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dmc6502 last won the day on April 16 2021
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About dmc6502
- Birthday 12/10/1955
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dmc6502 started following Where is a good location to put assembly programs? , Prog8 language and compiler topic , Will there be limits on purchases of the X16 at launch? and 3 others
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Will there be limits on purchases of the X16 at launch?
dmc6502 replied to StephenHorn's topic in X16 General Chat
I guess a related topic is: how many can be produced per day/week/month, or if it might be necessary to ration. -
I don't remember there not being a Not instruction in 6502. I must not have even needed it or it would have made an impression on me. Still it's easy enough to construct one if necessary: Not n = 255 - n, for an 8 bit number. Learned that from Brainf***.
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Wecome, fellow ham!
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Unofficial motto: 'Sachse is sexy'. Hint: it's not.
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assembly Detect clock speed on final machines?
dmc6502 replied to dmc6502's question in X16 Programming Support
Looks like I won't need to worry about it then, which is the ideal situation. -
Will it be possible to detect the clock speed setting/jumpers programatically? In case I have a program that is sensitive to processor speed, I would like to automatically adjust a delay routine so that program usage is transparent to the user. If not, I suspect that most people will be using 8Mhz anyway.
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Where is a good location to put assembly programs?
dmc6502 replied to dmc6502's question in X16 Programming Support
Thanks for the advice. About 90% of anything I will write will easily fit within 1k. I used to use the C64 Machine Language Monitor cartridge, so I'm right at home with the X16 monitor. I'll probably use that exclusively. -
Wow! That sounds facinating! Compiles a prime number generator to 54 bytes. In any other computer that would be 5 megabytes. Once I get back up to speed on 6502, I'll be all over it.
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confused about the placement of the SD card slot
dmc6502 replied to snerd's topic in X16 General Chat
In modern systems I use an SD card and even thumb drives as more or less permanent storage. But if it was the main way to load programs, I would almost certainly switch it in and out at least weekly or even several times a day if I'm actively developing something. Still not a deal breaker where ever it ends up. -
Where is a good location to put assembly programs?
dmc6502 posted a question in X16 Programming Support
A typical start address that would be familiar to most? While I don't plan to use BASIC or KERNAL, I want to stay out of those areas. Is $0400 ok? -
I-30, 635, Hwy 121. All under perpetual construction. Already obsolete before construction began.
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That's not unusual. Lots of people have lived in Dallas their whole life and never heard of Sachse.
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Well, technically I'm in Sachse, which is basically Garland.
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Glad to see another oldtimer!
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I predict the second 8 bit revolution.