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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2021-02-27 12:08:23 -0500 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2021-02-27 12:08:23 -0500 |
| commit | d49887486c772592c0e8ecc158c1cc3efb3f7709 (patch) | |
| tree | ea5af335e7cee87f07de50082dd6ff66f3231353 /src/fake86/i8253.h | |
| download | fake86-d49887486c772592c0e8ecc158c1cc3efb3f7709.tar.gz | |
Initial commit 0.13.9.16
Diffstat (limited to 'src/fake86/i8253.h')
| -rwxr-xr-x | src/fake86/i8253.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/fake86/i8253.h b/src/fake86/i8253.h new file mode 100755 index 0000000..de28ccd --- /dev/null +++ b/src/fake86/i8253.h @@ -0,0 +1,33 @@ +/* + 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. +*/ + +#define PIT_MODE_LATCHCOUNT 0 +#define PIT_MODE_LOBYTE 1 +#define PIT_MODE_HIBYTE 2 +#define PIT_MODE_TOGGLE 3 + +struct i8253_s { + uint16_t chandata[3]; + uint8_t accessmode[3]; + uint8_t bytetoggle[3]; + uint32_t effectivedata[3]; + float chanfreq[3]; + uint8_t active[3]; + uint16_t counter[3]; +}; |
