- Determine slice images to create dynamically based on the hd_xxx.txt and fd_xxx.txt files.
- Add a volume label directive to the hd_xxx.txt and fd_xxx.txt files.
- Add a system image directive to the hd_xxx.txt and fd_xxx.txt files.
- @kiwisincebirth noticed some duplicative code in HBIOS related to warm starts. This has been refactored.
- A start mode code is now passed from HBIOS to RomLdr to indicate a warm or cold start. Device inventory now uses this code to display only on cold start.
As pointed out by @kiwisincebirth, my prior choice of the numeric 1 conflicts with booting to disk units. Changing the menu key to the letter 'O' this time.
- Add a signature to the start of the font map table to prevent accidentally applying/decompressing invalid font data.
- Improve Z280 font byte retrieval to properly restore the user mode bank.
Video soft font data was occupying a large amount of space in the HBIOS bank. This change moves the font data to a ROM bank by default.
Thanks and credit to @b1ackmai1er who provided much of the code that originated this change.
Co-Authored-By: b1ackmai1er <39449559+b1ackmai1er@users.noreply.github.com>
Removed ability from boot up (see ez80cpudrv.adm) to allow for setting of
external memory and io timing using eZ80's W/S config. All timings
must now be specified in terms of eZ80's Bus Cycle setting.
This is to increase compatibility with various external RCBus/RC2014
modules.
Due to eZ80 firmware changes, the configuration was always setting
the I/O Bus Cycle to the maximum setting of 7 - typically most system
will work fine at a setting of 4 B/C
current ez80 firmware version: 0.5.0.234 2025-06-21
Per @PeterOGB, added a copy of the HI-TECH C Compiler Messages document. The space-optimized version of the compiler from @Laci1953 omits these messages.
Jörg Linder has disassembled and thoroughly commented a great deal of the BPBIOS binaries. This was an incredible amount of work. I have added all of these to the RomWBW build scripts and will ultimately integrate them more completely.
Update ZAS in User Area 1 of the HITECH-C disk image based on the latest from Ladislau.
Co-Authored-By: ladislau szilagyi <87603175+Laci1953@users.noreply.github.com>
Use a global flag to indicate if interrupts have been enabled during the boot process. Drivers that operate in the pre-interrupt phase can use this to manage interrupt disable bracketing.
This allows restoring the location of interrupt enable in the boot process to it's proper location.