z80:Directives:BRANCH

From Learn @ Cemetech
Jump to: navigation, search

Adds a branch table entry and label (for TI applications). The branch table should follow the application header.

Syntax

   .branch label


Allowed inputs

Uses

   .binarymode ti8xapp
       
   .defpage 0, 16*1024, $4000
   .defpage 1, 16*1024, $4000
   
   .page 0                             ; Start page 0
       .block 128                      ; Advance 128 bytes for header.   
   
           jp Run                      ; Jump past the branch table
           
           .branch OffPageCall         ; Add a branch table item
           
       Run
                  
           bcall(_OffPageCall)         ; Call the off-page function
                                       ; (Note the _underscore!)
           
           bjump(_JForceCmdNoChar)     ; Exit
   
          
   .page 1
   
       OffPageCall
           
           ; Do something interesting
           
           ret


See Also

branchrule