Great deep Tutorials ... for the first time in my life a programmer explains in an understandable way how programming really works... i hope some day you make more videos =) and thanks for sharing..
muchísimas gracias por el canal ! he vuelto hace unos meses a programar en 8 bits con código máquina, pero c64 era desconocido para mí, soy conocedor de z80 de zx spectrum y msx y con tu canal ahora será magnífico hacerlo en c64 con 6502 gracias !! awesome work with the channel
I think it's a LOT more fun, though, to make the C-64 do things like cycle through all the possible border colors and cycle through all the possible C-64 characters on the top left corner of the screen. To do the latter, here's what you type into the assembler: a 1000 (assuming you want to start your Machine Language program at Hex address 1000) inc $0400 jmp $1000 Back in BASIC, you run this program by typing in: SYS 4096 Now to do the border-color-cycling: a 1000 inc $d020 jmp $1000 Again, type SYS 4096 to execute the program. Another safe location to place your ML program in is Hex c000 (which in 49152 in Decimal). To run an ML program at that address, you type SYS 49152
no-one mentioned it. But when you changed #$01 to #$10 (saying ten) it actually changed the value to 17 (10 in hexadecimal). Hence the border went to black and not to pink as some may expect.
THE RETRO PROGRAMMER, ** --- What are the differences between 6502 assembly language, Z80 Assembly Language compared to Machine language? Are they the same thing or whats the differences? Basic Language has a compiler that converts the basic language into machine language code. A Language converts machine code into what?
The assembler are using mnemonics for an instruction set with or without operands and with some addressing modes of a CPU for to build the operating mashine code. It convert mnemonics into opcodes. Each assembly language is specific to a particular computer architecture. Assembly language uses a mnemonic to represent each low-level machine instruction or opcode, typically also each architectural register, flag, etc. Many operations require one or more operands in order to form a complete instruction. Most assemblers permit named constants, registers, and labels for program and memory locations, and can calculate expressions for operands. Thus, the programmers are freed from tedious repetitive calculations and assembler programs are much more readable than machine code. Depending on the architecture, these elements may also be combined for specific instructions or addressing modes using offsets or other data as well as fixed addresses. Many assemblers offer additional mechanisms to facilitate program development, to control the assembly process, and to aid debugging.
I like the thoroughness of your approach, although I would've probably gone with a crossassembler like Kick Assembler instead of TMP, it's a lot friendlier to new users than using an assembler on the real machine. I also enjoyed the oopsie with color #$10 at the end :)
@@bierundkippen720 Cross-assembly means assembling on one machine into the instruction set of another machine. He probably means getting a modern 6502 assembler for your X86 pc and assembling to 6502.
Found Hyper-Ass csdb.dk/release/?id=111993 I have spend many hours and nights with that program but even more with the debugger. It surprices me that the program defaulted to 1000 and not c000
![The [Fill in the Blank] Programmer](http://yt3.ggpht.com/cS66J1MTcSHArKeR1P55Jb0jf8Za5UvU1pVmZwAneXkIgv5zbt4spiHD2SXNwfEhkkDXTvF77g=s48-c-k-c0x00ffffff-no-rj)
Great deep Tutorials ... for the first time in my life a programmer explains in an understandable way how programming really works... i hope some day you make more videos =) and thanks for sharing..
Your explanation is very clear and easy to understand! Please make more videos!!!
I was look forward to episode 4.
muchísimas gracias por el canal ! he vuelto hace unos meses a programar en 8 bits con código máquina, pero c64 era desconocido para mí, soy conocedor de z80 de zx spectrum y msx y con tu canal ahora será magnífico hacerlo en c64 con 6502 gracias !! awesome work with the channel
Wow that’s brilliant . I like the idea of writing the assembly on the actual 64 instead of on a pc/Mac . Thank you
You make assembly seem so simple :) Looking forward to the next episode.
It's literally almost the most simple thing you could do - which is what makes it hard to do it well. :)
it's lots of fun. I used to make my C64 freeze and crash in lots of weird ways.
Is assembly simpler than C? I'm still not sure. It depends on the machine I guess
I think it's a LOT more fun, though, to make the C-64 do things like cycle through all the possible border colors and cycle through all the possible C-64 characters on the top left corner of the screen. To do the latter, here's what you type into the assembler:
a 1000 (assuming you want to start your Machine Language program at Hex address 1000)
inc $0400
jmp $1000
Back in BASIC, you run this program by typing in: SYS 4096
Now to do the border-color-cycling:
a 1000
inc $d020
jmp $1000
Again, type SYS 4096 to execute the program.
Another safe location to place your ML program in is Hex c000 (which in 49152 in Decimal). To run an ML program at that address, you type SYS 49152
Thank you for these vids, i hope the series will continue!
no-one mentioned it. But when you changed #$01 to #$10 (saying ten) it actually changed the value to 17 (10 in hexadecimal). Hence the border went to black and not to pink as some may expect.
Actually hex 10 is decimal 16, but your point holds because the least significant nibble is zero, so the corresponding color will be black.
Why did you stop making these videos?
Good series. I'd like to see them continue, too.
Great videos, too bad it's the last one. I've expanded my knowledge of the C64 a bit more, so thank you for that.
It took me a while to understand this and then I found this video 😁
WOW, I really like those 3 episodes of programming, specially ASM... Why did you stop???? You are awesome at teaching in this....
Waiting a lot on next episode
THE RETRO PROGRAMMER,
** --- What are the differences between 6502 assembly language, Z80 Assembly Language compared to Machine language? Are they the same thing or whats the differences?
Basic Language has a compiler that converts the basic language into machine language code.
A Language converts machine code into what?
The assembler are using mnemonics for an instruction set with or without operands and with some addressing modes of a CPU for to build the operating mashine code. It convert mnemonics into opcodes. Each assembly language is specific to a particular computer architecture. Assembly language uses a mnemonic to represent each low-level machine instruction or opcode, typically also each architectural register, flag, etc. Many operations require one or more operands in order to form a complete instruction. Most assemblers permit named constants, registers, and labels for program and memory locations, and can calculate expressions for operands. Thus, the programmers are freed from tedious repetitive calculations and assembler programs are much more readable than machine code. Depending on the architecture, these elements may also be combined for specific instructions or addressing modes using offsets or other data as well as fixed addresses. Many assemblers offer additional mechanisms to facilitate program development, to control the assembly process, and to aid debugging.
Any chance you will continue this series?
More episodes coming?
You don’t even need to use RTS since there was no JSR command. A simple BRK would’ve sufficed.
pleassseeee make more videos!!!
Tried to run this on the final cart using g2000, got a syntax error
What were you typing on? It didn't sound like a C64. Were you using an emulator and typing on a normal keyboard? Sounded like a Mac, possibly.
Is it possible with Turbo Macro Pro to import pure code from memory, not just data?
Pressing left and 3 together doesn't assemble the code. It's actually left and F3.
I like the thoroughness of your approach, although I would've probably gone with a crossassembler like Kick Assembler instead of TMP, it's a lot friendlier to new users than using an assembler on the real machine. I also enjoyed the oopsie with color #$10 at the end :)
Jason Turner What’s the difference, Jason? Could you explain, please?
@@bierundkippen720
Cross-assembly means assembling on one machine into the instruction set of another machine. He probably means getting a modern 6502 assembler for your X86 pc and assembling to 6502.
achieved the same with final cart 3.
More please Governor
8*4096 isn't working. Using WinVice btw
Found Hyper-Ass
csdb.dk/release/?id=111993
I have spend many hours and nights with that program but even more with the debugger.
It surprices me that the program defaulted to 1000 and not c000
I thought Indians created Silicon Valley. You mean we were lied to?
actually it is:
Return To Subroutine
be careful with those well actuallys
Actually it is ReTurn from Subroutine:
www.6502.org/tutorials/6502opcodes.html#RTS
Nicolai Czempin you're right, since it is used at the end of a subroutine, meaning you are returning from it.
8*4096 isn't working. Using WinVice btw
I got WinVice too and 8*4096 works fine. did you click the wrong EXE file?