version 1.88, 2002/01/04 20:31:53
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version 1.93, 2002/06/02 10:31:28
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Line 53
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Line 53
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\ your code does not fall through, the results are not stored into the |
\ your code does not fall through, the results are not stored into the |
\ stack. Use different names on both sides of the '--', if you change a |
\ stack. Use different names on both sides of the '--', if you change a |
\ value (some stores to the stack are optimized away). |
\ value (some stores to the stack are optimized away). |
\ |
\ |
\ |
\ For superinstructions the syntax is: |
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\ |
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\ forth-name [/ c-name] = forth-name forth-name ... |
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\ |
\ |
\ |
\ The stack variables have the following types: |
\ The stack variables have the following types: |
\ |
\ |
\ name matches type |
\ name matches type |
\ f.* Bool |
\ f.* Bool |
\ c.* Char |
\ c.* Char |
\ [nw].* Cell |
\ [nw].* Cell |
\ u.* UCell |
\ u.* UCell |
\ d.* DCell |
\ d.* DCell |
\ ud.* UDCell |
\ ud.* UDCell |
Line 1356 a_addr = (Cell *)DOES_CODE(xt);
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Line 1359 a_addr = (Cell *)DOES_CODE(xt);
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code-address! ( c_addr xt -- ) gforth code_address_store |
code-address! ( c_addr xt -- ) gforth code_address_store |
""Create a code field with code address @i{c-addr} at @i{xt}."" |
""Create a code field with code address @i{c-addr} at @i{xt}."" |
MAKE_CF(xt, c_addr); |
MAKE_CF(xt, c_addr); |
CACHE_FLUSH(xt,(size_t)PFA(0)); |
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: |
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! ; |
! ; |
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Line 1364 does-code! ( a_addr xt -- ) gforth does
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Line 1366 does-code! ( a_addr xt -- ) gforth does
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""Create a code field at @i{xt} for a child of a @code{DOES>}-word; |
""Create a code field at @i{xt} for a child of a @code{DOES>}-word; |
@i{a-addr} is the start of the Forth code after @code{DOES>}."" |
@i{a-addr} is the start of the Forth code after @code{DOES>}."" |
MAKE_DOES_CF(xt, a_addr); |
MAKE_DOES_CF(xt, a_addr); |
CACHE_FLUSH(xt,(size_t)PFA(0)); |
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dodoes: over ! cell+ ! ; |
dodoes: over ! cell+ ! ; |
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Line 1372 does-handler! ( a_addr -- ) gforth does_
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Line 1373 does-handler! ( a_addr -- ) gforth does_
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""Create a @code{DOES>}-handler at address @i{a-addr}. Normally, |
""Create a @code{DOES>}-handler at address @i{a-addr}. Normally, |
@i{a-addr} points just behind a @code{DOES>}."" |
@i{a-addr} points just behind a @code{DOES>}."" |
MAKE_DOES_HANDLER(a_addr); |
MAKE_DOES_HANDLER(a_addr); |
CACHE_FLUSH((caddr_t)a_addr,DOES_HANDLER_SIZE); |
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drop ; |
drop ; |
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Line 2412 a_addr = (Cell *)(up+u);
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Line 2412 a_addr = (Cell *)(up+u);
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compile-prim ( xt1 -- xt2 ) new compile_prim |
compile-prim ( xt1 -- xt2 ) new compile_prim |
xt2 = (Xt)compile_prim((Label)xt1); |
xt2 = (Xt)compile_prim((Label)xt1); |
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lit@ / lit_fetch = lit @ |
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lit-perform ( #a_addr -- ) new lit_perform |
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ip=IP; |
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SUPER_END; |
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EXEC(*(Xt *)a_addr); |
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lit+ / lit_plus = lit + |
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does-exec ( #a_cfa -- R:nest a_pfa ) new does_exec |
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a_pfa = PFA(a_cfa); |
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nest = (Cell)ip; |
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IF_spTOS(spTOS = sp[0]); |
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#ifdef DEBUG |
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{ |
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CFA_TO_NAME(a_cfa); |
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fprintf(stderr,"%08lx: does %08lx %.*s\n", |
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(Cell)ip,(Cell)a_cfa,len,name); |
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} |
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#endif |
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SET_IP(DOES_CODE1(a_cfa)); |
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include(peeprules.vmg) |
include(peeprules.vmg) |
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\+ |
\+ |