser.
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
AND ORGANIZATIONS WHO CAN AND WILL TOLERATE ALL LOSSES, COSTS, OR OTHER
PROBLEMS THEY INCUR DUE TO THE SOFTWARE WITHOUT RECOMPENSE FROM JOHN HAUSER OR
THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE, AND WHO FURTHERMORE EFFECTIVELY
INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE INSTITUTE
(possibly via similar legal notice) AGAINST ALL LOSSES, COSTS, OR OTHER
PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE, OR
INCURRED BY ANYONE DUE TO A DERIVATIVE WORK THEY CREATE USING ANY PART OF THE
SOFTWARE.
Derivative works require also that (1) the source code for the derivative work
includes prominent notice that the work is derivative, and (2) the source code
includes prominent notice of these three paragraphs for those parts of this
code that are retained.
=============================================================================*/
/*----------------------------------------------------------------------------
| Software IEEE floating-point types.
*----------------------------------------------------------------------------*/
typedef unsigned int float32;
typedef struct {
unsigned int low, high;
} float64;
/*----------------------------------------------------------------------------
| Software IEEE floating-point underflow tininess-detection mode.
*----------------------------------------------------------------------------*/
extern signed char float_detect_tininess;
enum {
float_tininess_after_rounding = 0,
float_tininess_before_rounding = 1
};
/*----------------------------------------------------------------------------
| Software IEEE floating-point rounding mode.
*----------------------------------------------------------------------------*/
extern signed char float_rounding_mode;
enum {
float_round_nearest_even = 0,
float_round_down = 1,
float_round_up = 2,
float_round_to_zero = 3
};
/*----------------------------------------------------------------------------
| Software IEEE floating-point exception flags.
*----------------------------------------------------------------------------*/
extern signed char float_exception_flags;
enum {
float_flag_invalid = 1,
float_flag_divbyzero = 4,
float_flag_overflow = 8,
float_flag_underflow = 16,
float_flag_inexact = 32
};
/*----------------------------------------------------------------------------
| Routine to raise any or all of the software IEEE floating-point exception
| flags.
*----------------------------------------------------------------------------*/
void float_raise( signed char );
/*----------------------------------------------------------------------------
| Software IEEE integer-to-floating-point conversion routines.
*----------------------------------------------------------------------------*/
float32 int32_to_float32( int );
float64 int32_to_float64( int );
/*----------------------------------------------------------------------------
| Software IEEE single-precision conversion routines.
*----------------------------------------------------------------------------*/
int float32_to_int32( float32 );
int float32_to_int32_round_to_zero( float32 );
float64 float32_to_float64( float32 );
/*----------------------------------------------------------------------------
| Software IEEE single-precision operations.
*----------------------------------------------------------------------------*/
float32 float32_round_to_int( float32 );
float32 float32_add( float32, float32 );
float32 float32_sub( float32, float32 );
float32 float32_mul( float32, float32 );
float32 float32_div( float32, float32 );
float32 float32_rem( float32, float32 );
float32 float32_sqrt( float32 );
char float32_eq( float32, float32 );
char float32_le( float32, float32 );
char float32_lt( float32, float32 );
char float32_eq_signaling( float32, float32 );
char float32_le_quiet( float32, float32 );
char float32_lt_quiet( float32, float32 );
char float32_is_signaling_nan( float32 );
/*----------------------------------------------------------------------------
| Software IEEE double-precision conversion routines.
*----------------------------------------------------------------------------*/
int float64_to_int32( float64 );
int float64_to_int32_round_to_zero( float64 );
float32 float64_to_float32( float64 );
/*----------------------------------------------------------------------------
| Software IEEE double-precision operations.
*----------------------------------------------------------------------------*/
float64 float64_round_to_int( float64 );
float64 float64_add( float64, float64 );
float64 float64_sub( float64, float64 );
float64 float64_mul( float64, float64 );
float64 float64_div( float64, float64 );
float64 float64_rem( float64, float64 );
float64 float64_sqrt( float64 );
char float64_eq( float64, float64 );
char float64_le( float64, float64 );
char float64_lt( float64, float64 );
char float64_eq_signaling( float64, float64 );
char float64_le_quiet( float64, float64 );
char float64_lt_quiet( float64, float64 );
char float64_is_signaling_nan( float64 );

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