Merge pull request #5237 from akmed772/master

Add IBM PS/55 machines and its peripherals

src/include/86box/86box.h

@@ -138,6 +138,7 @@ 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

@@ -103,7 +103,6 @@ typedef struct fdc_t {
     uint8_t densel_force;
     uint8_t fifo;
     uint8_t tfifo;
-    uint8_t fifobufpos;
 
     uint8_t drv2en;
     uint8_t gap;
@@ -148,6 +147,7 @@ typedef struct fdc_t {
     int drvrate[4];
 
     void *fifo_p;
+    int fifointest;
 
     sector_id_t read_track_sector;
     sector_id_t format_sector_id;

src/include/86box/hdc.h

@@ -48,6 +48,7 @@ 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_sec_device;     /* isa_ide sec*/

src/include/86box/machine.h

@@ -903,6 +903,8 @@ 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*);;
+extern int machine_ps55_model_50v_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

@@ -229,6 +229,11 @@ 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

@@ -31,4 +31,8 @@ typedef struct vga_t {
 extern void vga_out(uint16_t addr, uint8_t val, void *priv);
 extern 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;