FAQ Database Discussion Community


JavaCard applet emulating DESFireEV1

smartcard,javacard,mifare,emulation
My question is simple: is there any existing opensource JavaCard applet emulating the functionality of Mifare DESFireEV1? (the API would have to be a little modified, of course, Select Application 112233 would be for example 80 5A 00 00 03 33 22 11 00 instead of native DESFire command 5A...

GWT: how to use Locale.ENGLISH in client side?

java,gwt,locale,emulation
I have a legacy class which contains toLowerCase( Locale.ENGLISH ) And when I use this class in my client side, I gets [ERROR] [onboardingtool] Line 37: The method toLowerCase() in the type String is not applicable for the arguments (Locale) But when I check GWT doc, it seems like ROOT,...

Is there any way to transparently share another machine's monitor over IP? (like virtual KVMs share mouse/keyboard) [closed]

ip,emulation,multiple-monitors
Context 1 PC (Win7) 1 Laptop (Win8) 1 Monitor with multiple inputs, switchable via button on monitor (both machines connected) Problem Laptop has 2 screens running, but it would be useful to use the desktop machine as well without having to wait ~2s for the monitor to switch inputs. If...

Does QEMU emulate TLB?

x86,qemu,emulation,tlb,device-emulation
I have a very simple question, does QEMU emulate TLB? What happens when a guest linux system executes an "invlpg" instruction as it is for the invalidation of a TLB entry. I am aware that QEMU has softmmu link which is used for translating the guest virtual address to host...

Could this shift/jump be faster than switch…case statement?

assembly,x86,switch-statement,emulation,opcodes
I'm trying to optimize a branch (a switch...case like) at its max to emulate an X CPU on an x86 CPU. I thought of this: In memory I'll load blocks of x86 opCodes with a fixed length of 0x100 bytes, like this: first block 0 ...[my code, jump at 0x10000,...

Using IPEGA bluetooth gamepad with Retropie

bluetooth,raspberry-pi,emulation,bluez
I'm trying to configure my Ipega PG-9025 with Retropie with no succeed. I made some progress following this link (http://askubuntu.com/questions/608386/using-ipega-bluetooth-gamepad-with-steam-linux) but it only works at Emulation Station menu... The gamepad stops working in every emulation system and also gives me some problems pairing and reconnecting my device. Has someone any...

6502 and little-endian conversion

emulation,6502
For fun I'm implementing an NES emulator. I'm currently reading through documentation for the 6502 CPU and I'm a little confused. I've seen documentation stating because the 6502 is little-endian so when using absolute addressing mode you need to swap the bytes. I'm writing this on an x86 machine which...