TEST_RW .rs 1 TEST_XOR .rs 1 TEST_PRG_RAM_FAILED .rs 1 TEST_CHR_RAM_FAILED .rs 1 TEST_BANK .rs 1 do_tests: ; detect CHR RAM size jsr detect_chr_ram_size ; check presense of PRG RAM jsr prg_ram_detect do_tests_again: ; invert TEST_XOR lda