fixed cmp() sign/flags errors

preparing for 12.2 release

long for loop warning

update github build actions

threshold 2 on ptr usages before no longer const

version 12.2-BETA

version 12.1.1

Add PET 80 column support. (#211)

cleanup, animals example removed because it's superseded by the point…

…ers/animalgame example now

also optimize BRA+RTS into just BRA

release 12.0

IR/VM: SGN sets status bits