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Default RCLK mode now RCLK/2 rather than RCLK/1.
Kevin Bracey authored 
Doesn't force CMOS setting of sync and monitortype on NCs/STBs.
Accepts HClockSelect parameter (number 9) in VIDC lists. Uses this to
determine whether to use HCLK or not, rather than abusing
Service_MonitorLeadTranslation.
If DontUseVCO flag is set, then VCLK will not be used - only RCLK (or HCLK if
requested).

Version 4.86. Tagged as 'Kernel-4_86'
b28fe2e3
Name Last commit Last update
..
AMBControl Taught AMBControl about shrinkable dynamic areas
PMF Added OS_Word 15,5 to set the real-time clock from a 5 byte UTC time.
vdu Default RCLK mode now RCLK/2 rather than RCLK/1.
ARM600 * Added support for 24LC64 8K EEPROM (untested).
Arthur2 ChocolateSysVars and ChocolateOscli merged from Ursula.
Arthur3 Import from cleaned 360 CD
ArthurSWIs Ursula ChocolateSysHeap and 128-entry SWI hash table incorporated.
ChangeDyn ChocolateSysVars and ChocolateOscli merged from Ursula.
Convrsions Kernel merged
Copro15ops RISC OS 3.71 version taken
ExtraSWIs Import from cleaned 360 CD
FlashROM Flash upgrade works this time.
GetAll Default RCLK mode now RCLK/2 rather than RCLK/1.
HeapMan * Added support for 24LC64 8K EEPROM (untested).
HeapSort Import from cleaned 360 CD
KbdResA1 Import from cleaned 360 CD
KbdResPC Spinner branch (Backspace-Power On addition) merged.
Kernel Ursula ChocolateSysHeap and 128-entry SWI hash table incorporated.
MEMC1 Import from cleaned 360 CD
MEMC2 Import from cleaned 360 CD
MOSDict Import from cleaned 360 CD
MemInfo Up to 16M of ROM now mapped in from 03800000-04800000.
Middle ROM speed not taken from the Machine header file. POST can now exist in a softloaded OS, since it searches for a zero word in the ROM instead of using one within the POST when trying to communicate with the POST adapter (the zero word must be in ROM). Fixed to build on non-chrontel STB/NC products. Lots of duplicate code merged in
ModHand ChocolateSysVars and ChocolateOscli merged from Ursula.
MoreComms Spinner branch merged.
MoreSWIs
Morris
MsgCode
NewIRQs
NewReset
Oscli
SWINaming
Super1
SysComms
TickEvents
UnSqueeze
Utility