added/updated headers

src/include/86box/86box.h

@@ -137,6 +137,7 @@ extern int      sound_is_float;             /* (C) sound uses FP values */
 extern int      voodoo_enabled;             /* (C) video option */
 extern int      ibm8514_standalone_enabled; /* (C) video option */
 extern int      xga_standalone_enabled;     /* (C) video option */
+extern int      da2_standalone_enabled;     /* (C) video option */
 extern uint32_t mem_size;                   /* (C) memory size (Installed on system board) */
 extern uint32_t isa_mem_size;               /* (C) memory size (ISA Memory Cards) */
 extern int      cpu;                        /* (C) cpu type */

src/include/86box/fdc.h

@@ -52,6 +52,7 @@
 #define FDC_FLAG_ALI            0x800   /* ALi M512x / M1543C */
 #define FDC_FLAG_NO_DSR_RESET   0x1000  /* Has no DSR reset */
 #define FDC_FLAG_NEC            0x2000  /* Is NEC upd765-compatible */
+#define FDC_FLAG_PS55           0x4000  /* PS/55 */
 #define FDC_FLAG_SEC            0x10000 /* Is Secondary */
 #define FDC_FLAG_TER            0x20000 /* Is Tertiary */
 #define FDC_FLAG_QUA            0x40000 /* Is Quaternary */
@@ -100,7 +101,6 @@ typedef struct fdc_t {
     uint8_t densel_force;
     uint8_t fifo;
     uint8_t tfifo;
-    uint8_t fifobufpos;
 
     uint8_t drv2en;
     uint8_t gap;
@@ -145,6 +145,7 @@ typedef struct fdc_t {
     int drvrate[4];
 
     void *fifo_p;
+    int fifointest;
 
     sector_id_t read_track_sector;
     sector_id_t format_sector_id;
@@ -252,6 +253,7 @@ extern const device_t fdc_at_qua_device;
 extern const device_t fdc_at_actlow_device;
 extern const device_t fdc_at_ps1_device;
 extern const device_t fdc_at_ps1_2121_device;
+extern const device_t fdc_at_ps55_device;
 extern const device_t fdc_at_smc_device;
 extern const device_t fdc_at_ali_device;
 extern const device_t fdc_at_winbond_device;

src/include/86box/hdc.h

@@ -53,6 +53,7 @@ extern const device_t st506_xt_toshiba_t1200_device;      /* st506_xt_toshiba_t1
 
 extern const device_t esdi_at_wd1007vse1_device; /* esdi_at */
 extern const device_t esdi_ps2_device;           /* esdi_mca */
+extern const device_t esdi_integrated_device;           /* esdi_mca */
 
 extern const device_t ide_isa_device;         /* isa_ide */
 extern const device_t ide_isa_2ch_device;     /* isa_ide_2ch */

src/include/86box/machine.h

@@ -887,6 +887,7 @@ extern int machine_ps2_model_70_type3_init(const machine_t *);
 extern int machine_ps2_model_80_init(const machine_t *);
 extern int machine_ps2_model_80_axx_init(const machine_t *);
 extern int machine_ps2_model_70_type4_init(const machine_t *);
+extern int machine_ps55_model_50t_init(const machine_t*);
 
 /* m_tandy.c */
 extern int tandy1k_eeprom_read(void);

src/include/86box/mca.h

@@ -3,6 +3,7 @@
 
 extern void    mca_init(int nr_cards);
 extern void    mca_add(uint8_t (*read)(int addr, void *priv), void (*write)(int addr, uint8_t val, void *priv), uint8_t (*feedb)(void *priv), void (*reset)(void *priv), void *priv);
+extern void    mca_add_to_slot(uint8_t(*read)(int addr, void* priv), void (*write)(int addr, uint8_t val, void* priv), uint8_t(*feedb)(void* priv), void (*reset)(void* priv), void* priv, int c);
 extern void    mca_set_index(int index);
 extern uint8_t mca_read(uint16_t port);
 extern uint8_t mca_read_index(uint16_t port, int index);

src/include/86box/vid_ps55da2.h

@@ -0,0 +1,24 @@
+/*
+ * 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.
+ *
+ *          IBM PS/55 Display Adapter II emulation.
+ *
+ *
+ *
+ * Authors: Akamaki.
+ *
+ *          Copyright 2024 Akamaki.
+ */
+
+#ifndef VIDEO_DA2_DEVICE_H
+#define VIDEO_DA2_DEVICE_H
+
+#ifdef EMU_DEVICE_H
+extern const device_t ps55da2_device;
+#endif
+#endif /*VIDEO_DA2_DEVICE_H*/

src/include/86box/vid_svga.h

@@ -216,6 +216,11 @@ typedef struct svga_t {
     int   override;
     void *priv;
 
+    int vga_enabled;
+    /* The PS/55 POST BIOS has a special monitor detection for its internal VGA
+       when the monitor is connected to the Display Adapter. */
+    int cable_connected;
+
     uint8_t  crtc[256];
     uint8_t  gdcreg[256];
     uint8_t  attrregs[32];

src/include/86box/vid_vga.h

@@ -33,4 +33,8 @@ static video_timings_t timing_vga = { VIDEO_ISA, 8, 16, 32, 8, 16, 32 };
 void    vga_out(uint16_t addr, uint8_t val, void *priv);
 uint8_t vga_in(uint16_t addr, void *priv);
 
+void vga_disable(void* p);
+void vga_enable(void* p);
+int vga_isenabled(void* p);
+
 #endif /*VIDEO_VGA_H*/

src/include/86box/video.h

@@ -313,6 +313,9 @@ extern const device_t mach32_mca_device;
 extern const device_t mach32_pci_device;
 extern const device_t mach32_onboard_pci_device;
 
+/* IBM Display Adapter (PS/55) */
+extern void da2_device_add(void);
+
 /* ATi Mach64 */
 extern const device_t mach64gx_isa_device;
 extern const device_t mach64gx_vlb_device;