This page (revision-4) was last changed on 03-Feb-2023 15:21 by Jakub Husak 

This page was created on 20-Mar-2010 20:41 by Florian Dingler

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Page revision history

Version Date Modified Size Author Changes ... Change note
4 03-Feb-2023 15:21 685 bytes Jakub Husak to previous
3 27-Sep-2022 19:10 674 bytes Jakub Husak to previous | to last
2 24-Feb-2019 17:47 223 bytes Florian Dingler to previous | to last
1 20-Mar-2010 20:41 183 bytes Florian Dingler to last

Page References

Incoming links Outgoing links
PMBASE
PMBASE

Version management

Difference between version and

At line 4 changed one line
explanation needed...
The PMBASE write-only register sets the base of memory occupied by Player-Missile Graphics.
According to bit 4 of [DMACTL]:
* when it is 0, the PMG memory area occupies 1024 ($400) bytes of memory and only upper 6 bits of PMBASE matter, so the PM memory area can be set to begin of 1KB boundary.
* when it is 1, the PMG memory area occupies 2048 ($800) bytes of memory and only upper 5 bits of PMBASE matter, so the PM memory area can be set to begin of 2KB boundary.
At line 9 added one line
see also: [Player Missile Topics|Pm_topics] [Pm-memory-map]
At line 7 changed one line
see also: [Player Missile Topics|Pm_topics]
previous: [VSCROL]
next: [CHBASE]
This page (revision-4) was last changed on 03-Feb-2023 15:21 by Jakub Husak  Top