[Bug 1891749] [NEW] CGA Mode 6 is only 100 pixels tall, when it's supposed to be 200

[-]

Public bug reported:

I have written a program that used CGA Mode 6 (640x200 black and white).
However qemu-system-i386 only displays the first 100 pixels, effectively
limiting the resolution of mode 6 to 640x100. When running the same
program on a real computer it uses the whole 640x200 pixels.

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: i386 linux-user

** Tags added: linux-user

** Tags removed: li

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https://bugs.launchpad.net/bugs/1891749

Title:
  CGA Mode 6 is only 100 pixels tall, when it's supposed to be 200

Status in QEMU:
  New

Bug description:
  I have written a program that used CGA Mode 6 (640x200 black and
  white). However qemu-system-i386 only displays the first 100 pixels,
  effectively limiting the resolution of mode 6 to 640x100. When running
  the same program on a real computer it uses the whole 640x200 pixels.

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