Annotation of gforth/code.fs, revision 1.1
1.1 ! anton 1: \ ASSEMBLER, CODE etc.
! 2:
! 3: \ does not include the actual assembler (which is machine-dependent),
! 4: \ only words like CODE that are implementation-dependent, but can be
! 5: \ defined for all machines.
! 6:
! 7: vocabulary assembler ( -- ) \ tools-ext
! 8:
! 9: : init-asm ( -- )
! 10: also assembler ;
! 11:
! 12: : code ( -- colon-sys ) \ tools-ext
! 13: \ start a native code definition
! 14: header here >body cfa, defstart init-asm ;
! 15:
! 16: : (;code) ( -- ) \ gforth
! 17: \ execution semantics of @code{;code}
! 18: r> lastxt code-address! ;
! 19:
! 20: : ;code ( colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code
! 21: ( create the [;code] part of a low level defining word )
! 22: state @
! 23: IF
! 24: ;-hook postpone (;code) ?struc postpone [
! 25: ELSE
! 26: align here lastxt code-address!
! 27: THEN
! 28: defstart init-asm ; immediate
! 29:
! 30: : end-code ( colon-sys -- ) \ gforth end_code
! 31: ( end a code definition )
! 32: lastxt here over - flush-icache
! 33: previous ?struc reveal ;
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