Difference between revisions of "83Plus:BCALLs:4351"
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| − | [[Category:83Plus:BCALLs:By Address|4351 - DelVar]] | + | [[Category:83Plus:BCALLs:By_Name:Variable|DelVar]] [[Category:83Plus:BCALLs:By_Name|DelVar]] [[Category:83Plus:BCALLs:By Address|4351 - DelVar]] |
| − | Synopsis | + | == Synopsis == |
| + | '''Official Name:''' DelVar | ||
| − | + | '''BCALL Address:''' 4351h | |
| − | + | Delete a variable. | |
| − | Inputs | + | === Inputs === |
| + | * HL points to the VAT entry | ||
| + | * BDE points to the start of the data | ||
| − | + | === Outputs === | |
| + | ''None'' | ||
| − | + | === Destroys === | |
| + | * All registers | ||
| − | + | == Comments == | |
| + | This routine will refuse to delete archived variables, throwing an error instead. Use [[83Plus:BCALLs:4FC6|DelVarArc]] to delete archived variables. | ||
| − | + | == Example == | |
| − | + | ld hl,name | |
| − | + | ld de,[[83Plus:RAM:8478|OP1]] | |
| − | + | ld bc,6 ; type (1) + name (4) + zero (1) | |
| − | + | ldir | |
| − | + | B_CALL [[83Plus:BCALLs:42F1|ChkFindSym]] | |
| − | + | ret c | |
| − | + | B_CALL DelVar | |
| − | Example | + | ;... |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
name: | name: | ||
| − | + | .db ProgObj,"name",0 | |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
Latest revision as of 11:40, 11 December 2005
Synopsis
Official Name: DelVar
BCALL Address: 4351h
Delete a variable.
Inputs
- HL points to the VAT entry
- BDE points to the start of the data
Outputs
None
Destroys
- All registers
Comments
This routine will refuse to delete archived variables, throwing an error instead. Use DelVarArc to delete archived variables.
Example
ld hl,name
ld de,OP1
ld bc,6 ; type (1) + name (4) + zero (1)
ldir
B_CALL ChkFindSym
ret c
B_CALL DelVar
;...
name:
.db ProgObj,"name",0
