5d8deea63b
Fixes to various hard disk controllers; Added the Packard Bell PB640; Fixed the InPort mouse emulation - now it works correctly on Windows NT 3.1; Removed the status window and the associated variables; Completely removed the Green B 486 machine; Fixed the MDSI Genius; Fixed the single-sided 5.25" floppy drive; Ported a CPU-related commit from VARCem.
155 lines
4.1 KiB
C
155 lines
4.1 KiB
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#include "../86box.h"
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#include "../device.h"
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#include "../io.h"
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#include "../keyboard.h"
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#include "../mem.h"
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#include "../serial.h"
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#include "../floppy/fdd.h"
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#include "../floppy/fdc.h"
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#include "../video/vid_paradise.h"
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#include "machine.h"
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static uint16_t wd76c10_0092;
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static uint16_t wd76c10_2072;
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static uint16_t wd76c10_2872;
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static uint16_t wd76c10_5872;
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static fdc_t *wd76c10_fdc;
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static uint16_t
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wd76c10_read(uint16_t port, void *priv)
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{
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switch (port)
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{
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case 0x0092:
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return wd76c10_0092;
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case 0x2072:
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return wd76c10_2072;
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case 0x2872:
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return wd76c10_2872;
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case 0x5872:
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return wd76c10_5872;
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}
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return 0;
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}
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static void
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wd76c10_write(uint16_t port, uint16_t val, void *priv)
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{
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switch (port)
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{
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case 0x0092:
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wd76c10_0092 = val;
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mem_a20_alt = val & 2;
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mem_a20_recalc();
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break;
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case 0x2072:
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wd76c10_2072 = val;
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serial_remove(1);
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if (!(val & 0x10))
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{
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switch ((val >> 5) & 7)
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{
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case 1: serial_setup(1, 0x3f8, 4); break;
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case 2: serial_setup(1, 0x2f8, 4); break;
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case 3: serial_setup(1, 0x3e8, 4); break;
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case 4: serial_setup(1, 0x2e8, 4); break;
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default: serial_remove(1); break;
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}
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}
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serial_remove(2);
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if (!(val & 0x01))
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{
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switch ((val >> 1) & 7)
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{
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case 1: serial_setup(2, 0x3f8, 3); break;
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case 2: serial_setup(2, 0x2f8, 3); break;
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case 3: serial_setup(2, 0x3e8, 3); break;
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case 4: serial_setup(2, 0x2e8, 3); break;
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default: serial_remove(1); break;
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}
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}
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break;
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case 0x2872:
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wd76c10_2872 = val;
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fdc_remove(wd76c10_fdc);
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if (!(val & 1))
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fdc_set_base(wd76c10_fdc, 0x03f0);
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break;
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case 0x5872:
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wd76c10_5872 = val;
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break;
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}
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}
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static uint8_t
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wd76c10_readb(uint16_t port, void *priv)
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{
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if (port & 1)
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return wd76c10_read(port & ~1, priv) >> 8;
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return wd76c10_read(port, priv) & 0xff;
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}
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static void
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wd76c10_writeb(uint16_t port, uint8_t val, void *priv)
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{
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uint16_t temp = wd76c10_read(port, priv);
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if (port & 1)
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wd76c10_write(port & ~1, (temp & 0x00ff) | (val << 8), priv);
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else
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wd76c10_write(port , (temp & 0xff00) | val, priv);
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}
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static void wd76c10_init(void)
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{
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io_sethandler(0x0092, 2,
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wd76c10_readb, wd76c10_read, NULL,
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wd76c10_writeb, wd76c10_write, NULL, NULL);
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io_sethandler(0x2072, 2,
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wd76c10_readb, wd76c10_read, NULL,
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wd76c10_writeb, wd76c10_write, NULL, NULL);
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io_sethandler(0x2872, 2,
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wd76c10_readb, wd76c10_read, NULL,
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wd76c10_writeb, wd76c10_write, NULL, NULL);
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io_sethandler(0x5872, 2,
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wd76c10_readb, wd76c10_read, NULL,
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wd76c10_writeb, wd76c10_write, NULL, NULL);
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}
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void
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machine_at_wd76c10_init(const machine_t *model)
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{
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machine_at_common_ide_init(model);
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device_add(&keyboard_ps2_quadtel_device);
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wd76c10_fdc = device_add(&fdc_at_device);
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wd76c10_init();
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device_add(¶dise_wd90c11_megapc_device);
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}
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