Routines
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C49F: Parser: Validate Two Direct Objects
Used by the routines at Action_Give, Action_Place, Action_Kill and Action_Insert.
Output
F The carry flag is set when the command is malformed
Parser_ValidateTwoDirectObjects C49F CALL Parser_ValidateDirectObject Call Parser_ValidateDirectObject.
C4A2 RET C Return if there is no direct object in the user input (so the command is malformed).
A now contains the count of the number of valid direct objects.
C4A3 CP $01 Jump to ValidateTwoDirectObjects if the number of valid direct objects in the user input is not 01.
C4A5 JR NZ,ValidateTwoDirectObjects
There is only one valid direct objects in the user input and the command needs two...
Print "Please be more specific.".
C4A7 CALL Response_PleaseBeMoreSpecific Call Response_PleaseBeMoreSpecific.
C4AA SCF Set the carry flag.
C4AB RET Return.
There are two or more valid direct objects in the user input.
ValidateTwoDirectObjects C4AC CP $03 Jump to ValidateTwoDirectObjects_TooMany if the number of valid direct objects in the user input is greater than or equal to 03.
C4AE JR NC,ValidateTwoDirectObjects_TooMany
C4B0 AND A Set zero flag.
C4B1 RET Return.
There are more than two valid direct objects in the user input.
Print "Please rephrase that.".
ValidateTwoDirectObjects_TooMany C4B2 CALL Response_PleaseRephraseThat Call Response_PleaseRephraseThat.
C4B5 SCF Set the carry flag.
C4B6 RET Return.
View the equivalent code in Warlord.
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