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PIT rewrite.

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This commit is contained in:
OBattler
2019-12-02 07:05:12 +01:00
parent 573246a353
commit a838e8548f
25 changed files with 887 additions and 635 deletions
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4
src/keyboard_at.c
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@@ -8,7 +8,7 @@
*
* Intel 8042 (AT keyboard controller) emulation.
*
* Version: @(#)keyboard_at.c 1.0.44 2019/10/30
* Version: @(#)keyboard_at.c 1.0.45 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -2013,7 +2013,7 @@ do_command:
speaker_enable = val & 2;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(&pit, 2, val & 1);
pit_ctr_set_gate(&pit->counters[2], val & 1);
if ((dev->flags & KBC_VEN_MASK) == KBC_VEN_XI8088)
#ifdef USE_NEW_STUFF

4
src/keyboard_xt.c
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@@ -8,7 +8,7 @@
*
* Implementation of the XT-style keyboard.
*
* Version: @(#)keyboard_xt.c 1.0.18 2019/11/14
* Version: @(#)keyboard_xt.c 1.0.19 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -500,7 +500,7 @@ kbd_write(uint16_t port, uint8_t val, void *priv)
}
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(&pit, 2, val & 1);
pit_ctr_set_gate(&pit->counters[2], val & 1);
if (val & 0x80) {
kbd->pa = 0;

1
src/lpt.c
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@@ -30,7 +30,6 @@ static const struct
{"Stereo LPT DAC", "lpt_dac_stereo", &lpt_dac_stereo_device},
{"Generic Text Printer", "text_prt", &lpt_prt_text_device},
{"Generic ESC/P Dot-Matrix", "dot_matrix", &lpt_prt_escp_device},
{"Generic PostScript Printer", "postscript", &lpt_prt_ps_device},
{"", "", NULL}
};

4
src/machine/m_amstrad.c
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@@ -29,7 +29,7 @@
* All models: The internal mouse controller does not work correctly with
* version 7.04 of the mouse driver.
*
* Version: @(#)m_amstrad.c 1.0.20 2019/03/09
* Version: @(#)m_amstrad.c 1.0.21 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -2153,7 +2153,7 @@ kbd_write(uint16_t port, uint8_t val, void *priv)
speaker_enable = val & 0x02;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(&pit, 2, val & 0x01);
pit_ctr_set_gate(&pit->counters[2], val & 0x01);
if (val & 0x80) {
/* Keyboard enabled, so enable PA reading. */

10
src/machine/m_at.c
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@@ -8,15 +8,15 @@
*
* Standard PC/AT implementation.
*
* Version: @(#)m_at.c 1.0.10 2018/10/06
* Version: @(#)m_at.c 1.0.11 2019/11/15
*
* 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
@@ -63,7 +63,7 @@ machine_at_common_init_ex(const machine_t *model, int is_ibm)
{
machine_common_init(model);
pit_set_out_func(&pit, 1, pit_refresh_timer_at);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_at);
pic2_init();
dma16_init();

4
src/machine/m_europc.c
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@@ -68,7 +68,7 @@
*
* WARNING THIS IS A WORK-IN-PROGRESS MODULE. USE AT OWN RISK.
*
* Version: @(#)europc.c 1.0.11 2019/09/27
* Version: @(#)europc.c 1.0.12 2019/11/15
*
* Author: Fred N. van Kempen, <decwiz@yahoo.com>
*
@@ -717,7 +717,7 @@ machine_europc_init(const machine_t *model)
return ret;
machine_common_init(model);
pit_set_out_func(&pit, 1, pit_refresh_timer_xt);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
nmi_init();

4
src/machine/m_olivetti_m24.c
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@@ -8,7 +8,7 @@
*
* Emulation of the Olivetti M24.
*
* Version: @(#)m_olivetti_m24.c 1.0.20 2018/10/08
* Version: @(#)m_olivetti_m24.c 1.0.21 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -658,7 +658,7 @@ kbd_write(uint16_t port, uint8_t val, void *priv)
speaker_enable = val & 2;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(&pit, 2, val & 1);
pit_ctr_set_gate(&pit->counters[2], val & 1);
break;
}
}

9
src/machine/m_pcjr.c
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@@ -8,7 +8,7 @@
*
* Emulation of the IBM PCjr.
*
* Version: @(#)m_pcjr.c 1.0.13 2019/10/11
* Version: @(#)m_pcjr.c 1.0.14 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -621,7 +621,7 @@ kbd_write(uint16_t port, uint8_t val, void *priv)
speaker_enable = val & 2;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(&pit, 2, val & 1);
pit_ctr_set_gate(&pit->counters[2], val & 1);
sn76489_mute = speaker_mute = 1;
switch (val & 0x60) {
case 0x00:
@@ -636,7 +636,7 @@ kbd_write(uint16_t port, uint8_t val, void *priv)
case 0xa0:
nmi_mask = val & 0x80;
pit_set_using_timer(&pit, 1, !(val & 0x20));
pit_ctr_set_using_timer(&pit->counters[1], !(val & 0x20));
break;
}
}
@@ -821,8 +821,7 @@ machine_pcjr_init(const machine_t *model)
pcjr->composite = (display_type != PCJR_RGB);
pic_init_pcjr();
pit_init();
pit_set_out_func(&pit, 0, pit_irq0_timer_pcjr);
pit_common_init(0, pit_irq0_timer_pcjr, NULL);
cpu_set();

4
src/machine/m_ps1.c
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@@ -22,7 +22,7 @@
* The reserved 384K is remapped to the top of extended memory.
* If this is not done then you get an error on startup.
*
* Version: @(#)m_ps1.c 1.0.16 2019/11/01
* Version: @(#)m_ps1.c 1.0.17 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -515,7 +515,7 @@ ps1_common_init(const machine_t *model)
mem_remap_top(384);
pit_set_out_func(&pit, 1, pit_refresh_timer_at);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_at);
dma16_init();
pic2_init();

15
src/machine/m_ps2_isa.c
View File

@@ -58,7 +58,7 @@ static uint8_t ps2_read(uint16_t port, void *p)
case 0x190:
return ps2_190;
#ifdef FIXME
#ifdef FIXME
case 0x322:
temp = ps2_hd.status;
break;
@@ -67,7 +67,7 @@ static uint8_t ps2_read(uint16_t port, void *p)
ps2_hd.int_status &= ~0x02;
break;
#endif
default:
temp = 0xff;
break;
@@ -118,8 +118,8 @@ static void ps2_write(uint16_t port, uint8_t val, void *p)
case 0x190:
ps2_190 = val;
break;
#ifdef FIXME
#ifdef FIXME
case 0x322:
ps2_hd.ctrl = val;
if (val & 0x80)
@@ -146,7 +146,7 @@ static void ps2board_init(void)
io_sethandler(0x0322, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0324, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
#endif
device_add(&port_92_device);
ps2_190 = 0;
@@ -173,9 +173,12 @@ machine_ps2_m30_286_init(const machine_t *model)
return ret;
machine_common_init(model);
mem_remap_top(384);
device_add(&fdc_at_ps1_device);
pit_set_out_func(&pit, 1, pit_refresh_timer_at);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_at);
dma16_init();
device_add(&keyboard_ps2_ps2_device);
device_add(&ps_nvr_device);

22
src/machine/m_xt.c
View File

@@ -22,7 +22,7 @@ machine_xt_common_init(const machine_t *model)
{
machine_common_init(model);
pit_set_out_func(&pit, 1, pit_refresh_timer_xt);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
device_add(&fdc_xt_device);
nmi_init();
@@ -52,10 +52,10 @@ machine_pc_init(const machine_t *model)
if (bios_only || !ret)
return ret;
machine_xt_common_init(model);
device_add(&keyboard_pc_device);
machine_xt_common_init(model);
return ret;
}
@@ -85,11 +85,11 @@ machine_pc82_init(const machine_t *model)
if (bios_only || !ret)
return ret;
machine_xt_common_init(model);
device_add(&keyboard_pc82_device);
device_add(&ibm_5161_device);
machine_xt_common_init(model);
return ret;
}
@@ -97,9 +97,9 @@ machine_pc82_init(const machine_t *model)
static void
machine_xt_init_ex(const machine_t *model)
{
machine_xt_common_init(model);
device_add(&keyboard_xt_device);
machine_xt_common_init(model);
}
@@ -166,11 +166,11 @@ machine_xt86_init(const machine_t *model)
if (bios_only || !ret)
return ret;
machine_xt_common_init(model);
device_add(&keyboard_xt86_device);
device_add(&ibm_5161_device);
machine_xt_common_init(model);
return ret;
}
@@ -178,9 +178,9 @@ machine_xt86_init(const machine_t *model)
static void
machine_xt_clone_init(const machine_t *model)
{
machine_xt_common_init(model);
device_add(&keyboard_xt86_device);
machine_xt_common_init(model);
}

8
src/machine/m_xt_compaq.c
View File

@@ -8,14 +8,14 @@
*
* Emulation of various Compaq XT-class PC's.
*
* Version: @(#)m_xt_compaq.c 1.0.4 2018/03/18
* Version: @(#)m_xt_compaq.c 1.0.5 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
* TheCollector1995, <mariogplayer@gmail.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2019 Miran Grca.
*/
#include <stdio.h>
#include <stdint.h>
@@ -50,7 +50,7 @@ machine_xt_compaq_init(const machine_t *model)
machine_common_init(model);
pit_set_out_func(&pit, 1, pit_refresh_timer_xt);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
device_add(&keyboard_xt_compaq_device);
device_add(&fdc_xt_device);

2
src/machine/m_xt_laserxt.c
View File

@@ -166,7 +166,7 @@ machine_xt_lxt3_init(const machine_t *model)
machine_common_init(model);
pit_set_out_func(&pit, 1, pit_refresh_timer_xt);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
device_add(&keyboard_xt_lxt3_device);
device_add(&fdc_xt_device);

12
src/machine/m_xt_t1000.c
View File

@@ -51,15 +51,15 @@
* NOTE: Still need to figure out a way to load/save ConfigSys and
* HardRAM stuff. Needs to be linked in to the NVR code.
*
* Version: @(#)m_xt_t1000.c 1.0.13 2018/10/22
* Version: @(#)m_xt_t1000.c 1.0.14 2019/11/15
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2018 Fred N. van Kempen.
* Copyright 2018 Miran Grca.
* Copyright 2018 Sarah Walker.
* Copyright 2018,2019 Fred N. van Kempen.
* Copyright 2018,2019 Miran Grca.
* Copyright 2018,2019 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
@@ -917,7 +917,7 @@ machine_xt_t1000_init(const machine_t *model)
read_ctl,NULL,NULL, write_ctl,NULL,NULL, &t1000);
machine_common_init(model);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
device_add(&keyboard_xt_device);
t1000.fdc = device_add(&fdc_xt_device);
@@ -985,7 +985,7 @@ machine_xt_t1200_init(const machine_t *model)
read_t1200_nvram, NULL, NULL,
write_t1200_nvram, NULL, NULL,
NULL, 0, &t1000);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
device_add(&keyboard_xt_device);
t1000.fdc = device_add(&fdc_xt_t1x00_device);

8
src/machine/m_xt_zenith.c
View File

@@ -9,14 +9,14 @@
* Emulation of various Zenith PC compatible machines.
* Currently only the Zenith Data Systems Supersport is emulated.
*
* Version: @(#)m_xt_compaq.c 1.0.0 2019/01/13
* Version: @(#)m_xt_compaq.c 1.0.1 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
* TheCollector1995, <mariogplayer@gmail.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2019 Miran Grca.
*/
#include <stdarg.h>
#include <stdint.h>
@@ -124,7 +124,7 @@ machine_xt_zenith_init(const machine_t *model)
device_add(&i8250_device);
serial_set_next_inst(2); /* So that serial_standalone_init() won't do anything. */
device_add(&zenith_scratchpad_device);
pit_set_out_func(&pit, 1, pit_refresh_timer_xt);
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
device_add(&keyboard_xt_compaq_device);
nmi_init();

4
src/machine/machine.c
View File

@@ -8,7 +8,7 @@
*
* Handling of the emulated machines.
*
* Version: @(#)machine.c 1.0.37 2018/11/12
* Version: @(#)machine.c 1.0.38 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -128,5 +128,5 @@ machine_common_init(const machine_t *model)
cpu_set();
pit_init();
pit_common_init(!!AT, pit_irq0_timer, NULL);
}

10
src/pc.c
View File

@@ -8,15 +8,15 @@
*
* Main emulator module where most things are controlled.
*
* Version: @(#)pc.c 1.0.91 2018/11/14
* Version: @(#)pc.c 1.0.92 2018/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2016-2018 Miran Grca.
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2019 Miran Grca.
* Copyright 2017-2019 Fred N. van Kempen.
*/
#include <inttypes.h>
#include <stdarg.h>
@@ -49,10 +49,10 @@
#include "pci.h"
#include "pic.h"
#include "timer.h"
#include "device.h"
#include "pit.h"
#include "random.h"
#include "timer.h"
#include "device.h"
#include "nvr.h"
#include "machine/machine.h"
#include "bugger.h"

6
src/pic.c
View File

@@ -498,6 +498,8 @@ pic_process_interrupt(PIC* target_pic, int c)
if ((pending & pic_int_num) && !in_service) {
if (!((pic_current & (1 << c)) && picint_is_level(c)))
target_pic->pend &= ~pic_int_num;
else if (!picint_is_level(c))
target_pic->pend &= ~pic_int_num;
target_pic->ins |= pic_int_num;
pic_update_mask(&target_pic->mask2, target_pic->ins);
@@ -513,8 +515,8 @@ pic_process_interrupt(PIC* target_pic, int c)
if (target_pic->icw4 & 0x02)
(AT && (c >= 8)) ? pic2_autoeoi() : pic_autoeoi();
if (!c)
pit_set_gate(&pit2, 0, 0);
if (!c && (pit2 != NULL))
pit_ctr_set_gate(&pit2->counters[0], 0);
ret = pic_int + target_pic->vector;
}

1191
src/pit.c
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File diff suppressed because it is too large Load Diff

104
src/pit.h
View File

@@ -1,47 +1,53 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Header of the implementation of the Intel 8253/8254
* Programmable Interval Timer.
*
* Version: @(#)pit.h 1.0.0 2019/12/02
*
* Author: Miran Grca, <mgrca8@gmail.com>
* Copyright 2019 Miran Grca.
*/
#ifndef EMU_PIT_H
# define EMU_PIT_H
typedef struct {
int nr;
struct PIT *pit;
} PIT_nr;
uint8_t m, ctrl,
read_status, latch,
s1_det, l_det;
uint16_t rl;
int rm, wm, gate, out,
newcount, count, using_timer, latched,
state, null_count, do_read_status, pad1;
uint32_t l;
void (*load_func)(uint8_t new_m, int new_count);
void (*out_func)(int new_out, int old_out);
} ctr_t;
typedef struct PIT {
uint32_t l[3];
pc_timer_t timer[3];
uint8_t m[3];
uint8_t ctrl,
ctrls[3];
int wp,
rm[3],
wm[3];
uint16_t rl[3];
int thit[3];
int delay[3];
int rereadlatch[3];
int gate[3];
int out[3];
int running[3];
int enabled[3];
int newcount[3];
int count[3];
int using_timer[3];
int initial[3];
int latched[3];
int disabled[3];
int flags, clock;
pc_timer_t callback_timer;
uint8_t read_status[3];
int do_read_status[3];
ctr_t counters[3];
PIT_nr pit_nr[3];
void (*set_out_funcs[3])(int new_out, int old_out);
} PIT;
uint8_t ctrl;
} pit_t;
extern PIT pit,
pit2;
extern pit_t *pit,
*pit2;
extern double SYSCLK;
@@ -54,19 +60,37 @@ extern uint64_t PITCONST, ISACONST,
RTCCONST;
extern void pit_init(void);
extern void pit_ps2_init(void);
extern void pit_reset(PIT *pit);
extern void pit_set_gate(PIT *pit, int channel, int gate);
extern void pit_set_using_timer(PIT *pit, int t, int using_timer);
extern void pit_set_out_func(PIT *pit, int t, void (*func)(int new_out, int old_out));
extern uint16_t pit_ctr_get_count(ctr_t *ctr);
extern void pit_ctr_set_load_func(ctr_t *ctr, void (*func)(uint8_t new_m, int new_count));
extern void pit_ctr_set_out_func(ctr_t *ctr, void (*func)(int new_out, int old_out));
extern void pit_ctr_set_gate(ctr_t *ctr, int gate);
extern void pit_ctr_set_using_timer(ctr_t *ctr, int using_timer);
extern float pit_timer0_freq(void);
extern pit_t * pit_common_init(int type, void (*out0)(int new_out, int old_out), void (*out1)(int new_out, int old_out));
extern pit_t * pit_ps2_init(void);
extern void pit_reset(pit_t *dev);
extern void pit_irq0_timer(int new_out, int old_out);
extern void pit_irq0_timer_pcjr(int new_out, int old_out);
extern void pit_irq0_timer_ps2(int new_out, int old_out);
extern void pit_refresh_timer_xt(int new_out, int old_out);
extern void pit_refresh_timer_at(int new_out, int old_out);
extern void pit_speaker_timer(int new_out, int old_out);
extern void pit_nmi_timer_ps2(int new_out, int old_out);
extern void pit_set_clock(int clock);
extern void pit_handler(int set, uint16_t base, int size, void *priv);
#ifdef EMU_DEVICE_H
extern const device_t i8253_device;
extern const device_t i8254_device;
extern const device_t i8254_ext_io_device;
extern const device_t i8254_ps2_device;
#endif
#endif /*EMU_PIT_H*/

3
src/printer/prt_devs.h
View File

@@ -1,3 +1,2 @@
extern const lpt_device_t lpt_prt_text_device;
extern const lpt_device_t lpt_prt_escp_device;
extern const lpt_device_t lpt_prt_ps_device;
extern const lpt_device_t lpt_prt_escp_device;

59
src/sound/snd_speaker.c
View File

@@ -8,7 +8,7 @@
*
* Emulation of the PC speaker.
*
* Version: @(#)snd_speaker.c 1.0.0 2019/11/11
* Version: @(#)snd_speaker.c 1.0.1 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -30,47 +30,56 @@
int speaker_mute = 0, speaker_gated = 0;
int speaker_enable = 0, was_speaker_enable = 0;
int gated,speakval,speakon;
int gated, speakval, speakon;
static int32_t speaker_buffer[SOUNDBUFLEN];
static int speaker_pos = 0;
static uint8_t speaker_mode = 0;
static double speaker_count = 65535.0;
void
speaker_set_count(uint8_t new_m, int new_count)
{
speaker_mode = new_m;
speaker_count = (double) new_count;
}
void
speaker_update(void)
{
int32_t val;
double timer2_count, amplitude;
double amplitude;
timer2_count = pit.l[2] ? ((double) pit.l[2]) : 65536.0;
amplitude = ((timer2_count / 64.0) * 10240.0) - 5120.0;
amplitude = ((speaker_count / 64.0) * 10240.0) - 5120.0;
if (amplitude > 5120.0)
amplitude = 5120.0;
if (speaker_pos >= sound_pos_global)
return;
if (speaker_pos < sound_pos_global) {
for (; speaker_pos < sound_pos_global; speaker_pos++) {
if (speaker_gated && was_speaker_enable) {
if ((speaker_mode == 0) || (speaker_mode == 4))
val = (int32_t) amplitude;
else if (speaker_count < 64.0)
val = 0xa00;
else
val = speakon ? 0x1400 : 0;
} else {
if (speaker_mode == 1)
val = was_speaker_enable ? (int32_t) amplitude : 0;
else
val = was_speaker_enable ? 0x1400 : 0;
}
for (; speaker_pos < sound_pos_global; speaker_pos++) {
if (speaker_gated && was_speaker_enable) {
if ((pit.m[2] == 0) || (pit.m[2] == 4))
val = (int32_t) amplitude;
else if (pit.l[2] < 0x40)
val = 0xa00;
else
val = speakon ? 0x1400 : 0;
} else {
if (pit.m[2] == 1)
val = was_speaker_enable ? (int32_t) amplitude : 0;
else
val = was_speaker_enable ? 0x1400 : 0;
}
if (!speaker_enable)
was_speaker_enable = 0;
if (!speaker_enable)
was_speaker_enable = 0;
speaker_buffer[speaker_pos] = val;
speaker_buffer[speaker_pos] = val;
}
}
}

30
src/sound/snd_speaker.h
View File

@@ -1,8 +1,28 @@
void speaker_init();
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Header of the emulation of the PC speaker.
*
* Version: @(#)snd_speaker.h 1.0.0 2019/11/15
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2019 Miran Grca.
*/
extern int speaker_mute;
extern int speaker_mute;
extern int speaker_gated;
extern int speaker_enable, was_speaker_enable;
extern int speaker_gated;
extern int speaker_enable, was_speaker_enable;
void speaker_update();
extern void speaker_init();
extern void speaker_set_count(uint8_t new_m, int new_count);
extern void speaker_update(void);

2
src/win/Makefile.mingw
View File

@@ -610,7 +610,7 @@ NETOBJ := network.o \
net_wd8003.o
PRINTOBJ := png.o prt_cpmap.o \
prt_escp.o prt_text.o prt_ps.o
prt_escp.o prt_text.o
SNDOBJ := sound.o \
openal.o \

2
src/win/Makefile_ndr.mingw
View File

@@ -616,7 +616,7 @@ NETOBJ := network.o \
net_wd8003.o
PRINTOBJ := png.o prt_cpmap.o \
prt_escp.o prt_text.o prt_ps.o
prt_escp.o prt_text.o
SNDOBJ := sound.o \
openal.o \