joka.wasm4

The wasm4 module provides variables and functions available in WASM-4.

var blit1Bpp blit2Bpp blitFlipX blitFlipY blitRotate button1 button2 buttonDown buttonLeft buttonRight buttonUp drawColors fontSize framebuffer gamepad1 gamepad2 gamepad3 gamepad4 mouseButtons mouseLeft mouseMiddle mouseRight mouseX mouseY netplay palette screenSize systemFlags systemHideGamepadOverlay systemPreserveFramebuffer toneMode1 toneMode2 toneMode3 toneMode4 toneNoise toneNoteMode tonePanLeft tonePanRight tonePulse1 tonePulse2 toneTriangle wasm4

fn blit blitSub diskr diskw hline importName line oval rect text tone trace tracef vline

Functions 14

private fnllvmAttr importName(immutable(char)[] name)

fnvoid blit(const ubyte * data, int x, int y, uint width, uint height, uint flags) @importName("blit")Copies pixels to the framebuffer.

void blitSub(
         const  ubyte *  data,  int  x,  int  y,  uint  width,  uint  height,
         uint  srcX,  uint  srcY,  uint  stride,  uint  flags,
    )

@importName("blitSub")Copies a subregion within a larger sprite atlas to the framebuffer.

fnvoid line(int x1, int y1, int x2, int y2) @importName("line")Draws a line between two points.

fnvoid hline(int x, int y, uint len) @importName("hline")Draws a horizontal line.

fnvoid vline(int x, int y, uint len) @importName("vline")Draws a vertical line.

fnvoid oval(int x, int y, uint width, uint height) @importName("oval")Draws an oval (or circle).

fnvoid rect(int x, int y, uint width, uint height) @importName("rect")Draws a rectangle.

fnvoid text(const char * text, int x, int y) @importName("text")Draws text using the built-in system font.

fnvoid tone(uint frequency, uint duration, uint volume, uint flags) @importName("tone")Plays a sound tone.

fnuint diskr(void * dest, uint size) @importName("diskr")Reads up to `size` bytes from persistent storage into the pointer `destPtr`.

fnuint diskw(const void * src, uint size) @importName("diskw")Writes up to `size` bytes from the pointer `srcPtr` into persistent storage.

fnvoid trace(const char * str) @importName("trace")Prints a message to the debug console.

fnvoid tracef(const char * fmt, ...) @importName("tracef")Prints a message to the debug console.

Variables 42

enumvarwasm4 = llvmAttr("wasm-import-module", "env")

The WASM-4 import module.

enumvarscreenSize = 160

enumvarfontSize = 8

enumvarpalette = cast(uint *) 0x04

enumvardrawColors = cast(ushort *) 0x14

enumvargamepad1 = cast(const ubyte *) 0x16

enumvargamepad2 = cast(const ubyte *) 0x17

enumvargamepad3 = cast(const ubyte *) 0x18

enumvargamepad4 = cast(const ubyte *) 0x19

enumvarmouseX = cast(const short *) 0x1a

enumvarmouseY = cast(const short *) 0x1c

enumvarmouseButtons = cast(const ubyte *) 0x1e

enumvarsystemFlags = cast(ubyte *) 0x1f

enumvarnetplay = cast(const ubyte *) 0x20

enumvarframebuffer = cast(ubyte *) 0xa0

enumvarbutton1 = 1

enumvarbutton2 = 2

enumvarbuttonLeft = 16

enumvarbuttonRight = 32

enumvarbuttonUp = 64

enumvarbuttonDown = 128

enumvarmouseLeft = 1

enumvarmouseRight = 2

enumvarmouseMiddle = 4

enumvarsystemPreserveFramebuffer = 1

enumvarsystemHideGamepadOverlay = 2

enumvarblit2Bpp = 1

enumvarblit1Bpp = 0

enumvarblitFlipX = 2

enumvarblitFlipY = 4

enumvarblitRotate = 8

enumvartonePulse1 = 0

enumvartonePulse2 = 1

enumvartoneTriangle = 2

enumvartoneNoise = 3

enumvartoneMode1 = 0

enumvartoneMode2 = 4

enumvartoneMode3 = 8

enumvartoneMode4 = 12

enumvartonePanLeft = 16

enumvartonePanRight = 32

enumvartoneNoteMode = 64