Set the floating-point control register from an m68k format */

* Check if file/device is read-only */

* Open a file/device */

Return the first path in `directory` whose basename matches any entry of `basenames` case-insensitively. Returns the canonical (first) path ev

Internal helper: block until the previous draw_bitmap completes, then * claim the ready-slot for the next one. Paired with release by the * on_dsi_t

Get the latest touch event from the queue. The queue is written with xQueueOverwrite every ~16ms and polled here every ~1ms, so the same queued event

* Set AudioStatus to reflect current audio stream format */

Stop the touch task

AsciiHexToHex() - to convert ascii char hex to integer hex * pram[in] - str - pointer to the char to convert. * pram[in] - len - the number of cha

* Display error alert */

* Check if a file exists on SD card */

* Pre-allocate hot CPU data structures while internal SRAM is still contiguous. * Safe to call multiple times. */

* Eject disk (no-op) */

* Close a file/device */

* Write to a file/device - direct write, no buffering * Marks handle dirty for deferred flush */

Shared WiFi cleanup path - used at the end of either settings or the silent (no-tap) boot flow. Leaves WiFi up if the user configured it and it actual

* * I2S Audio Function * **************************************************************************************************/

* CPU tick check - called periodically during emulation * * This is called every emulated_ticks_quantum instructions (40000 by default). * We

S-type instruction encoding

Fast 8-bit path helper: convert framebuffer byte offset to tile index.

Re-tile a rectangle with the desktop stipple so partial redraws can erase prior content without leaving a flat-gray patch over the pattern. Matches th