mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-12-19 00:29:29 +00:00
Added few comments and a few new constants
This commit is contained in:
parent
63badba136
commit
6dca0ada51
@ -55,13 +55,20 @@ const byte VIC_CSEL = %00001000;
|
||||
const byte* D018 = $d018;
|
||||
const byte* VIC_MEMORY = $d018;
|
||||
|
||||
const byte* LIGHTPEN_X = $d013;
|
||||
const byte* LIGHTPEN_Y = $d014;
|
||||
|
||||
// VIC II IRQ Status Register
|
||||
const byte* IRQ_STATUS = $d019;
|
||||
// VIC II IRQ Enable Register
|
||||
const byte* IRQ_ENABLE = $d01a;
|
||||
// Bits for the IRQ Status/Enable Registers
|
||||
const byte IRQ_RASTER = %00000001;
|
||||
const byte IRQ_COLLISION_BG = %00000010;
|
||||
const byte IRQ_COLLISION_SPRITE = %00000100;
|
||||
const byte IRQ_LIGHTPEN = %00001000;
|
||||
|
||||
// Color Ram
|
||||
const byte* COLS = $d800;
|
||||
|
||||
// CIA#1 Port A: keyboard matrix columns and joystick #2
|
||||
|
Loading…
Reference in New Issue
Block a user