[Ohrrpgce] SVN: teeemcee/11728 Fix sprite blending using bad colours while the screen is faded out

[subversion at HamsterRepublic.com]

teeemcee
2020-04-12 02:42:38 -0700 (Sun, 12 Apr 2020)
194
Fix sprite blending using bad colours while the screen is faded out

Added a third copy of the master palette, curmasterpal(), which is an
alternative to intpal but without screen fades applied.
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U   wip/allmodex.bas
U   wip/allmodex.bi
U   wip/allmodex.h
U   wip/blit.c
U   wip/common.rbas
U   wip/surface.bi