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86Box/src/include/86box/fdc.h

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/*
* 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.
*
* Implementation of the NEC uPD-765 and compatible floppy disk
* controller.
*
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*
*
* Authors: Sarah Walker, <tommowalker@tommowalker.co.uk>
* Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
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* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2020 Miran Grca.
* Copyright 2018-2020 Fred N. van Kempen.
*/
#ifndef EMU_FDC_H
# define EMU_FDC_H
extern int fdc_type;
#define FDC_FLAG_PCJR 0x01 /* PCjr */
#define FDC_FLAG_DISKCHG_ACTLOW 0x02 /* Amstrad, PS/1, PS/2 ISA */
#define FDC_FLAG_AT 0x04 /* AT+, PS/x */
#define FDC_FLAG_PS1 0x08 /* PS/1, PS/2 ISA */
#define FDC_FLAG_SUPERIO 0x10 /* Super I/O chips */
#define FDC_FLAG_START_RWC_1 0x20 /* W83877F, W83977F */
#define FDC_FLAG_MORE_TRACKS 0x40 /* W83877F, W83977F, PC87306, PC87309 */
#define FDC_FLAG_NSC 0x80 /* PC87306, PC87309 */
#define FDC_FLAG_TOSHIBA 0x100 /* T1000, T1200 */
Added the IBM 5161 ISA expansion for PC and XT; Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port; Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX); Finished the 586MC1; Added 8087 emulation; Moved Cyrix 6x86'es to the Dev branch; Sanitized/cleaned up memregs.c/h and intel.c/h; Split the chipsets from machines and sanitized Port 92 emulation; Added support for the 15bpp mode to the Compaq ATI 28800; Moved the MR 386DX and 486 machines to the Dev branch; Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00; Ported the new timer code from PCem; Cleaned up the CPU table of unused stuff and better optimized its structure; Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch; Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem; Added the AHA-1540A and the BusTek BT-542B; Moved the Sumo SCSI-AT to the Dev branch; Minor IDE, FDC, and floppy drive code clean-ups; Made NCR 5380/53C400-based cards' BIOS address configurable; Got rid of the legacy romset variable; Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit; Added the Amstead PPC512 per PCem patch by John Elliott; Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages); Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing; Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem; Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit; Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement; Amstrad MegaPC does now works correctly with non-internal graphics card; The SLiRP code no longer casts a packed struct type to a non-packed struct type; The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present; The S3 Virge on BeOS is no longer broken (was broken by build #1591); OS/2 2.0 build 6.167 now sees key presses again; Xi8088 now work on CGA again; 86F images converted from either the old or new variants of the HxC MFM format now work correctly; Hardware interrupts with a vector of 0xFF are now handled correctly; OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct; Fixed VNC keyboard input bugs; Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver; Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly; Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4; Compaq Portable now works with all graphics cards; Fixed various MDSI Genius bugs; Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly; Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355; OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400. Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391. Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389. Fixed a minor IDE timing bug, fixes #388. Fixed Toshiba T1000 RAM issues, fixes #379. Fixed EGA/(S)VGA overscan border handling, fixes #378; Got rid of the now long useless IDE channel 2 auto-removal, fixes #370; Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366; Ported the Unicode CD image file name fix from VARCem, fixes #365; Fixed high density floppy disks on the Xi8088, fixes #359; Fixed some bugs in the Hercules emulation, fixes #346, fixes #358; Fixed the SCSI hard disk mode sense pages, fixes #356; Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349; Fixed bugs in the serial mouse emulation, fixes #344; Compiled 86Box binaries now include all the required .DLL's, fixes #341; Made some combo boxes in the Settings dialog slightly wider, fixes #276.
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#define FDC_FLAG_AMSTRAD 0x200 /* Non-AT Amstrad machines */
#define FDC_FLAG_NSDP 0x400 /* DP8473N, DP8473V */
typedef struct {
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uint8_t dor, stat, command, processed_cmd, dat, st0, swap, dtl;
uint8_t swwp, disable_write, st5, st6, error;
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uint8_t params[8], res[11];
uint8_t specify[2];
uint8_t config, pretrk;
uint8_t fifobuf[16];
uint16_t base_address;
int head, sector, drive, lastdrive;
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int pcn[4], eot[4];
int rw_track, pos;
int pnum, ptot;
int rate, reset_stat;
int lock, perp;
int format_state, format_n;
int step, seek_dir;
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int tc, noprec;
int data_ready, inread;
int bitcell_period, enh_mode;
int rwc[4], drvrate[4];
int boot_drive, dma;
int densel_polarity, densel_force;
int fifo, tfifo;
int fifobufpos, drv2en;
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int gap;
int enable_3f1, format_sectors;
int max_track, mfm;
int deleted, wrong_am;
int sc, satisfying_sectors;
int fintr, rw_drive;
int flags, interrupt;
int irq; /* Should be 6 by default. */
int dma_ch; /* Should be 2 by default. */
int bit_rate; /* Should be 250 at start. */
int paramstogo;
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sector_id_t read_track_sector, format_sector_id;
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uint64_t watchdog_count;
pc_timer_t timer, watchdog_timer;
} fdc_t;
extern void fdc_remove(fdc_t *fdc);
extern void fdc_poll(fdc_t *fdc);
extern void fdc_abort(fdc_t *fdc);
extern void fdc_set_dskchg_activelow(fdc_t *fdc);
extern void fdc_3f1_enable(fdc_t *fdc, int enable);
extern int fdc_get_bit_rate(fdc_t *fdc);
extern int fdc_get_bitcell_period(fdc_t *fdc);
/* A few functions to communicate between Super I/O chips and the FDC. */
extern void fdc_update_enh_mode(fdc_t *fdc, int enh_mode);
extern int fdc_get_rwc(fdc_t *fdc, int drive);
extern void fdc_update_rwc(fdc_t *fdc, int drive, int rwc);
extern int fdc_get_boot_drive(fdc_t *fdc);
extern void fdc_update_boot_drive(fdc_t *fdc, int boot_drive);
extern void fdc_update_densel_polarity(fdc_t *fdc, int densel_polarity);
extern uint8_t fdc_get_densel_polarity(fdc_t *fdc);
extern void fdc_update_densel_force(fdc_t *fdc, int densel_force);
extern void fdc_update_drvrate(fdc_t *fdc, int drive, int drvrate);
extern void fdc_update_drv2en(fdc_t *fdc, int drv2en);
extern void fdc_noidam(fdc_t *fdc);
extern void fdc_nosector(fdc_t *fdc);
extern void fdc_nodataam(fdc_t *fdc);
extern void fdc_cannotformat(fdc_t *fdc);
extern void fdc_wrongcylinder(fdc_t *fdc);
extern void fdc_badcylinder(fdc_t *fdc);
extern void fdc_writeprotect(fdc_t *fdc);
extern void fdc_datacrcerror(fdc_t *fdc);
extern void fdc_headercrcerror(fdc_t *fdc);
extern void fdc_nosector(fdc_t *fdc);
extern int real_drive(fdc_t *fdc, int drive);
extern sector_id_t fdc_get_read_track_sector(fdc_t *fdc);
extern int fdc_get_compare_condition(fdc_t *fdc);
extern int fdc_is_deleted(fdc_t *fdc);
extern int fdc_is_sk(fdc_t *fdc);
extern void fdc_set_wrong_am(fdc_t *fdc);
extern int fdc_get_drive(fdc_t *fdc);
extern int fdc_get_perp(fdc_t *fdc);
extern int fdc_get_format_n(fdc_t *fdc);
extern int fdc_is_mfm(fdc_t *fdc);
extern double fdc_get_hut(fdc_t *fdc);
extern double fdc_get_hlt(fdc_t *fdc);
extern void fdc_request_next_sector_id(fdc_t *fdc);
extern void fdc_stop_id_request(fdc_t *fdc);
extern int fdc_get_gap(fdc_t *fdc);
extern int fdc_get_gap2(fdc_t *fdc, int drive);
extern int fdc_get_dtl(fdc_t *fdc);
extern int fdc_get_format_sectors(fdc_t *fdc);
extern uint8_t fdc_get_swwp(fdc_t *fdc);
extern void fdc_set_swwp(fdc_t *fdc, uint8_t swwp);
extern uint8_t fdc_get_diswr(fdc_t *fdc);
extern void fdc_set_diswr(fdc_t *fdc, uint8_t diswr);
extern uint8_t fdc_get_swap(fdc_t *fdc);
extern void fdc_set_swap(fdc_t *fdc, uint8_t swap);
extern void fdc_finishcompare(fdc_t *fdc, int satisfying);
extern void fdc_finishread(fdc_t *fdc);
extern void fdc_sector_finishcompare(fdc_t *fdc, int satisfying);
extern void fdc_sector_finishread(fdc_t *fdc);
extern void fdc_track_finishread(fdc_t *fdc, int condition);
extern int fdc_is_verify(fdc_t *fdc);
extern void fdc_overrun(fdc_t *fdc);
extern void fdc_set_base(fdc_t *fdc, int base);
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extern void fdc_set_irq(fdc_t *fdc, int irq);
extern void fdc_set_dma_ch(fdc_t *fdc, int dma_ch);
extern int fdc_getdata(fdc_t *fdc, int last);
extern int fdc_data(fdc_t *fdc, uint8_t data);
extern void fdc_sectorid(fdc_t *fdc, uint8_t track, uint8_t side,
uint8_t sector, uint8_t size, uint8_t crc1,
uint8_t crc2);
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extern uint8_t fdc_read(uint16_t addr, void *priv);
extern void fdc_reset(void *priv);
Added the IBM 5161 ISA expansion for PC and XT; Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port; Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX); Finished the 586MC1; Added 8087 emulation; Moved Cyrix 6x86'es to the Dev branch; Sanitized/cleaned up memregs.c/h and intel.c/h; Split the chipsets from machines and sanitized Port 92 emulation; Added support for the 15bpp mode to the Compaq ATI 28800; Moved the MR 386DX and 486 machines to the Dev branch; Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00; Ported the new timer code from PCem; Cleaned up the CPU table of unused stuff and better optimized its structure; Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch; Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem; Added the AHA-1540A and the BusTek BT-542B; Moved the Sumo SCSI-AT to the Dev branch; Minor IDE, FDC, and floppy drive code clean-ups; Made NCR 5380/53C400-based cards' BIOS address configurable; Got rid of the legacy romset variable; Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit; Added the Amstead PPC512 per PCem patch by John Elliott; Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages); Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing; Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem; Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit; Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement; Amstrad MegaPC does now works correctly with non-internal graphics card; The SLiRP code no longer casts a packed struct type to a non-packed struct type; The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present; The S3 Virge on BeOS is no longer broken (was broken by build #1591); OS/2 2.0 build 6.167 now sees key presses again; Xi8088 now work on CGA again; 86F images converted from either the old or new variants of the HxC MFM format now work correctly; Hardware interrupts with a vector of 0xFF are now handled correctly; OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct; Fixed VNC keyboard input bugs; Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver; Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly; Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4; Compaq Portable now works with all graphics cards; Fixed various MDSI Genius bugs; Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly; Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355; OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400. Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391. Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389. Fixed a minor IDE timing bug, fixes #388. Fixed Toshiba T1000 RAM issues, fixes #379. Fixed EGA/(S)VGA overscan border handling, fixes #378; Got rid of the now long useless IDE channel 2 auto-removal, fixes #370; Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366; Ported the Unicode CD image file name fix from VARCem, fixes #365; Fixed high density floppy disks on the Xi8088, fixes #359; Fixed some bugs in the Hercules emulation, fixes #346, fixes #358; Fixed the SCSI hard disk mode sense pages, fixes #356; Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349; Fixed bugs in the serial mouse emulation, fixes #344; Compiled 86Box binaries now include all the required .DLL's, fixes #341; Made some combo boxes in the Settings dialog slightly wider, fixes #276.
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extern uint8_t fdc_get_current_drive(void);
#ifdef EMU_DEVICE_H
extern const device_t fdc_xt_device;
extern const device_t fdc_xt_t1x00_device;
Added the IBM 5161 ISA expansion for PC and XT; Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port; Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX); Finished the 586MC1; Added 8087 emulation; Moved Cyrix 6x86'es to the Dev branch; Sanitized/cleaned up memregs.c/h and intel.c/h; Split the chipsets from machines and sanitized Port 92 emulation; Added support for the 15bpp mode to the Compaq ATI 28800; Moved the MR 386DX and 486 machines to the Dev branch; Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00; Ported the new timer code from PCem; Cleaned up the CPU table of unused stuff and better optimized its structure; Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch; Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem; Added the AHA-1540A and the BusTek BT-542B; Moved the Sumo SCSI-AT to the Dev branch; Minor IDE, FDC, and floppy drive code clean-ups; Made NCR 5380/53C400-based cards' BIOS address configurable; Got rid of the legacy romset variable; Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit; Added the Amstead PPC512 per PCem patch by John Elliott; Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages); Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing; Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem; Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit; Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement; Amstrad MegaPC does now works correctly with non-internal graphics card; The SLiRP code no longer casts a packed struct type to a non-packed struct type; The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present; The S3 Virge on BeOS is no longer broken (was broken by build #1591); OS/2 2.0 build 6.167 now sees key presses again; Xi8088 now work on CGA again; 86F images converted from either the old or new variants of the HxC MFM format now work correctly; Hardware interrupts with a vector of 0xFF are now handled correctly; OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct; Fixed VNC keyboard input bugs; Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver; Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly; Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4; Compaq Portable now works with all graphics cards; Fixed various MDSI Genius bugs; Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly; Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355; OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400. Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391. Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389. Fixed a minor IDE timing bug, fixes #388. Fixed Toshiba T1000 RAM issues, fixes #379. Fixed EGA/(S)VGA overscan border handling, fixes #378; Got rid of the now long useless IDE channel 2 auto-removal, fixes #370; Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366; Ported the Unicode CD image file name fix from VARCem, fixes #365; Fixed high density floppy disks on the Xi8088, fixes #359; Fixed some bugs in the Hercules emulation, fixes #346, fixes #358; Fixed the SCSI hard disk mode sense pages, fixes #356; Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349; Fixed bugs in the serial mouse emulation, fixes #344; Compiled 86Box binaries now include all the required .DLL's, fixes #341; Made some combo boxes in the Settings dialog slightly wider, fixes #276.
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extern const device_t fdc_xt_amstrad_device;
extern const device_t fdc_pcjr_device;
extern const device_t fdc_at_device;
extern const device_t fdc_at_actlow_device;
extern const device_t fdc_at_ps1_device;
extern const device_t fdc_at_smc_device;
extern const device_t fdc_at_winbond_device;
extern const device_t fdc_at_nsc_device;
extern const device_t fdc_dp8473_device;
#endif
#endif /*EMU_FDC_H*/