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id = 1020
title = "Display mode 0x6 doubles lines"
state = "closed"
created_at = "2022-05-10T16:50:49.309Z"
closed_at = "2022-07-29T17:29:53.180Z"
labels = ["device:graphics", "workflow::Patch available"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1020"
host-os = "manjaro"
host-arch = "x86-64"
qemu-version = "6.2.0"
guest-os = "NO_OS"
guest-arch = "i386"
description = """When developing https://github.com/korneliuszo/ne2000xt I've occured problem with double lines in mode 0x06 of VGA display, problem doesn't exist in mode 0x05"""
reproduce = """1. Call int 0x10, to setup video mode
2. put data into video ram (./cga.py -i 192.168.1.102 -I ~/a.png)
3. bad display"""
additional = """Bad display:
Same data, but in mode 0x05
Same script as in bad display but run under 86Box
"""
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