400 in 1
Elements:
Chip signature:
27F080+6264A+7432+74161+7432+74153+74273+7404+7408
PCB top:
PCB bottom:
Shell top:
No photo
Shell bottom:
No photo
Screenshoots:
Extra info:
http://www.elektroda.pl/rtvforum/viewtopic.php?t=3069807&highlight=pegasus
REG1: $8000-$bfff
5432 1098 7654 3210
A~[10xx xeev xPPx xxmM]
||| || ||
||| || |+- mirroring (0: vertical, 1: horizontal)
||| || +-- PRG mode (0: 16k, 1: 32k)
||| ++------- PRG outer bank (A18, A17)
||+----------- PRG mode
++------------ PRG-ROM enable at $8000-$ffff (0: enabled, 1,2,3: disabled);
REG2: $c000-$ffff
3210
A~[11xx xxxx xxxx wppp]
||||
|+++- PRG inner bank
+---- CHR-RAM write protection (0: disabled, 1: enabled)
mode | $8000-$bfff | $c000-$ffff | notes
---------+-------------+-------------+-----------------------------
v=0, m=0 PPppp PPppp 16k NROM
v=1, m=0 PPppp PP11p invalid
v=0, m=1 PPppp PPpp1 weird (32k NROM when ppp is even or 16k NROM when ppp is odd)
v=1, m=1 PPppp PP111 UNROM
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