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designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
i have designed and built a 2 bit computer, i made a simulation of a simple 4 bit.
I did electronics before software ;)
I have a damn good understanding at a hardware level
i might add increment as well, infact i will -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
I'd love to know more about the 2-bit computer you talk about. Do you have an implementation in either hardware or software?
[QUOTE=Robin;478197]i might add increment as well, infact i will[/QUOTE] go for it. -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... =Robin;478197]i might add increment as well, infact i will ... -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... two instructions:
INC - Increment a register and continue to ... -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... indirect R7 access also auto-increment, otherwise you'll end up ... -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
[QUOTE=AndyC;479681]I said that the design of the instruction set is poor, has some obvious limitations and isn't capable of expressing even a reasonably trivial program.[/QUOTE]
Using LDA STA ADD SUB AND ORA XOR CMP BCC BCS BNE BEQ
... -
Help! Reverse engineering a Spectrum game[deleted]
... do other activities such as increment a counter or return the ... -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... 11111111b (NOT) and add one (increment). To clear a register you ... - I = 0001h (+1 used for increment)
0009h XOR A,L ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... position
; ----------------------
INC HL ; Increment position
BIT 0,H ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... position
; ----------------------
INC HL ; Increment position
BIT 0,H ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... Z80), you'd want to increment it to point to the ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... Z80), you'd want to increment it to point to the ... -
Help?Hi All, I wonder if anyone has a few minutes to look at this bit of code I'm working on. I'm trying to move to sprites and want to do it with a scr…
... it needs a 16-bit increment, as opposed to an 8 ... -bit increment.
Hope that helps ... -
Help?Hi All, I wonder if anyone has a few minutes to look at this bit of code I'm working on. I'm trying to move to sprites and want to do it with a scr…
... -bit INC HL instruction to increment the entire variable, but there ... -
Saving space...Hi Folks, Looking for ways to save some memory in a program I am writing. In a number of places I have the following code: [CODE]xxxx PAUSE 1: …
... LET A=A+1: REM Increment A[/FONT]
should ... /> [FONT="Courier New"] 1000 REM Increment A
1010 LET A ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... it
ld hl, col ; increment
inc (hl) ; the column ... the row
inc a ; increment it
cp 24 ; row ... -
Tritone - new three channel beeper music engineYes, yet another. This one provides three channels of clean and loud tone with interrupting drums. It is something between Music Box and Savage engin…
... ' in CPU clocks. 256 and increment are there to avoid numbers ... -
Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... text pointer and screen pointer - increment to next character and screen ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... it
ld hl, col ; increment
inc (hl) ; the column ... the row
inc a ; increment it
cp 24 ; row ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... the only case where the increment causes an overflow into the ... -
Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... at FRAMES1.
INC HL ; Increment lowest two bytes of counter ... />
INC (IY+$40) ; otherwise increment FRAMES3 the third byte.
Gta 5I read a snippet in Metro today that GTA V is 'well underway' and should be released next year, probably on the consoles first then ported to the PC.…
... City Stories). They didn't increment the version count until GTA ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... 't know I had to increment R register after each instruction ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... 't know I had to increment R register after each instruction ...
