4 . 4 . 2 0 Gosub - Hitachi HD64411 Q2 User Manual

4 . 4 . 2 0 GOSUB

Command Format
1. Code
B'11001
2. Rendering Attributes
Multi-Valued Binary
Source Source
× ×
Fixed at Fixed at Fixed at
0 0 0
× : Cannot be used
3. Command Parameters
SUBROUTINE ADDRESS H: Subroutine upper address
SUBROUTINE ADDRESS L: Subroutine lower address
Description
Changes the display list fetch destination to the specified subroutine address. The fetch address is
restored by an RET instruction. As only one level of nesting is permitted, it will not be possible
to return if a subroutine call is issued within the subroutine.
116
15
CODE
SUBROUTINE ADDRESS H
SUBROUTINE ADDRESS L
Reference Data
Binary
Work
×
Draw Mode
Reserved
Fixed at Fixed at Fixed at
0 0 0
0
DRAW MODE
Drawing Destination
Specified
Color Rendering
× ×
Fixed at Fixed Fixed
0 at 0
Work
×
Fixed Fixed
at 0 at 0 at 0