From 397a4d53ad7ce3aeffb14d015c199fdfe129f715 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Magalh=C3=A3es?= <joamag@gmail.com>
Date: Sun, 13 Nov 2022 23:50:36 +0000
Subject: [PATCH] fet: new ram structure
---
examples/web/gb.ts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/examples/web/gb.ts b/examples/web/gb.ts
index 5b0c961e..a34c1e6b 100644
--- a/examples/web/gb.ts
+++ b/examples/web/gb.ts
@@ -199,11 +199,21 @@ export class GameboyEmulator extends EmulatorBase implements Emulator {
this.gameBoy?.ppu_mode() === PpuMode.VBlank &&
this.gameBoy?.ppu_frame() !== lastFrame
) {
+ // updates the reference to the last frame index
+ // to be used for comparison in the next tick
lastFrame = this.gameBoy?.ppu_frame();
// triggers the frame event indicating that
// a new frame is now available for drawing
this.trigger("frame");
+
+ // @todo this has to be structureed in a better way
+ if (this.cartridge && this.cartridge.has_battery()) {
+ const ramData = this.cartridge.ram_data_eager();
+ const decoder = new TextDecoder("utf8");
+ const ramDataB64 = btoa(decoder.decode(ramData));
+ localStorage.setItem(this.cartridge.title(), ramDataB64)
+ }
}
}
@@ -289,6 +299,10 @@ export class GameboyEmulator extends EmulatorBase implements Emulator {
this.gameBoy.load_boot_default();
const cartridge = this.gameBoy.load_rom_ws(romData!);
+ // in case there's a battery involved tries to obtain
+ if (cartridge.has_battery()) {
+ }
+
// updates the ROM name in case there's extra information
// coming from the cartridge
romName = cartridge.title() ? cartridge.title() : romName;
--
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