AmigaOS 3.1 and Demoscene Tribute Site
amigaos.hu
A hobby workbench for Amiga users and demosceners. One window, one disk: click it and the music starts.
Minerva Radio demoscene music, 24/7
11.Workbench:> Version
Kickstart 40.68 / Exec 40.x = AmigaOS 3.1
the last Workbench Commodore shipped
11.Workbench:> ; which layer does what
exec tasks, memory, interrupts, ports
dos packets to devices. all are devices
intuition screens, windows, events, gadgets
graphics bitplanes, rastports, Copper, Blit
libs utility locale math arexx DataTypes
11.Workbench:> Avail
Chip $000000-$1FFFFF yes
Slow $C00000 no
Fast Zorro, 030-060 no
Memory / DMA
Chip $000000-$1FFFFF yes
Slow $C00000 no
Fast Zorro, 030-060 no
Chipsets
OCS Agnus 8371
Denise 8362, 6 planes
ECS Agnus 8372
Denise 8373
AGA Alice 8374, Lisa
8 planes, 256 colours
Registers
custom $DFF000
CIA-A $BFE001
CIA-B $BFD000
ROM $FC0000
sum $FFFFFFFF
copper COP1LC $DFF080
Display
227.5 clocks in a line
PAL frame 20 ms, 50 Hz
WAIT+MOVE 4 DMA slots