retroforth/interface/ffi.retro
crc 86191b4e12 add stack comments for block: ffi: script: and socket: words
FossilOrigin-Name: 5aeba86e15c05847c2cac75fd2606439826d8394a0d06b92cfccc4c5d9d336d5
2024-09-09 14:45:38 +00:00

38 lines
765 B
Forth

# FFI
326 void io_ffi(NgaState *vm) {
327 switch (stack_pop(vm)) {
328 case 0: open_library(vm); break;
329 case 1: map_symbol(vm); break;
330 case 2: invoke(vm); break;
331 }
332 }
333
334 void query_ffi(NgaState *vm) {
335 stack_push(vm, 0);
336 stack_push(vm, 8100); /* device type 8100 */
337 }
338 #endif
~~~
:ffi:operation (:n-?)
DEVICE:FFI io:scan-for
dup n:negative? [ drop 'Error:_FFI_device_not_found s:put nl ] if;
io:invoke ;
:ffi:open (:s-n)
#0 ffi:operation ;
:ffi:map-sym (:sn-n)
#1 ffi:operation ;
:ffi:invoke (:n-)
#2 ffi:operation ;
'interface/ffi.retro
dup 'ffi:operation d:set-source
dup 'ffi:open d:set-source
dup 'ffi:map-sym d:set-source
dup 'ffi:invoke d:set-source
drop
~~~