From d49887486c772592c0e8ecc158c1cc3efb3f7709 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Sat, 27 Feb 2021 12:08:23 -0500 Subject: Initial commit 0.13.9.16 --- src/fake86/i8259.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 src/fake86/i8259.h (limited to 'src/fake86/i8259.h') diff --git a/src/fake86/i8259.h b/src/fake86/i8259.h new file mode 100755 index 0000000..4056184 --- /dev/null +++ b/src/fake86/i8259.h @@ -0,0 +1,31 @@ +/* + Fake86: A portable, open-source 8086 PC emulator. + Copyright (C)2010-2012 Mike Chambers + + This program 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 2 + 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, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +*/ + +struct structpic { + uint8_t imr; //mask register + uint8_t irr; //request register + uint8_t isr; //service register + uint8_t icwstep; //used during initialization to keep track of which ICW we're at + uint8_t icw[5]; + uint8_t intoffset; //interrupt vector offset + uint8_t priority; //which IRQ has highest priority + uint8_t autoeoi; //automatic EOI mode + uint8_t readmode; //remember what to return on read register from OCW3 + uint8_t enabled; +}; -- cgit