Whitespace cleanups, formatting, license headers
This commit is contained in:
@@ -1,3 +1,19 @@
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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Mitsumi CD-ROM emulation for the ISA bus.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Cacodemon345
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*
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* Copyright 2022-2025 Miran Grca.
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* Copyright 2025 Cacodemon345.
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*/
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#include <inttypes.h>
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#include <stdarg.h>
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#include <stdint.h>
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@@ -30,7 +46,6 @@ CR-562-B is classified as Family1 in this driver, so uses the CMD1_ prefix.
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#define CDROM_STATUS_DOUBLE_SPEED 0x02
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#define CDROM_STATUS_READY 0x01
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// Status returned from device
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#define STAT_READY 0x01
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#define STAT_PLAY 0x08
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@@ -38,7 +53,6 @@ CR-562-B is classified as Family1 in this driver, so uses the CMD1_ prefix.
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#define STAT_DISK 0x40
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#define STAT_TRAY 0x80 // Seems Correct
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#define CMD1_PAUSERESUME 0x0D
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#define CMD1_RESET 0x0a
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#define CMD1_LOCK_CTL 0x0c
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@@ -80,12 +94,14 @@ typedef struct mke_t {
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uint8_t media_selected; // temporary hack
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Fifo8 data_fifo, info_fifo;
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Fifo8 data_fifo;
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Fifo8 info_fifo;
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Fifo8 errors_fifo;
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cdrom_t *cdrom_dev;
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uint32_t sector_type, sector_flags;
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uint32_t sector_type;
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uint32_t sector_flags;
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uint32_t unit_attention;
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@@ -95,14 +111,24 @@ mke_t mke;
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#define mke_log(x, ...)
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#define CHECK_READY() { if (mke.cdrom_dev->cd_status == CD_STATUS_EMPTY) { fifo8_push(&mke.errors_fifo, 0x03); return; } }
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#define CHECK_READY() \
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{ \
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if (mke.cdrom_dev->cd_status == CD_STATUS_EMPTY) { \
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fifo8_push(&mke.errors_fifo, 0x03); \
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return; \
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} \
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}
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static uint8_t temp_buf[65536];
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void mke_get_subq(cdrom_t *dev,uint8_t *b) {
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//dev->ops->get_subchannel(dev, dev->seek_pos, &subc);
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//cdrom_get_current_subchannel(dev, &subc);
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//cdrom_get_current_subcodeq(dev, b);
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void
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mke_get_subq(cdrom_t *dev, uint8_t *b)
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{
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#if 0
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dev->ops->get_subchannel(dev, dev->seek_pos, &subc);
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cdrom_get_current_subchannel(dev, &subc);
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cdrom_get_current_subcodeq(dev, b);
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#endif
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cdrom_get_current_subcodeq(dev, temp_buf);
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b[0] = 0x80; //?
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b[1] = ((temp_buf[0] & 0xf) << 4) | ((temp_buf[0] & 0xf0) >> 4);
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@@ -117,7 +143,9 @@ void mke_get_subq(cdrom_t *dev,uint8_t *b) {
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b[10] = 0; //??
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}
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uint8_t mke_read_toc(cdrom_t *dev, unsigned char *b, uint8_t track) {
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uint8_t
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mke_read_toc(cdrom_t *dev, unsigned char *b, uint8_t track)
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{
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track_info_t ti;
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int first_track;
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int last_track;
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@@ -125,7 +153,8 @@ uint8_t mke_read_toc(cdrom_t *dev, unsigned char *b, uint8_t track) {
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cdrom_read_toc(dev, temp_buf, CD_TOC_NORMAL, 0, 0, 65536);
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first_track = temp_buf[2];
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last_track = temp_buf[3];
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if(track > last_track) return 0; //should we allow +1 here?
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if (track > last_track)
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return 0; // should we allow +1 here?
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dev->ops->get_track_info(dev, track, 0, &ti);
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b[0] = 0x0;
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b[1] = ti.attr;
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@@ -136,9 +165,11 @@ uint8_t mke_read_toc(cdrom_t *dev, unsigned char *b, uint8_t track) {
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b[6] = ti.f;
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b[7] = 0;
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return 1;
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}
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uint8_t mke_disc_info(cdrom_t *dev, unsigned char *b) {
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uint8_t
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mke_disc_info(cdrom_t *dev, unsigned char *b)
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{
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track_info_t ti;
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int first_track;
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int last_track;
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@@ -153,10 +184,11 @@ uint8_t mke_disc_info(cdrom_t *dev, unsigned char *b) {
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b[4] = ti.s;
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b[5] = ti.f;
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return 1;
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}
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uint8_t mke_disc_capacity(cdrom_t *dev, unsigned char *b) {
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uint8_t
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mke_disc_capacity(cdrom_t *dev, unsigned char *b)
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{
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track_info_t ti;
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int first_track;
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int last_track;
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@@ -171,16 +203,20 @@ uint8_t mke_disc_capacity(cdrom_t *dev, unsigned char *b) {
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b[3] = 0x08;
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b[4] = 0x00;
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return 1;
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}
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uint8_t mke_cdrom_status(cdrom_t *dev, mke_t* mke) {
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uint8_t
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mke_cdrom_status(cdrom_t *dev, mke_t *mke)
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{
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uint8_t status = 0;
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status |= 2; // this bit seems to always be set?
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// bit 4 never set?
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if (dev->cd_status == CD_STATUS_PLAYING) status |= STAT_PLAY;
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if (dev->cd_status == CD_STATUS_PAUSED) status |= STAT_PLAY;
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if (fifo8_num_used(&mke->errors_fifo)) status |= 0x10;
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if (dev->cd_status == CD_STATUS_PLAYING)
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status |= STAT_PLAY;
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if (dev->cd_status == CD_STATUS_PAUSED)
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status |= STAT_PLAY;
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if (fifo8_num_used(&mke->errors_fifo))
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status |= 0x10;
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status |= 0x20; // always set?
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status |= STAT_TRAY;
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if (mke->cdrom_dev->cd_status != CD_STATUS_EMPTY) {
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@@ -192,7 +228,10 @@ uint8_t mke_cdrom_status(cdrom_t *dev, mke_t* mke) {
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}
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uint8_t ver[10] = "CR-5630.75";
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void MKE_COMMAND(uint8_t value) {
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void
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mke_command(uint8_t value)
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{
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uint16_t i, len;
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uint8_t x[12]; // this is wasteful handling of buffers for compatibility, but will optimize later.
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subchannel_t subc;
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@@ -216,20 +255,23 @@ void MKE_COMMAND(uint8_t value) {
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if (!mke.command_buffer_pending && mke.command_buffer[0]) {
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mke.command_buffer_pending = 7;
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switch (mke.command_buffer[0]) {
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case 06: {
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case 06:
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{
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fifo8_reset(&mke.info_fifo);
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cdrom_stop(mke.cdrom_dev);
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cdrom_eject(mke.cdrom_dev->id);
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fifo8_push(&mke.info_fifo, mke_cdrom_status(mke.cdrom_dev, &mke));
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break;
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}
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case 07: {
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case 07:
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{
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fifo8_reset(&mke.info_fifo);
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cdrom_reload(mke.cdrom_dev->id);
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fifo8_push(&mke.info_fifo, mke_cdrom_status(mke.cdrom_dev, &mke));
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break;
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}
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case CMD1_READ: {
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case CMD1_READ:
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{
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// cdrom_readsector_raw(mke.cdrom_dev, )
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uint32_t count = mke.command_buffer[6];
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uint8_t *buf = mke.cdbuffer;
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@@ -260,11 +302,11 @@ void MKE_COMMAND(uint8_t value) {
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fifo8_reset(&mke.info_fifo);
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// fifo8_push_all(&cdrom.info_fifo, x, 11);
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fifo8_push_all(&mke.info_fifo, x, 11);
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/*
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#if 0
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for (i=0; i < 11; i++) {
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cdrom_fifo_write(&cdrom.info_fifo,x[i]);
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}
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*/
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#endif
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fifo8_push(&mke.info_fifo, mke_cdrom_status(mke.cdrom_dev, &mke));
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break;
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case CMD1_SETMODE: // Returns 1
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@@ -300,34 +342,34 @@ void MKE_COMMAND(uint8_t value) {
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CHECK_READY();
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mke_disc_info(mke.cdrom_dev, (uint8_t *) &x);
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fifo8_push_all(&mke.info_fifo, x, 6);
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/*
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#if 0
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for (i=0; i<6; i++) {
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mke_log("%02x ",x[i]);
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cdrom_fifo_write(&cdrom.info_fifo,x[i]);
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}
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mke_log("\n");
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*/
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#endif
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fifo8_push(&mke.info_fifo, mke_cdrom_status(mke.cdrom_dev, &mke));
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break;
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case CMD1_READTOC:
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CHECK_READY();
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fifo8_reset(&mke.info_fifo);
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/*
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#if 0
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mke_log("READ TOC:");
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for (i=0; i<6; i++) {
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mke_log("%02x ",mke.command_buffer[i+1]);
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}
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mke_log(" | ");
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*/
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#endif
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mke_read_toc(mke.cdrom_dev, (uint8_t *) &x, mke.command_buffer[2]);
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fifo8_push_all(&mke.info_fifo, x, 8);
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/*
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#if 0
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for (i=0; i<8; i++) {
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mke_log("%02x ",x[i]);
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cdrom_fifo_write(&cdrom.info_fifo,x[i]);
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}
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*/
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/* mke_log("\n"); */
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mke_log("\n");
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#endif
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fifo8_push(&mke.info_fifo, mke_cdrom_status(mke.cdrom_dev, &mke));
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break;
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case CMD1_PLAY_MSF:
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@@ -338,14 +380,16 @@ void MKE_COMMAND(uint8_t value) {
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mke_log("%02x ", mke.command_buffer[i + 1]);
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}
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mke_log("\n");
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//cdrom_audio_playmsf(&cdrom,
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// mke.command_buffer[1],
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// mke.command_buffer[2],
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// mke.command_buffer[3],
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// mke.command_buffer[4],
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// mke.command_buffer[5],
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// mke.command_buffer[6]
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//);
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#if 0
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cdrom_audio_playmsf(&cdrom,
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mke.command_buffer[1],
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mke.command_buffer[2],
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mke.command_buffer[3],
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mke.command_buffer[4],
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mke.command_buffer[5],
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mke.command_buffer[6]
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);
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#endif
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{
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int msf = 1;
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int pos = (mke.command_buffer[1] << 16) | (mke.command_buffer[2] << 8) | mke.command_buffer[3];
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@@ -424,8 +468,9 @@ void MKE_COMMAND(uint8_t value) {
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}
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}
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void MKE_WRITE(uint16_t address, uint8_t value, void* priv) {
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void
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mke_write(uint16_t address, uint8_t value, void *priv)
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{
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pclog("MKEWRITE: 0x%X, 0x%02X\n", address & 0xf, value);
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if (mke.enable_register && ((address & 0xF) != 3)) {
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// mke_log("Ignore Write Unit %u\n",mke.enable_register);
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@@ -434,7 +479,7 @@ void MKE_WRITE(uint16_t address, uint8_t value, void* priv) {
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// mke_log("MKE WRITE: %02x => %03x\n",value,address);
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switch (address & 0xF) {
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case 0:
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MKE_COMMAND(value);
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mke_command(value);
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break;
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case 1:
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mke.data_select = value;
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@@ -448,7 +493,9 @@ void MKE_WRITE(uint16_t address, uint8_t value, void* priv) {
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}
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}
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uint8_t MKE_READ(uint16_t address, void* priv) {
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uint8_t
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mke_read(uint16_t address, void *priv)
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{
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uint8_t x;
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if (mke.enable_register) {
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// pclog("Ignore Read Unit %u\n",mke.enable_register);
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@@ -475,9 +522,12 @@ uint8_t MKE_READ(uint16_t address, void* priv) {
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*/
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x = 0xFF;
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// if(cdrom.media_changed) x ^= 1;
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if(fifo8_num_used(&mke.data_fifo)) x ^= 2;//DATA FIFO
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if(fifo8_num_used(&mke.info_fifo)) x ^= 4;//STATUS FIFO
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if(fifo8_num_used(&mke.errors_fifo)) x ^=8;
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if (fifo8_num_used(&mke.data_fifo))
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x ^= 2; // DATA FIFO
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if (fifo8_num_used(&mke.info_fifo))
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x ^= 4; // STATUS FIFO
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if (fifo8_num_used(&mke.errors_fifo))
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x ^= 8;
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return x;
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break;
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case 2: // Data
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@@ -493,7 +543,8 @@ uint8_t MKE_READ(uint16_t address, void* priv) {
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return 0xff;
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}
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void mke_close(void* priv)
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void
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mke_close(void *priv)
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{
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fifo8_destroy(&mke.info_fifo);
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fifo8_destroy(&mke.data_fifo);
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@@ -520,7 +571,8 @@ mke_cdrom_insert(void *priv)
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}
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}
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void* mke_init(const device_t* info)
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void *
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mke_init(const device_t *info)
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{
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cdrom_t *dev;
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memset(&mke, 0, sizeof(mke_t));
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@@ -551,7 +603,7 @@ void* mke_init(const device_t* info)
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dev->cached_sector = -1;
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dev->sector_size = 2048;
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io_sethandler(0x250, 16, MKE_READ, NULL, NULL, MKE_WRITE, NULL, NULL, &mke);
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io_sethandler(0x250, 16, mke_read, NULL, NULL, mke_write, NULL, NULL, &mke);
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return &mke;
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}
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@@ -1,6 +1,23 @@
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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Panasonic/MKE CD-ROM emulation for the ISA bus.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Cacodemon345
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||||
*
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||||
* Copyright 2022-2025 Miran Grca.
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* Copyright 2025 Cacodemon345.
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*/
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#ifndef CDROM_MKE_H
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#define CDROM_MKE_H
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extern const device_t mke_cdrom_device;
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#endif /*CDROM_MITSUMI_H*/
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#endif /*CDROM_MKE_H*/
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@@ -62,7 +62,8 @@ private:
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uint64_t scsi_tracking[32] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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bool mitsumi_tracking, mke_tracking;
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bool mitsumi_tracking;
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bool mke_tracking;
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};
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#endif // QT_SETTINGS_BUS_TRACKING_HPP
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