CPU development thread

As some of you may know, I'm making my own CPU architecture. I figured I should make a thread for progress updates.

Today I'm working on asynchronous I/O. I'm not a 5cr1p+ k1dd13, so the whole thing is being done in C rather than ECMAScript (the generic name for javascript). You may be wondering, "Linux, how are you making asynchronous I/O in a language with no support for asynchronous I/O?" Well, the answer is POSIX threads. Yes, I'm doing a multi-threaded C program. Ugh

Code snippet du jour:

void *asynctestOne(void *crap)
{
pthread_mutex_lock(&olock);
printf("asunk %d times, this is test one\n", asynctests);
asynctests++;
pthread_mutex_unlock(&olock);
return(NULL);
}
void *asynctestTwo(void *crap)
{
pthread_mutex_lock(&olock);
printf("asunk %d times, this is test two\n", asynctests);
asynctests++;
pthread_mutex_unlock(&olock);
return(NULL);
}
void *asynctestThree(void *crap)
{
pthread_mutex_lock(&olock);
printf("asunk %d times, this is test three\n", asynctests);
asynctests++;
pthread_mutex_unlock(&olock);
return(NULL);
}

 

Can you post info on hardware? I find it alot more interesting, especially for a CPU architecture. I have just started working on my own architecture modelled off a real computer (northbridge, southbridge etc.), and not just a bunch off logic gates that add numbers. (well i guess thats all computers do...... So whatever) sorry if i make no sense, I am tired and trying to type with a phone.

 

It's implemented entirely in software.

 

On this note, I've just got TIS-100, such a clever little game

 

So you are simulating it?

 

Yes, it is a simulator. Unfortunately it has my real name on it, and as such, it will not be distributed on this forum

 

I totally understand.

 

I call upon the people of this forum to assist me in my asynchronous I/O quest. PM me if interested. You must know C or C++.

Thank you

 

I really don't know anything about simulating this with C, but maybe this Microsoft article could help https://msdn.microsoft.com/en-ca/library/windows/desktop/aa365683(v=vs.85).aspx.

 

Only input will be asynchronous. This is because output does not need to wait; it can be triggered whenever and it will run immediately. Input will be done in blocks, like the mainframes of old.

Code snippet du jour:

Code:

//vmz/mrl32 assembly code
_entry:

LSP 4096D
LDA &string
PSA
CLO &strPut
HLT

string: $'Hello World\n'

strPut:

XAS
DEC
XAS
PPA
XAS
ADD 2D
XAS
XAI

DCA <&strPut - 1>

getWord:

LDI <&strPut - 1>
XAI
LDR

XAI
LDI <&strput - 2>
SBT 4
JZ &incrementWordCounter

BTI <&strPut - 2>

JZ &exit

DCA 65535
IOC 1

LDI <&strPut - 2>
INC
DCA <&strPut - 2>
JMP &getWord

incrementWordCounter:

DCA <&strPut - 2>
LDI <&strPut - 1>
INC
DCA <&strPut - 1>
JMP &getWord

exit:

RET

 

Terminal input is now complete (for now). I wrote a program for the MRL32 that repeats whatever you type, then exits.