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/*============================================================================

This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3e, by John R. Hauser.

Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
University of California.  All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
    this list of conditions, and the following disclaimer.

 2. Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions, and the following disclaimer in the documentation
    and/or other materials provided with the distribution.

 3. Neither the name of the University nor the names of its contributors may
    be used to endorse or promote products derived from this software without
    specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=============================================================================*/

#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "internals.h"
#include "specialize.h"
#include "softfloat.h"

uint_fast32_t
 softfloat_roundToUI32(
     bool sign, uint_fast64_t sig, uint_fast8_t roundingMode, bool exact )
{
    uint_fast16_t roundIncrement, roundBits;
    uint_fast32_t z;

    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    roundIncrement = 0x800;
    if ( 
        (roundingMode != softfloat_round_near_maxMag) 
            && (roundingMode != softfloat_round_near_even)
    ) {
        roundIncrement = 0;
        if ( sign ) {
            if ( !sig ) return 0;
            if ( roundingMode == softfloat_round_min ) goto invalid;
#ifdef SOFTFLOAT_ROUND_ODD
            if ( roundingMode == softfloat_round_odd ) goto invalid;
#endif
        } else {
            if ( roundingMode == softfloat_round_max ) roundIncrement = 0xFFF;
        }
    }
    roundBits = sig & 0xFFF;
    sig += roundIncrement;
    if ( sig & UINT64_C( 0xFFFFF00000000000 ) ) goto invalid;
    z = sig>>12;
    if ( 
        (roundBits == 0x800) && (roundingMode == softfloat_round_near_even)
    ) {
        z &= ~(uint_fast32_t) 1;
    }
    if ( sign && z ) goto invalid;
    if ( roundBits ) {
#ifdef SOFTFLOAT_ROUND_ODD
        if ( roundingMode == softfloat_round_odd ) z |= 1;
#endif
        if ( exact ) softfloat_exceptionFlags |= softfloat_flag_inexact;
    }
    return z;
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
 invalid:
    softfloat_raiseFlags( softfloat_flag_invalid );
    return sign ? ui32_fromNegOverflow : ui32_fromPosOverflow;

}
tArrowPosition:NSPopUpArrowAtBottom]; [subviewButton sizeToFit]; // adjust sizes to make it fit nicely expressionFrame = [expressionField frame]; expressionFrame.size.height = std::max(expressionFrame.size.height, [subviewButton frame].size.height); expressionFrame.size.width = (contentBounds.size.width - expressionFrame.size.height) / 2; [expressionField setFrame:expressionFrame]; expressionFrame.origin.x = expressionFrame.size.width; expressionFrame.size.width = contentBounds.size.width - expressionFrame.size.height - expressionFrame.origin.x; [subviewButton setFrame:expressionFrame]; // create a container for the expression field and subview popup expressionFrame = NSMakeRect(expressionFrame.size.height, contentBounds.size.height - expressionFrame.size.height, contentBounds.size.width - expressionFrame.size.height, expressionFrame.size.height); expressionContainer = [[NSView alloc] initWithFrame:expressionFrame]; [expressionContainer setAutoresizingMask:(NSViewWidthSizable | NSViewMinYMargin)]; [expressionContainer addSubview:expressionField]; [expressionField release]; [expressionContainer addSubview:subviewButton]; [subviewButton release]; [[window contentView] addSubview:expressionContainer]; [expressionContainer release]; // create the memory view memoryView = [[MAMEMemoryView alloc] initWithFrame:NSMakeRect(0, 0, 100, 100) machine:*machine]; [memoryView insertSubviewItemsInMenu:[subviewButton menu] atIndex:0]; memoryScroll = [[NSScrollView alloc] initWithFrame:NSMakeRect(0, 0, contentBounds.size.width, expressionFrame.origin.y)]; [memoryScroll setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)]; [memoryScroll setHasHorizontalScroller:YES]; [memoryScroll setHasVerticalScroller:YES]; [memoryScroll setAutohidesScrollers:YES]; [memoryScroll setBorderType:NSNoBorder]; [memoryScroll setDrawsBackground:NO]; [memoryScroll setDocumentView:memoryView]; [memoryView release]; [[window contentView] addSubview:memoryScroll]; [memoryScroll release]; // create the action popup actionButton = [[self class] newActionButtonWithFrame:NSMakeRect(0, expressionFrame.origin.y, expressionFrame.size.height, expressionFrame.size.height)]; [actionButton setAutoresizingMask:(NSViewMaxXMargin | NSViewMinYMargin)]; [actionButton setFont:[NSFont systemFontOfSize:[defaultFont pointSize]]]; [memoryView insertActionItemsInMenu:[actionButton menu] atIndex:1]; [[window contentView] addSubview:actionButton]; [actionButton release]; // set default state [memoryView selectSubviewForDevice:machine->debugger().console().get_visible_cpu()]; [memoryView setExpression:@"0"]; [expressionField setStringValue:@"0"]; [expressionField selectText:self]; [subviewButton selectItemAtIndex:[subviewButton indexOfItemWithTag:[memoryView selectedSubviewIndex]]]; [window makeFirstResponder:expressionField]; [window setTitle:[NSString stringWithFormat:@"Memory: %@", [memoryView selectedSubviewName]]]; // calculate the optimal size for everything NSSize const desired = [NSScrollView frameSizeForContentSize:[memoryView maximumFrameSize] hasHorizontalScroller:YES hasVerticalScroller:YES borderType:[memoryScroll borderType]]; [self cascadeWindowWithDesiredSize:desired forView:memoryScroll]; // don't forget the result return self; } - (void)dealloc { [super dealloc]; } - (id <MAMEDebugViewExpressionSupport>)documentView { return memoryView; } - (IBAction)debugNewMemoryWindow:(id)sender { debug_view_memory_source const *source = [memoryView source]; [console debugNewMemoryWindowForSpace:source->space() device:source->device() expression:[memoryView expression]]; } - (IBAction)debugNewDisassemblyWindow:(id)sender { debug_view_memory_source const *source = [memoryView source]; [console debugNewDisassemblyWindowForSpace:source->space() device:source->device() expression:[memoryView expression]]; } - (BOOL)selectSubviewForDevice:(device_t *)device { BOOL const result = [memoryView selectSubviewForDevice:device]; [subviewButton selectItemAtIndex:[subviewButton indexOfItemWithTag:[memoryView selectedSubviewIndex]]]; [window setTitle:[NSString stringWithFormat:@"Memory: %@", [memoryView selectedSubviewName]]]; return result; } - (BOOL)selectSubviewForSpace:(address_space *)space { BOOL const result = [memoryView selectSubviewForSpace:space]; [subviewButton selectItemAtIndex:[subviewButton indexOfItemWithTag:[memoryView selectedSubviewIndex]]]; [window setTitle:[NSString stringWithFormat:@"Memory: %@", [memoryView selectedSubviewName]]]; return result; } - (IBAction)changeSubview:(id)sender { [memoryView selectSubviewAtIndex:[[sender selectedItem] tag]]; [window setTitle:[NSString stringWithFormat:@"Memory: %@", [memoryView selectedSubviewName]]]; } - (void)saveConfigurationToNode:(util::xml::data_node *)node { [super saveConfigurationToNode:node]; node->set_attribute_int("type", MAME_DEBUGGER_WINDOW_TYPE_MEMORY_VIEWER); node->set_attribute_int("memoryregion", [memoryView selectedSubviewIndex]); [memoryView saveConfigurationToNode:node]; } - (void)restoreConfigurationFromNode:(util::xml::data_node const *)node { [super restoreConfigurationFromNode:node]; int const region = node->get_attribute_int("memoryregion", [memoryView selectedSubviewIndex]); [memoryView selectSubviewAtIndex:region]; [window setTitle:[NSString stringWithFormat:@"Memory: %@", [memoryView selectedSubviewName]]]; [subviewButton selectItemAtIndex:[subviewButton indexOfItemWithTag:[memoryView selectedSubviewIndex]]]; [memoryView restoreConfigurationFromNode:node]; } @end