X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=compile.asm;h=f723487f10e21d2db2aade7576dec84e4f65d392;hb=39427aee877cab09feea798b146e06dc7bfc25cc;hp=defb1acaa5dcfc25e59eac9acbe315c216b5c450;hpb=dca1b940cf2dbf0abca42ed9782013e5b3689ee1;p=rrq%2Frrqforth.git

diff --git a/compile.asm b/compile.asm
index defb1ac..f723487 100644
--- a/compile.asm
+++ b/compile.asm
@@ -41,7 +41,7 @@ p_create_COPY:
 	WORD p_allot,'ALLOT'
 	;; ( n -- )
 	;; Allocate n bytes on the heap
-	dq p_here, p_put_plus, p_exit
+	dq p_here, p_swap, p_put_plus, p_return
 	
 	WORD p_quote,"'"
 	;; ( "word" -- cfa )
@@ -50,22 +50,48 @@ p_create_COPY:
 	BRANCH 0,p_quote_end
 	dq p_tfa2cfa
 p_quote_end:
-	dq p_exit
+	dq p_return
 
 	WORD p_bracketed_quote,"[']",doforth,IMMEDIATE
 	;; Compilation ( "word" -- cfa )
 	;; Compile down " LIT value "
-	dq p_literal, p_literal, p_comma,p_quote, p_comma, p_exit
+	dq p_literal, p_literal, p_comma,p_quote, p_comma, p_return
 
-	WORD p_comma,','
-	;; ( v -- )
-	;; Put cell value onto the heap and advance "HERE"
-	dq p_here, p_literal, 8, p_get_n_increment, p_put, p_exit
+	WORD p_Ccomma,'C,',fasm
+	;; ( c -- )
+	;; Put byte value onto the heap and advance "HERE"
+	mov rax,qword [p_here_DFA]
+	pop rbx
+	mov byte [rax],bl
+	inc qword [p_here_DFA]
+	next
 
-	WORD p_Ccomma,'C,'
+	WORD p_Wcomma,'W,',fasm
 	;; ( c -- )
 	;; Put byte value onto the heap and advance "HERE"
-	dq p_here, p_Cput, p_literal, 1, p_here, p_put_plus, p_exit
+	mov rax,qword [p_here_DFA]
+	pop rbx
+	mov word [rax],bx
+	add qword [p_here_DFA],2
+	next
+
+	WORD p_Dcomma,'D,',fasm
+	;; ( d -- )
+	;; Put byte value onto the heap and advance "HERE"
+	mov rax,qword [p_here_DFA]
+	pop rbx
+	mov dword [rax],ebx
+	add qword [p_here_DFA],4
+	next
+
+	WORD p_comma,',',fasm
+	;; ( v -- )
+	;; Put byte value onto the heap and advance "HERE"
+	mov rax,qword [p_here_DFA]
+	pop rbx
+	mov qword [rax],rbx
+	add qword [p_here_DFA],8
+	next
 
 	WORD p_does,"DOES>",fasm,IMMEDIATE
 	;; ( -- )
@@ -89,12 +115,22 @@ p_quote_end:
 	add rsi,8
 	next
 
-	WORD p_literal_string,'S"',fasm,IMMEDIATE ;; " (fool emacs)
+	WORD p_literal_string,'LIT-STRING',fasm
 	;; ( -- char* n )
-	;; Save string on heap to make available at interpretation
-	;; not for interactive use!!
-	cmp qword [p_state_DFA],0
-	je p_literal_string_executing
+	;; Save NUL string length and pointer on heap to make
+	;; available at interpretation. Not for interactive use!!
+	mov rax,qword [rsi]
+	add rsi,8
+	push rsi
+	add rsi,rax
+	dec rax
+	push rax
+	next
+
+
+	WORD p_literal_string_compile,'S"',fasm,IMMEDIATE ;; " (fool emacs)
+	;; ( "..." -- )
+	;; Lay out a LIT-STRING and a NUL string with length
 	pushr rsi
 	mov rdi,qword [p_here_DFA]
 	mov qword [rdi],p_literal_string
@@ -103,9 +139,11 @@ p_quote_end:
 	DOFORTH p_double_quote
 	pop rcx
 	pop rsi
+	inc rcx			; include the terminating NUL in count
 	mov rdi,qword [p_here_DFA]
 	mov qword [rdi],rcx
 	add rdi,8
+	cld
 p_literal_string_copy:
 	dec rcx
 	jl p_literal_string_copied
@@ -116,14 +154,6 @@ p_literal_string_copied:
 	popr rsi
 	next
 	
-p_literal_string_executing:
-	mov rax,qword [rsi]
-	add rsi,8
-	push rsi
-	push rax
-	add rsi,rax
-	next
-
 	WORD p_state,'STATE',dovariable
 	;; Interpretation state (0=interpreting, 1=compiling)
 	dq 0
@@ -286,7 +316,8 @@ p_evaluate_stream_END:
 	dq p_literal, 1
 p_evaluate_stream_BAD:
 	dq p_Rgt, p_input, p_put ; restore previous stream
-	dq p_exit
+	dq p_literal,0, p_state, p_put ; set interactive mode
+	dq p_return
 
 	WORD p_colon,':'
 	;; ( -- )
@@ -299,12 +330,12 @@ p_evaluate_stream_BAD:
 	dq p_tfa2cfa
 	dq p_put
 	dq p_right_bracket
-	dq p_exit
+	dq p_return
 
 	WORD p_semicolon,';',,IMMEDIATE
 	;; ( -- )
-	;; Lay out p_exit, and set interpreting mode
-	dq p_literal, p_exit, p_comma, p_left_bracket, p_exit
+	;; Lay out p_return, and set interpreting mode
+	dq p_literal, p_return, p_comma, p_left_bracket, p_return
 
 	WORD p_immediate,'IMMEDIATE',fasm,IMMEDIATE
 	;; ( -- )
@@ -346,4 +377,4 @@ p_load_file_badfile:
 	dq p_tell, p_dot, p_nl, p_emit
 	dq p_literal,1
 p_load_file_exit:
-	dq p_exit
+	dq p_return