mirror of
https://github.com/KarolS/millfork.git
synced 2024-12-27 19:30:04 +00:00
ANTIC Display List BASIC fix
This commit is contained in:
parent
f9fc001c9a
commit
802424316c
@ -8,8 +8,8 @@
|
|||||||
// THE DISPLAY LIST CANNOT CROSS A 1K BYTE MEMORY BOUNDARY UNLESS A JUMP INSTRUCTION IS USED!
|
// THE DISPLAY LIST CANNOT CROSS A 1K BYTE MEMORY BOUNDARY UNLESS A JUMP INSTRUCTION IS USED!
|
||||||
const byte LMS = $40 // Load memory scan 10-bit counter, $fff boundary.
|
const byte LMS = $40 // Load memory scan 10-bit counter, $fff boundary.
|
||||||
const byte DLI = $80 // Display list interrupt - Interrupt CPU at beginning of last scan line.
|
const byte DLI = $80 // Display list interrupt - Interrupt CPU at beginning of last scan line.
|
||||||
const byte HSCROL = $10 // Enable vertical scrolling.
|
const byte HSCROL = $10 // Enable horizontal scrolling.
|
||||||
const byte VSCROL = $20 // Enable horizontal scrolling.
|
const byte VSCROL = $20 // Enable vertical scrolling.
|
||||||
const byte JMP = 1 // Jump command - followed by two bytes indicating the new instruction pointer for the display list.
|
const byte JMP = 1 // Jump command - followed by two bytes indicating the new instruction pointer for the display list.
|
||||||
const byte JVB = $41 // Jump and wait for Vertical Blank - suspends the display list until vertical blank and then jumps.
|
const byte JVB = $41 // Jump and wait for Vertical Blank - suspends the display list until vertical blank and then jumps.
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user