Gameport backend work

src/86box.c

@@ -11,6 +11,7 @@
  * Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
  *          Miran Grca, <mgrca8@gmail.com>
  *          Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Jasmine Iwanek, <jriwanek@gmail.com>
  *
  *          Copyright 2008-2020 Sarah Walker.
  *          Copyright 2016-2020 Miran Grca.
@@ -18,7 +19,7 @@
  *          Copyright 2021      Laci bá'
  *          Copyright 2021      dob205
  *          Copyright 2021      Andreas J. Reichel.
- *          Copyright 2021-2022 Jasmine Iwanek.
+ *          Copyright 2021-2025 Jasmine Iwanek.
  */
 #include <inttypes.h>
 #include <stdarg.h>
@@ -178,6 +179,7 @@ int      bugger_enabled                         = 0;              /* (C) enable
 int      novell_keycard_enabled                 = 0;              /* (C) enable Novell NetWare 2.x key card emulation. */
 int      postcard_enabled                       = 0;              /* (C) enable POST card */
 int      unittester_enabled                     = 0;              /* (C) enable unit tester device */
+int      gameport_type[GAMEPORT_MAX]            = { 0, 0 };       /* (C) enable gameports */
 int      isamem_type[ISAMEM_MAX]                = { 0, 0, 0, 0 }; /* (C) enable ISA mem cards */
 int      isartc_type                            = 0;              /* (C) enable ISA RTC card */
 int      gfxcard[GFXCARD_MAX]                   = { 0, 0 };       /* (C) graphics/video card */

src/game/gameport.c

@@ -8,8 +8,6 @@
  *
  *          Implementation of a generic Game Port.
  *
- *
- *
  * Authors: Miran Grca, <mgrca8@gmail.com>
  *          Sarah Walker, <https://pcem-emulator.co.uk/>
  *          RichardG, <richardg867@gmail.com>
@@ -18,7 +16,7 @@
  *          Copyright 2016-2022 Miran Grca.
  *          Copyright 2008-2018 Sarah Walker.
  *          Copyright 2021 RichardG.
- *          Copyright 2021-2024 Jasmine Iwanek.
+ *          Copyright 2021-2025 Jasmine Iwanek.
  */
 #include <stdio.h>
 #include <stdint.h>
@@ -35,6 +33,12 @@
 #include <86box/gameport.h>
 #include <86box/plat_unused.h>
 
+device_t game_ports[GAMEPORT_MAX];
+
+typedef struct {
+    const device_t *device;
+} GAMEPORT;
+
 typedef struct g_axis_t {
     pc_timer_t                  timer;
     int                         axis_nr;
@@ -733,3 +737,63 @@ const device_t gameport_sio_1io_device = {
     .force_redraw  = NULL,
     .config        = NULL
 };
+
+static const GAMEPORT gameports[] = {
+    { &device_none            },
+    { &device_internal        },
+    { &gameport_device        },
+    { &gameport_208_device    },
+    { &gameport_pnp_device    },
+    { &gameport_tm_acm_device },
+    { NULL                    }
+    // clang-format on
+};
+
+/* UI */
+int
+gameport_available(int port)
+{
+    if (gameports[port].device)
+        return (device_available(gameports[port].device));
+
+    return 1;
+}
+
+/* UI */
+const device_t *
+gameports_getdevice(int port)
+{
+    return (gameports[port].device);
+}
+
+/* UI */
+int
+gameport_has_config(int port)
+{
+    if (!gameports[port].device)
+        return 0;
+
+    return (device_has_config(gameports[port].device) ? 1 : 0);
+}
+
+/* UI */
+const char *
+gameport_get_internal_name(int port)
+{
+    return device_get_internal_name(gameports[port].device);
+}
+
+/* UI */
+int
+gameport_get_from_internal_name(const char *str)
+{
+    int c = 0;
+
+    while (gameports[c].device != NULL) {
+        if (!strcmp(gameports[c].device->internal_name, str))
+            return c;
+        c++;
+    }
+
+    return 0;
+}

src/include/86box/86box.h

@@ -8,14 +8,14 @@
  *
  *          Main include file for the application.
  *
- *
- *
  * Authors: Miran Grca, <mgrca8@gmail.com>
  *          Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Jasmine Iwanek, <jriwanek@gmail.com>
  *
  *          Copyright 2016-2020 Miran Grca.
  *          Copyright 2017-2020 Fred N. van Kempen.
  *          Copyright 2021 Laci bá'
+ *          Copyright 2021-2025 Jasmine Iwanek.
  */
 #ifndef EMU_86BOX_H
 #define EMU_86BOX_H
@@ -131,6 +131,7 @@ extern int      bugger_enabled;             /* (C) enable ISAbugger */
 extern int      novell_keycard_enabled;     /* (C) enable Novell NetWare 2.x key card emulation. */
 extern int      postcard_enabled;           /* (C) enable POST card */
 extern int      unittester_enabled;         /* (C) enable unit tester device */
+extern int      gameport_type[];            /* (C) enable gameports */
 extern int      isamem_type[];              /* (C) enable ISA mem cards */
 extern int      isartc_type;                /* (C) enable ISA RTC card */
 extern int      sound_is_float;             /* (C) sound uses FP values */

src/include/86box/gameport.h

@@ -8,8 +8,6 @@
  *
  *          Definitions for the generic game port handlers.
  *
- *
- *
  * Authors: Miran Grca, <mgrca8@gmail.com>
  *          Sarah Walker, <https://pcem-emulator.co.uk/>
  *          RichardG, <richardg867@gmail.com>
@@ -18,11 +16,13 @@
  *          Copyright 2016-2022 Miran Grca.
  *          Copyright 2008-2018 Sarah Walker.
  *          Copyright 2021 RichardG.
- *          Copyright 2021-2024 Jasmine Iwanek.
+ *          Copyright 2021-2025 Jasmine Iwanek.
  */
 #ifndef EMU_GAMEPORT_H
 #define EMU_GAMEPORT_H
 
+#define GAMEPORT_MAX 2
+
 #define MAX_PLAT_JOYSTICKS  8
 #define MAX_JOYSTICKS       4
 
@@ -110,10 +110,20 @@ typedef struct joystick_if_t {
     const char *pov_names[MAX_JOY_POVS];
 } joystick_if_t;
 
+extern device_t game_ports[GAMEPORT_MAX];
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+extern int gameport_available(int port);
+#ifdef EMU_DEVICE_H
+extern const device_t *gameport_getdevice(int port);
+#endif
+extern int         gameport_has_config(int port);
+extern const char *gameport_get_internal_name(int port);
+extern int         gameport_get_from_internal_name(const char *str);
+
 #ifdef EMU_DEVICE_H
 extern const device_t gameport_device;
 extern const device_t gameport_201_device;
@@ -173,6 +183,15 @@ extern const joystick_if_t joystick_ch_flightstick_pro;
 extern const joystick_if_t joystick_sw_pad;
 
 extern const joystick_if_t joystick_tm_fcs;
+
+extern int             gameport_available(int);
+extern int             gameport_has_config(int);
+extern const char     *gameport_get_internal_name(int);
+extern int             gampeport_get_from_internal_name(char *);
+#ifdef EMU_DEVICE_H
+extern const device_t *gameport_getdevice(int);
+#endif
+
 #ifdef __cplusplus
 }
 #endif