Mode X initialization needs to zero video memory after setup to clear the junk that becomes visible. Hide the junk entirely by using the DAC mask
Mode X initialization needs to zero video memory after setup to clear the junk that becomes visible. Hide the junk entirely by using the DAC mask

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