apple2js/js/videomodes.ts

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import { Memory, Restorable, byte } from './types';
export type bank = 0 | 1;
export type pageNo = 1 | 2;
export interface Color {
0: byte, // red
1: byte, // green
2: byte, // blue
}
export interface Region {
top: number,
bottom: number,
left: number,
right: number,
}
export interface GraphicsState {
page: byte;
mono: boolean;
buffer: string[];
}
export interface VideoModesState {
grs: [gr1: GraphicsState, gr2: GraphicsState],
hgrs: [hgr1: GraphicsState, hgr2: GraphicsState],
textMode: boolean,
mixedMode: boolean,
hiresMode: boolean,
pageMode: pageNo,
_80colMode: boolean,
altCharMode: boolean,
an3: boolean,
}
export interface VideoPage extends Memory, Restorable<GraphicsState> {
imageData: ImageData
dirty: Region;
bank0(): Memory
bank1(): Memory
mono: (on: boolean) => void
refresh: () => void
}
export interface LoresPage extends VideoPage {
getText: () => string
}
export interface HiresPage extends VideoPage {
}
export interface VideoModes extends Restorable<VideoModesState> {
page(pageNo: number): void
blit(altData?: ImageData): boolean
reset(): void
_80col(on: boolean): void
altchar(on: boolean): void
doubleHires(on: boolean): void
enhanced(on: boolean): void
is80Col(): boolean
isAltChar(): boolean
isDoubleHires(): boolean
isHires(): boolean
isMixed(): boolean
isPage2(): boolean
isText(): boolean
}