3 ms·
Tandy PC compatibles (and the IBM PCjr) used the same chip. (Modulo differences in the RNG for the noise channel)
by andrewf 6y ago
Tandy PC compatibles (and the IBM PCjr) used the same chip. (Modulo differences in the RNG for the noise channel)
- glhaynes 6y agoWhy would it differ in the RNG, I wonder?
- andrewf 6y agoDifferent versions of the chip (different manufacturers, integrated into a larger IC..) just laid the RNG out a bit differently, I'm not sure what the reasons were. There's a detailed comment at the top of MAME's emulation code for these chips (and a lot of parameters on the emulator's class constructor): https://github.com/mamedev/mame/blob/master/src/devices/sound/sn76496.cpp https://github.com/mamedev/mame/blob/master/src/devices/soun...