Gebea Release 4

posted in Emulator Release by mfc on Sep 17th, 2004

Gebea, a rapidly progressing GBA emulator for Windows, has been updated today! Here is what's new:
  • CPU: Changed flag updates for instructions only affecting N and Z
  • CPU: All unsigned LDRH instructions now set the upper 16 bits to zero
  • CPU: r15 is pc+12 when used as an operand in a dataproc instruction with register-specified shift
  • CPU: r15 is pc+12 when used as the source register in an STR/STRH instruction
  • CPU: Fixed the carry flag for a bunch of instructions
  • CPU: Added ROR#0 (RRX)
  • CPU: Fixed initial state of flags
  • CPU: Fixed LDR instruction with r15 as Rd
  • GPU: Fixed the mode 3 scanline renderer
  • GPU: Added mode 5 support, with rotation and scaling
  • MMU: Added timer support (timer 2 and 3, prescalar mode)
You can download this from our GBA for Windows/DOS section.