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Re: Overview of 6502-like cores, hard, soft, partial, overbl
Posted: Mon Oct 14, 2019 1:33 am
by brain
Is the MOS 6500/1 represented? It's in the 1520 plotter, among other things.
Re: Overview of 6502-like cores, hard, soft, partial, overbl
Posted: Mon Oct 14, 2019 10:10 am
by Chromatix
Those used the same core as early 6502s, didn't they? Just a different bond-out to the pins.
Re: Overview of 6502-like cores, hard, soft, partial, overbl
Posted: Sun Oct 20, 2019 12:38 am
by brain
Yes, it's a 6502 core, but it's a full uC, with ROM and RAM, like some of the other variants listed in the table:
https://e4aws.silverdr.com/hacks/6500_1/
Re: Overview of 6502-like cores, hard, soft, partial, overbl
Posted: Sat Jun 13, 2020 12:07 am
by JimBoyd
MOS MPS6510 (1981) - 1&2MHz - 151 opcodes, external clock, 64KB address space, IRQ¤, AEC (Address/Databus Enable), 256Byte RAM, IO port
¤ The NMOS variant of 6510 has no NMI
To the best of my knowledge, the mos 6510 did not have a CMOS version.
The 6510 was used in the Commodore 64 which came out in 1982. The C64 had the RESTORE key wired through half of a 556 timer and an inverter then directly to the microprocessor's NMI line on pin 4.
Re: Overview of 6502-like cores, hard, soft, partial, overbl
Posted: Wed Jul 21, 2021 2:50 am
by kakemoms
MOS MPS6510 (1981) - 1&2MHz - 151 opcodes, external clock, 64KB address space, IRQ¤, AEC (Address/Databus Enable), 256Byte RAM, IO port
¤ The NMOS variant of 6510 has no NMI
To the best of my knowledge, the mos 6510 did not have a CMOS version.
The 6510 was used in the Commodore 64 which came out in 1982. The C64 had the RESTORE key wired through half of a 556 timer and an inverter then directly to the microprocessor's NMI line on pin 4.
Nor is it stated that there is any CMOS variant. There is a NMOS and a later HMOS variant. The NMOS datasheet from 1982 shows no NMI line.