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| -rw-r--r-- | todo.org | 41 |
1 files changed, 17 insertions, 24 deletions
@@ -35,37 +35,30 @@ Something to consider is /static/ and /dynamic/ "linking" i.e.: + 63 bit references user code (not a lot of loss in precision) + Easy to check if a reference is a library reference or a user code reference by checking "sign bit" (negativity) -* TODO Inlining subroutines :ASM: -Essentially consider the following situation +* TODO Preprocessing directives :ASM: +Like in FASM or NASM where we can give certain helpful instructions to +the assembler. I'd use the ~%~ symbol to designate preprocessor +directives. +** TODO Constants +Essentially a directive which assigns some literal to a symbol as a +constant. Something like #+begin_src asm - global _start -a: - push.word 1 - push.word 1 - plus.word - print.word - ret -_start: - call a - halt +%const:n:20%end #+end_src -What I'd like to be able to do is: + +Where you'd refer to the definition using ~$n~. The assembler will +look for symbols like ~$n~ and insert definitions it finds for them. +Can be useful when defining data type bounds and other useful constants. + +2023-11-04: You could even put full program instructions for a +constant potentially #+begin_src asm - global _start -%inline:a: +%const:print-1: push.word 1 - push.word 1 - plus.word print.word - ret %end -_start: - %inline a - halt #+end_src -This is equivalent in LOC, but in terms of the actually output -instructions the second is smaller in size, doesn't use any jumps nor -does it use the call stack. As a result it's a linear program. +which when referred to ~$print-1~ would just insert the bytecode given inline. * Completed ** DONE Write a label/jump system :ASM: Essentially a user should be able to write arbitrary labels (maybe |