PDP-8-E-Simulator/TSC8/TSC8iot.c

121 lines
2.4 KiB
C

/*
* PDP-8/E Simulator Source Code
*
* Copyright © 1994-2015 Bernhard Baehr
*
* TSC8iot.h - IOTs for the TSC8-75 plugin
*
* 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>
#define USE_PDP8_REGISTERS_DIRECTLY 1
#include "PluginFramework/PDP8.h"
#include "TSC8iot.h"
void i6360 (void) /* ETDS 6360 */
{
pdp8->IMASK &= ~pdp8->_tsc8.flag;
pdp8->IOFLAGS &= ~pdp8->_tsc8.flag;
EXECUTION_TIME (12);
}
void i6361 (void) /* ESKP 6361 */
{
if (pdp8->IOFLAGS & pdp8->_tsc8.flag)
pdp8->PC++;
EXECUTION_TIME (12);
}
unsigned s6361 (void) /* ESKP 6361 skip test */
{
return pdp8->IOFLAGS & pdp8->_tsc8.flag;
}
void i6362 (void) /* ECTF 6362 */
{
pdp8->IOFLAGS &= ~pdp8->_tsc8.flag;
EXECUTION_TIME (12);
}
void i6363 (void) /* ECDF 6363 */
{
pdp8->AC |= (pdp8->_tsc8.eriot >> 3) & 00007;
if (pdp8->_tsc8.ecdf)
pdp8->PC++;
pdp8->_tsc8.ecdf = 0;
EXECUTION_TIME (12);
}
unsigned s6363 (void) /* ECDF 6363 skip test */
{
return pdp8->_tsc8.ecdf;
}
void i6364 (void) /* ERTB 6364 */
{
pdp8->AC = (pdp8->AC & 010000) | pdp8->_tsc8.ertb;
EXECUTION_TIME (12);
}
void i6365 (void) /* ESME */
{
if (pdp8->_tsc8.esmeEnabled) {
if (pdp8->_tsc8.ecdf && ((pdp8->_tsc8.eriot & 070) >> 3) == (pdp8->SF & 07)) {
pdp8->PC++;
pdp8->_tsc8.ecdf = 0;
}
}
EXECUTION_TIME (12);
}
unsigned s6365 (void) /* ESME (skip test) */
{
unsigned ret = 0;
if (pdp8->_tsc8.esmeEnabled) {
if (pdp8->_tsc8.ecdf && ((pdp8->_tsc8.eriot & 070) >> 3) == (pdp8->SF & 07))
ret = 1;
}
return (ret);
}
void i6366 (void) /* ERIOT 6366 */
{
pdp8->AC = (pdp8->AC & 010000) | pdp8->_tsc8.eriot;
EXECUTION_TIME (12);
}
void i6367 (void) /* ETEN 6367 */
{
pdp8->IMASK |= pdp8->_tsc8.flag;
EXECUTION_TIME (12);
}