Subversion Repositories s80186

// 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 .

.at 0xc9;

    ra_sel BP, jmp leavec9;

.auto_address;

leavec9:

    a_sel RA, alu_op SELA, rd_sel SP, rd_sel_source MICROCODE_RD_SEL,

        mar_write, mar_wr_sel Q, segment SS, segment_force;

    segment SS, segment_force, mem_read;

    a_sel MDR, alu_op SELA, rd_sel BP, rd_sel_source MICROCODE_RD_SEL;

    a_sel MAR, b_sel IMMEDIATE, immediate 0x2, alu_op ADD,

        rd_sel_source MICROCODE_RD_SEL, rd_sel SP,

        next_instruction;