GitLab

Removed braces selecting code from 0.47 0.50 and 0.55, this is over 80
versions ago and just confusing.
Binary the same, not tagged.

Detail:
  Defines UXTH and SXTH as macros. This means we can assemble the output of
  cc -S -cpu 6 even using current versions of objasm that are limited to the
  v5TEJ instruction set. It is expected that objasm will ignore these macros
  if/when it gains v6 instruction set support.
Admin:
  Tested - it works.

Detail:
  Uses suffixed file extensions for compatiblity with both objasm and asasm.
Admin:
  Supplied by Peter Naulls, tested at ROOL

Version 1.20. Not tagged

Detail:
  The use of ARMv4 SMULL instructions is now switched based upon the
  Hdr:CPU.Arch header file. This means that in IOMD ROM builds, only pre-v4
  instructions are used, so it will function on all required target platforms.
  Tungsten and OMAP3 builds will continue to use SMULL.
Admin:
  Inspected binary to ensure correct behaviour. Requires HdrSrc 1.67 or
  1.62/4.162.2.4.

Version 1.20. Tagged as 'SprExtend-1_20'

Removed local definition of XOS_CLI and XColourTrans_SelectTable, replaced
with header file.

Delete swiv2_old (moved to _old directory)

Changed to use {TRUE} and {FALSE} built in objasm variables.

Label dividebyzero fall through had code in the way for debug = {TRUE}.

Trimmed some dead code and definitions.

Stopped thrashing OS_CLI every time a JPEG plot is required to check
ColourTrans version, this is now done once at startup and a flag kept
instead.

Author: Rob Sprowson

Version 1.19. Tagged as 'SprExtend-1_19'

Detail:
  cache_sprite_doesnt_exist_error routine in MsgCode failed to take into
  account the fact that the messages file might be tokenised. Calling
  MessageTrans_Lookup with R2=0 gives you the length of the unexpanded
  message in R3. Now fixed to work in a better way.
  Also rename fp to r11 in swiv2 file to avoid assembler warnings.
Admin:
  Soft-loaded module tested. Problem seems to be solved.


Version 1.17. Tagged as 'SprExtend-1_17'

C compiler that spots signed divisions of known-positive quantities (eg in
this case (<char>*254)/100), and does them as unsigned instead.

Version 1.16. Tagged as 'SprExtend-1_16'

* Transformed sprite plotting optimised to not read the screen memory when
  it could be simply avoided - greatly enhances performance on Iyonix.
* Decoding of 1x2 sampled JPEGs fixed.

Version 1.14. Tagged as 'SprExtend-1_14'

Replaced a couple of STMs in error recovery code with code sequences that don't use UNPREDICTABLE (and XScale-unsafe) instructions.

Version 1.13. Tagged as 'SprExtend-1_13'

New version from Kevin: OS_SpriteOp 55 and 56 can take top-bit-set translation table pointers, at the expense of the condition for no translation table being tightened to either 0 or -1 (previously documented as <= 0). This is the version included in release 5.00 of the OS.

Version 1.12. Tagged as 'SprExtend-1_12'

Used to interpret negative translation table pointers as "none"; now just 0
as per documentation.
Plotting 16bpp sprites into 32bpp modes now correctly sets the 3 least
significant bits of each channel - used to be set to 0 due to a typo.
Build option (currently set to on) to use SMULL instructions.

Version 1.11. Tagged as 'SprExtend-1_11'

Detail:
  The build structure for this module is not nice - I've sanitised it a
    bit, but it's still not nice.
Admin:
   Built and tested with the test program briefly - the test sprite seems
     to scale and rotate properly.  ChangeFSI not tested.


Version 1.08. Tagged as 'SprExtend-1_08'

  Addition of srccommit files.
Detail:
  * c.jrdjfif, get_dqt had an empty debug loop when debug was disabled.
    This is no longer compiled when debugging is not enabled.
  * VersionNum and VersionASM files added, and Sources.SprExtend modified
    to use symbols exported from there rather than from Version.
Admin:
  Ran on my machine. Previously tested in ROL builds.
  In future, might like to merge Exif support from ROL builds, but don't
  want to do that until I've re-read the specs on Exif format again.

Version 1.07. Tagged as 'SprExtend-1_07'

Sprout from master 1996-11-21 12:57:15 UTC Neil Turton <nturton@gitlab.riscosopen.org> 'Initial revision'
Delete:
    Doc/SA_Changes
    Log426
    Sources/swiv2_old

Sprout from master 1996-11-05 09:45:28 UTC Neil Turton <nturton@gitlab.riscosopen.org> 'Import from cleaned 360 CD'
Delete:
    Log426
    Sources/swiv