Fix VGA TEST.EXE to render Tandy/PCjr test patterns correctly in PCjr mode
Fix VGA TEST.EXE to render Tandy/PCjr test patterns correctly in PCjr mode

joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib