Apple Firmware V1.0.2 (12-Jun-2026)

• Fix: ProDOS Driver Status command returned the wrong drive capacity.

CRC32 Checksum of binaries

iic.bin    : 4205C989h
iicplus.bin: 90C8F44Ah

Version 1.1.11 (18-May-2026)

Pico Firmware

• Compiled with C17 and C++17 standard
• Support Alliance AS25F3512MQ flash chip
• When 6502 reads status register ($C0C0), the request is not forwarded to Pico CPU.
• Bug fix: TFTP failed to restart when blksize option from server is invalid

Apple Firmware

• No changes (V1.0.1)

Version 1.1.10 (19-Mar-2026)

Pico Firmware

• Fix a bug introduced in V1.1.9: Storage medium I/O error cannot be handled correctly during TFTP Transfer

Apple Firmware

• No changes (V1.0.1)

Version 1.1.9 (17-Mar-2026)

Pico Firmware

• Control Panel: Ask users to save settings when Esc key is pressed.
• TFTP Download: Convert DOS order image (.dsk or .do) to ProDOS order
• Bug Fix: NTP Update is executed twice when the machine is powered on
• Bug Fix: Memory Leak after TFTP Transfer

Apple Firmware

• No changes (V1.0.1)

Version 1.1.8 (11-Mar-2026)

Pico Firmware

• FSUB Applesoft BASIC FPU command is added
• Optimized Applesoft FPU routines
• Removed IRQ0 from RP2350 PIO program
• Overclocked RP2350 CPU to 225MHz

Apple Firmware (V1.0.1)

• Optimized disk access speed
• Optimized FPU speed

Apple Firmware V1.0.1 (8-Mar-2026)

• Reduced memory usage in SLOTROM
• Jump to boot menu via swjmp routine
• Optimized readoneblock and writeoneblock routines
• Moved dispatch to ROM1 segment
• Moved getdib to ROM1 segment
• FPU: Unrolled data transfer routine to improve performance

CRC32 Checksum of binaries

iic.bin    : DE6324DCh
iicplus.bin: 780ED5A5h

Version 1.1.7 (20-Sep-2025)

Pico Firmware

• Refactor flash.c and mediaaccess.c source code
• Source code clean up to reduce memory usage
• Improved some prompt messages in XModem Transfer
• RAM Disk has its own dedicated DMA channel

Apple Firmware

• No changes (V1.0)

Version 1.1.6 (09-Sep-2025)

Pico Firmware

• Optimize the timing of RP2350 PIO for compatibility with slower GAL16V8

Apple Firmware

• No changes (V1.0)

Version 1.1.5 (15-Aug-2025)

Pico Firmware

• ADTPro VSDRIVE drivers are included in ROM Disk

Apple Firmware

• No changes (V1.0)

Version 1.1.4 (18-Aug-2025)

Pico Firmware

• Abort Erase Flash Disk if Apple is reset during the process
• Minor clean up of source code

Apple Firmware

• No changes (V1.0)