PDP-8-E-Simulator/Panels/BootstrapPanelController.m

122 lines
3.2 KiB
Objective-C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* BootstrapPanelController.h - Controller for the bootstrap panel
*
* This file is part of PDP-8/E Simulator.
*
* PDP-8/E Simulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Cocoa/Cocoa.h>
#import "BootstrapPanelController.h"
#import "PDP8.h"
@implementation BootstrapPanelController
#define LOW_SPEED_RIM_TAG 0
#define HIGH_SPEED_RIM_TAG 1
#define BIN_LOADER_TAG 2
#define RK8E_BOOTCODE_TAG 3
#define LOW_SPEED_RIM_TAPE @"lowspeedRIM.bin"
#define HIGH_SPEED_RIM_TAPE @"highspeedRIM.bin"
#define BIN_LOADER_TAPE @"binLoader.rim"
#define RK8E_BOOTCODE_TAPE @"rk8eBootcode.bin"
- (void) awakeFromNib
{
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(notifyMemorySizeChanged:)
name:KM8E_MOUNT_NOTIFICATION object:nil];
}
- (BOOL) validateMenuItem:(NSMenuItem *)menuItem // only the Load Bootstrap Loader menu item
{
return ! [pdp8 isGoing];
}
- (void) notifyMemorySizeChanged:(NSNotification *)notification
{
[ifStepper setMaxValue:([pdp8 memorySize] >> 12) - 1];
[[ifStepper target] performSelector:[ifStepper action] withObject:ifStepper];
}
- (IBAction) loadBootstrapLoader:(id)sender
{
unsigned addr, field;
NSString *error, *path, *file;
NSBundle *mainBundle = [NSBundle mainBundle];
switch ([[loaderRadioButtons selectedCell] tag]) {
case LOW_SPEED_RIM_TAG :
path = [mainBundle pathForResource:LOW_SPEED_RIM_TAPE ofType:nil];
file = LOW_SPEED_RIM_TAPE;
field = [ifStepper intValue];
addr = 07756;
break;
case HIGH_SPEED_RIM_TAG :
path = [mainBundle pathForResource:HIGH_SPEED_RIM_TAPE ofType:nil];
file = HIGH_SPEED_RIM_TAPE;
field = [ifStepper intValue];
addr = 07756;
break;
case BIN_LOADER_TAG :
path = [mainBundle pathForResource:BIN_LOADER_TAPE ofType:nil];
file = BIN_LOADER_TAPE;
field = [ifStepper intValue];
addr = 07777;
break;
case RK8E_BOOTCODE_TAG :
path = [mainBundle pathForResource:RK8E_BOOTCODE_TAPE ofType:nil];
file = RK8E_BOOTCODE_TAPE;
field = 0;
addr = 00027;
break;
default : /* to avoid compiler "used uninitialized" warning */
path = file = nil;
field = addr = 0;
break;
}
error = [pdp8 loadPaperTape:path toField:field];
if (error) {
if (! path)
path = [NSString stringWithFormat:NSLocalizedString(
@"The resource file %@ is missing in the application bundle.", @""), file];
NSAlert *alert = [[NSAlert alloc] init];
[alert setAlertStyle:NSWarningAlertStyle];
[alert setMessageText:error];
[alert setInformativeText:path];
[alert runModal];
[alert release];
} else if ([adjustPCCheckbox intValue]) {
[pdp8 setPC:addr];
[pdp8 setIF:field];
[pdp8 setIB:field];
}
}
@end