BCALLs Template

Example of a BCALL Wiki

If your BCALL is something simple, you may omit some (or all) of these sections and just give a Synopsis. Please provide as many sections as you can.

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Synopsis

Official Name: SomeCall
BCALL Address: $4444
This ROM Call does absolutely nothing since it doesn't exist. :)

Inputs

• a: Page to look copy from
• de: Address to copy to
• hl: Address to copy from
• (de): A byte is copied from here
• keyExtend: An example of a known RAM block.
• bit exampleBit, (iy+demoBye): Set to do something, reset to do something else
• Parity: Set for something

Outputs

• (hl): A byte is copied to here
• Zero: Set if successful

Registers Destroyed

• af

Example

ld a,$08
ld de,$567A
ld hl,keyExtend
b_call SomeCall

Code Used to Produce the Above

Please use this code as the starting point for all BCALL entries.

== Synopsis ==
'''Official Name:''' SomeCall
<br>'''BCALL Address:''' $4444
<br>This ROM Call does absolutely nothing since it doesn't exist. :)

== Inputs ==
*a: Page to look copy from
*de: Address to copy to
*hl: Address to copy from
*(de): A byte is copied from here
*[[83Plus:RAM:keyExtend|keyExtend]]: An example of a known RAM block.
*bit exampleBit, (iy+demoBye): Set to do something, reset to do something else
*Parity: Set for something

== Outputs ==
*(hl): A byte is copied to here
*Zero: Set if successful

== Registers Destroyed ==
*af

== Example ==
 <nowiki>ld a,$08
ld de,$567A
ld hl,keyExtend
b_call SomeCall</nowiki>

Please note the space in front of the <nowiki> tag!