Move more common code into testcommon.c
TEXT and MIXED switch tests
Allow "complete" reboots to occur when debug-stepping

    * This allows reboot to work if RAMRD switch is set to auxmem (as it is in a few VM tests)
don't leak
A 6502 assembly script to test AUXMOVE and RAMRD boundary execution
Attempt to load non-gzipped test disks (aborted from previous runs)
define should be larger and private
6502 assembly test helper defines
test HIRES switch
refactor to use better flag names, better softswitch result test, ...
first language card test
test language card C081 switch
test C082, C083 switches
test C088, C089, C08A, C08B switches
Additional checks alongside pseudo-softswitch SS_SCREEN
A few more checks for test that toggles ramrd/ramwrt
test setting/checking 80STORE