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Fixed memory states set by some machines (including IBM PS/1's and MCA PS/2's).

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This commit is contained in:
OBattler
2019-11-01 14:23:52 +01:00
parent f632885c47
commit ccd0df5cff
4 changed files with 15 additions and 15 deletions
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14
src/machine/m_ps2_mca.c
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@@ -8,15 +8,15 @@
*
* Implementation of MCA-based PS/2 machines.
*
* Version: @(#)m_ps2_mca.c 1.0.5 2018/11/12
* Version: @(#)m_ps2_mca.c 1.0.6 2019/11/01
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2016-2019 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
*
* 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
@@ -490,14 +490,14 @@ static void model_55sx_write(uint16_t port, uint8_t val)
}
else
{
mem_set_mem_state(0xe0000, 0x20000, MEM_READ_EXTERNAL | MEM_WRITE_INTERNAL);
mem_set_mem_state(0xe0000, 0x20000, MEM_READ_EXTANY | MEM_WRITE_INTERNAL);
mem_mapping_enable(&ps2.shadow_mapping);
}
if ((ps2.option[1] & 1) && !(ps2.option[3] & 0x20))
mem_set_mem_state(mem_size * 1024, 256 * 1024, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
else
mem_set_mem_state(mem_size * 1024, 256 * 1024, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
mem_set_mem_state(mem_size * 1024, 256 * 1024, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
break;
case 0x106:
ps2.subaddr_lo = val;
@@ -972,7 +972,7 @@ static void mem_encoding_update()
ps2.split_addr = ((uint32_t) (ps2.mem_regs[0] & 0xf)) << 20;
if (ps2.mem_regs[1] & 2) {
mem_set_mem_state(0xe0000, 0x20000, MEM_READ_EXTERNAL | MEM_WRITE_INTERNAL);
mem_set_mem_state(0xe0000, 0x20000, MEM_READ_EXTANY | MEM_WRITE_INTERNAL);
ps2_mca_log("PS/2 Model 80-111: ROM space enabled\n");
} else {
mem_set_mem_state(0xe0000, 0x20000, MEM_READ_INTERNAL | MEM_WRITE_DISABLED);