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another tiny doc update for A7800 (NW)

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This commit is contained in:
Cowering 2016-03-21 12:43:29 -05:00
parent 13e8e27678
commit 8179e313e5
1 changed files with 5 additions and 4 deletions
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9
src/devices/bus/a7800/a78_slot.cpp
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@ -707,6 +707,7 @@ WRITE8_MEMBER(a78_cart_slot_device::write_40xx)
[*] Cart type:
(byte 54)
bit 0-7 - Hardware "flags"
bit 0 [0x01] - POKEY at $4000
bit 1 [0x02] - SuperCart bank switched
@ -715,11 +716,11 @@ WRITE8_MEMBER(a78_cart_slot_device::write_40xx)
bit 4 [0x10] - bank 6 at $4000
bit 5 [0x20] - banked RAM at $4000
bit 6 [0x40] - POKEY at $0450
bit 7 [0x80] - currently unused
bit 8-15 - Special values
0 = Normal cart // normal compared to what? perhaps this should be 'unused'
1 = Absolute (F18 Hornet)
2 = Activision (Double Dragon & Rampage)
(byte 53)
bit0 set = Absolute mapper (F18 Hornet)
bit1 set = Activision mapper (Double Dragon & Rampage)
-------------------------------------------------*/