Consistently use the term 'device'.

cpu/6502/README.md

@@ -12,8 +12,8 @@ format for Ethernet:
 - Bytes  5 -  8: Subnet Mask    (HiByte first)
 - Bytes  9 - 12: Default Router (HiByte first)
 - Bytes 13 - 16: DNS Server     (HiByte first)
-- Bytes 17 - 18: Ethernet card driver param (LoByte first !)
-- Bytes 19 - xx: Ethernet card driver name (ASCII / PETSCII)
+- Bytes 17 - 18: Ethernet device driver param (LoByte first !)
+- Bytes 19 - xx: Ethernet device driver name (ASCII / PETSCII)
 
 It has the following format for SLIP (based on RS232 driver coming with cc65):
 

platform/atarixl/README.md

@@ -5,7 +5,7 @@ The platform/atarixl/ directory is used for targeting an Atari XL computer.
 Most things are shared between the 6502-based targets so please consult
 cpu/6502/README.md for further details.
 
-The following Atari XL Ethernet card is supported:
+The following Atari XL Ethernet devices are supported:
 
 - Dragon Cart: cs8900a.eth
 - Dracarys:    w5100.eth

platform/c128/README.md

@@ -5,7 +5,7 @@ The platform/c128/ directory is used for targeting a Commodore 128 computer.
 Most things are shared between the 6502-based targets so please consult
 cpu/6502/README.md for further details.
 
-The following C128 Ethernet cards are supported:
+The following C128 Ethernet devices are supported:
 
 - RR+RR-Net: cs8900a.eth
 - ETH64:     lan91c96.eth

platform/c64/README.md

@@ -5,7 +5,7 @@ The platform/c64/ directory is used for targeting a Commodore 64 computer.
 Most things are shared between the 6502-based targets so please consult
 cpu/6502/README.md for further details.
 
-The following C64 Ethernet cards are supported:
+The following C64 Ethernet devices are supported:
 
 - RR+RR-Net: cs8900a.eth
 - ETH64:     lan91c96.eth