Hi all,
In celebration of GEM's 10th anniversary, GEM v1.0 (and v1.01) was
released. With a small amount of frameskip, most games play fast enough
to be enjoyed and many even run at full speed!
Changes since previous version:
- Greatly improved sound emulation.
* Emulated sound lengths.
* Conversion of GB linear to PSG logarithmic volumes.
* Noise channel emulation on PSG.
* Added proper SCC emulation of the GB wave channel.
* Removed problematic PSG emulation of the GB wave channel.
* SCC support with accurate emulation of waveforms.
* Emulated volume envelopes.
* Partially emulated pitch sweep register.
- Greatly improved Dynamic Recompiler.
* Cache purging.
* Block chaining.
* Lazy evaluation of CPU registers.
* Optimized block loops.
* Static CPU simulation for improved code quality.
* Optimized block epilogue.
* Extended blocks beyond conditional jumps.
* Memory segment tracking.
* Optimized cache handling.
* Optimized memory access.
* Optimized I/O access.
- Greatly improved memory management.
* External Memory Mapper support. Large games finally work on MSX
turboR!
* Rewrote loading and startup.
* Proper DOS2 memory handling, GEM now works in all DOS2 environments.
- Removed F5 key sound switch from configuration mode.
- Optimized GB Sprite DMA.
Greetz,
Patriek
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