Initial commit for GitHub migration based on spice2x-25-03-03

src/spice2x/misc/bt5api.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <cstdint>
+#include <windows.h>
+
+/* Emulating the sensors of a slotted card reader. The reader has one
+   sensor at the front that detects if a card is getting inserted or
+   if the card is not fully removed. When the back sensor is triggered
+   the card is locked in the slot and its data is read. */
+enum eam_io_sensor_state {
+    EAM_IO_SENSOR_FRONT = 0,
+    EAM_IO_SENSOR_BACK = 1,
+};
+
+/* Different commands for the (slotted) reader. The game triggers one
+   of these actions and the card slot as to execute it. When non-slotted
+   readers are emulated, these states are not used/set. */
+enum eam_io_card_slot_cmd {
+    EAM_IO_CARD_SLOT_CMD_CLOSE = 0,
+    EAM_IO_CARD_SLOT_CMD_OPEN = 1,
+    EAM_IO_CARD_SLOT_CMD_EJECT = 2,
+    EAM_IO_CARD_SLOT_CMD_READ = 3,
+};
+
+/* A private function pointer table returned by the stock EAMIO.DLL
+   implementation and consumed by config.exe. The contents of this table are
+   undocumented and subject to change without notice. */
+struct eam_io_config_api;
+
+extern bool BT5API_ENABLED;
+
+void bt5api_init();
+void bt5api_hook(HINSTANCE module);
+void bt5api_poll_reader_card(uint8_t unit_no);
+void bt5api_poll_reader_keypad(uint8_t unit_no);
+void bt5api_dispose();