apple2js/js/videomodes.ts
Will Scullin af57378852
Videomode refactor 2 (#80)
Remove globals from video implementations to allow further refactoring. Experiment with testing video modes.
2021-05-25 12:08:10 -07:00

95 lines
1.9 KiB
TypeScript

import { MemoryPages, Restorable, memory } from './types';
export type bank = 0 | 1;
export type pageNo = 1 | 2;
export interface Region {
top: number,
bottom: number,
left: number,
right: number,
}
export interface GraphicsState {
buffer: memory[];
}
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,
an3State: boolean,
flag: number,
}
export interface VideoPage extends MemoryPages, Restorable<GraphicsState> {
imageData: ImageData
dirty: Region;
bank0(): MemoryPages
bank1(): MemoryPages
refresh: () => void
}
export interface LoresPage extends VideoPage {
getText: () => string
}
export interface HiresPage extends VideoPage {
}
export interface VideoModes extends Restorable<VideoModesState> {
textMode: boolean
mixedMode: boolean
hiresMode: boolean
pageMode: pageNo
_80colMode: boolean
altCharMode: boolean
an3State: boolean
doubleHiresMode: boolean
flag: number
monoMode: boolean
context: CanvasRenderingContext2D;
page(pageNo: number): void
blit(altData?: ImageData): boolean
reset(): void
setLoresPage(page: pageNo, lores: LoresPage): void
setHiresPage(page: pageNo, lores: HiresPage): void
_80col(on: boolean): void
altChar(on: boolean): void
an3(on: boolean): void
doubleHires(on: boolean): void
hires(on: boolean): void
mixed(on: boolean): void
text(on: boolean): void
is80Col(): boolean
isAltChar(): boolean
isDoubleHires(): boolean
isHires(): boolean
isMixed(): boolean
isPage2(): boolean
isText(): boolean
mono(on: boolean): void
scanlines(on: boolean): void
getText(): string
ready: Promise<void>
}