1MB Aperture is broken on the XGA and XGA-2 adapter #4850
Description
What happened?
After enabling 1MB Aperture of the XGA (and XGA-2) adapter in the refdisk (which is the default option every time I reconfigure the machine), Windows 3.1 display get corrupted completely, and I have to disable 1MB aperture to make Windows display correctly.
Broken display after enabling 1MB Aperture:
Correct display:
Configuration file
[General]
vid_renderer = qt_software
rctrl_is_lalt = 1
sound_gain = 8
host_cpu = AMD Ryzen 7 5800H with Radeon Graphics
uuid = 63ae7727-cc04-5190-872d-1a544f2eba50
force_43 = 1
language = system
[Machine]
machine = ibmps2_m80_type3
cpu_family = i386dx
cpu_speed = 40000000
cpu_multi = 1
cpu_use_dynarec = 0
time_sync = local
fpu_softfloat = 0
mem_size = 8192
[Video]
gfxcard = internal
show_second_monitors = 0
xga = 1
[Input devices]
mouse_type = ps2
[Sound]
fm_driver = nuked
[Storage controllers]
hdc = esdi_mca
cassette_mode = load
[Floppy and CD-ROM drives]
fdd_01_type = 35_2hd
fdd_02_type = none
fdd_01_turbo = 1
[XGA (MCA)]
type = 1
[Hard disks]
hdd_01_parameters = 38, 2, 1120, 0, esdi
hdd_01_esdi_channel = 0
hdd_01_fn = ESDI.img
hdd_01_speed = ramdisk
[Ports (COM & LPT)]
lpt1_device = dot_matrixOperating system
Windows 11
CPU
AMD Ryzen 7 5800H
86Box version
v4.3 build 6187
Build architecture
Windows - x64 (64-bit)
Build type
- New recompiler
- Debug build
Download source
Official website (Jenkins, GitHub)
Additional context
HDD and drivers disk:
XGAWIN31.zip