O Emanuel Santos continua a desenvolver pequenos utilitários para os computadores Sinclair e Timex, desta vez trazendo-nos um gerador de sons para o chip AY.
Venham aqui descarregar Som AY-3-8192 V1.0 e deliciem-se com as música incluídas.
Venham aqui descarregar Som AY-3-8192 V1.0 e deliciem-se com as música incluídas.
it seems that the author checked the program only on Timex. on ZX, data is read from port #FFFD !!!
ResponderEliminarCoudn't follow you, it has been tested on real sinclair 128k, +2A and timex 2068. Anyway, you can't read data from ports on 128k, as they act like non attached ports, only write to...
ResponderEliminari was checking it on zx48k+AY.
ResponderEliminarAY check fails.
data written to the AY register is read from the wrong port.
Ahh, ok, that's cool. What are the register and data ports on your system? If you wat to, email me.
ResponderEliminarports same as on 128model.
ResponderEliminarat 38298 what they recorded in AY
is read from an invalid port address !!!
The port is correct, for 128k, just poke 38301, 201, you should be fine
ResponderEliminartry to perform it in a basic
ResponderEliminarout 65533,7:out 49149,63:print in 49149
this is how your program checks and this is a mistake.
correct verification
out 65533,7:out 49149,63:print in 65533
Feel free to consider it a mistake, then... :D
ResponderEliminarWell, my bad, tried to check out your method, and yes, it works fine, still kept the first aprouch thought, as I only tried Timex and +2A later. Also added support to fuller and Melodik. Cool
ResponderEliminar