ORDSEG.DOC

ORDSEG.DOC - ORDINATOR memory segment documentation

;140210 Expanded from IO.DOC. L
;211002 Expanded from DIAMOND listings. L
;161002 Created from memory. L

Memory segments

00-1F	128KB RAM card					Read/Write

20-27	64KB RAM card					Read/Write

30-33	Unused

34	LAN card RAM (?K mirrored)			Read/Write

35	Floppy card RAM (1K mirrored)			Read/Write

36	CPU extension card ROM				Read-only

37	CPU extension card ROM				Read-only

38	Video card 0 char RAM (2K mirrored)		Read/Write

39	Video card 0 mode RAM (2Kx4 bits mirrored)	Read/Write

3A	Video card 1 char RAM (2K mirrored)		Read/Write

3B	Video card 1 mode RAM (2Kx4 bits mirrored)	Read/Write

3C	Empty segment (always reads FF)			Read-Only

3D	EPROM programmer				Read/Write

3E	CPU card RAM (1KB mirrored)			Read/Write

3F	CPU card ROM (4KB)				Read-Only

40-7F	256KB RAM card					Read/Write