Maintenance script: Initial automated import

2016-02-05T22:22:11Z

Initial automated import

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Pushes the address after the CALL instruction (PC+3) onto the stack and jumps to the label. Can also take conditions.

== Syntax ==



call label ;unconditional call
call cond.,label ;conditional call

=== Allowed Instructions ===



call label ;always calls

call c,label ;calls if C flag is set
call nc,label ;calls if C flag is reset

call z,label ;calls if Z flag is set
call nz,label ;calls if Z flag is reset

call m,label ;calls if S flag is set
call p,label ;calls if S flag is reset

call pe,label ;calls if P/V is set
call po,label ;calls if P/V is reset

== Effects ==



Flags are preserved.

== Uses ==



The most common use of CALL is to create routines that can be used multiple times.

== T-States ==
cc is condition: NZ, Z, NC, C, PO, PE, P, M
{| class="wikitable"
| XX || 17
|}

{| class="wikitable"
| || condition true || condition false
|-
| cc,XX || 17 || 10
|}

== See Also ==

[[Z80:Opcodes:BIT|BIT]],[[Z80:Opcodes:CP|CP]],[[Z80:Opcodes:CPD|CPD]],[[Z80:Opcodes:CPDR|CPDR]],[[Z80:Opcodes:CPI|CPI]],[[Z80:Opcodes:CPIR|CPIR]],[[Z80:Opcodes:DJNZ|DJNZ]],[[Z80:Opcodes:JP|JP]],[[Z80:Opcodes:JR|JR]],[[Z80:Opcodes:RET|RET]]


{{lowercase}}
[[Category:Z80 Assembly]]
[[Category:Z80 Heaven]]
[[Category:Z80 Opcodes]]

Z80:Opcodes:CALL - Revision history

Maintenance script: Initial automated import