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https://opencores.org/ocsvn/s80186/s80186/trunk
Subversion Repositories s80186
[/] [s80186/] [trunk/] [rtl/] [microcode/] [prefixes.us] - Rev 2
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// Copyright Jamie Iles, 2017
//
// This file is part of s80x86.
//
// s80x86 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.
//
// s80x86 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 s80x86. If not, see <http://www.gnu.org/licenses/>.
// ES segment override
.at 0x26;
segment ES, prefix_type SEGMENT_OVERRIDE, jmp_opcode;
// CS segment override
.at 0x2e;
segment CS, prefix_type SEGMENT_OVERRIDE, jmp_opcode;
// SS segment override
.at 0x36;
segment SS, prefix_type SEGMENT_OVERRIDE, jmp_opcode;
// DS segment override
.at 0x3e;
segment DS, prefix_type SEGMENT_OVERRIDE, jmp_opcode;
// REPNE prefix
.at 0xf2;
prefix_type REPNE, jmp_opcode;
// REPE prefix
.at 0xf3;
prefix_type REPE, jmp_opcode;
// LOCK prefix
.at 0xf0;
jmp_opcode;