83Plus:BCALLs:430F

Synopsis

Official Name: CreateReal

BCALL Address: 430F

Creates a real variable.

Inputs

• OP1 = Name of real variable

Outputs

• HL points to symbol table entry
• DE points to data section
• OP4 contains the name as inputted in OP1

Registers Destroyed

• AF,BC,OP1,OP2

Comments

Only names from A-Z or Theta are allowed. You don't have to set (OP1) to 00h. The OS does this for you. (OP1+2) and (OP1+3) must be zero. No checks are made for duplicate/invalid names. If there isn't enough RAM a memory error will be generated.

Example

ld a,'C'
B_CALL RealName
B_CALL CreateReal