X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=rrqforth.asm;h=18009d41bfba8f75f5b7afef2463f89988bf10e6;hb=97bcab28825fde3e717ac5489b0f3f19e5e3f5db;hp=f7f310af30754fd9f506a5ee51c1dc6f7b069853;hpb=bf67023324b2a0c5723dd3167ef757209ba62e01;p=rrq%2Frrqforth.git

diff --git a/rrqforth.asm b/rrqforth.asm
index f7f310a..18009d4 100644
--- a/rrqforth.asm
+++ b/rrqforth.asm
@@ -73,7 +73,7 @@ dostring:
 	pushpname rax
 	next
 
-	WORD p_calltrace,'calltrace',dovalue
+	WORD p_calltrace,'[calltrace]',dovalue
 	;; Common call point for debugging
 	;; rax = cfa of called word
 	;; rsi = cell* of next forth word
@@ -106,6 +106,8 @@ DS_TOP:				; The initial rsp
 
 	;segment readable executable
 
+include 'signals.asm'
+
 ;;; At fasm compilation: reset previous_word to make a new word list
 ;;; Words above belong to the SYSTEM wordlist, and the following
 ;;; belong to the FORTH wordlist.
@@ -131,7 +133,12 @@ previous_word = 0
 	pop rax
 	jmp qword [rax]		; goto code of that FORTH word (64 bit jump)
 	
-	WORD p_exit, 'EXIT',fasm
+	WORD p_sysexit, 'EXIT',
+	;; ( v -- )
+	;; Terminate RRQFORTH with error code
+	dq sys_exit
+
+	WORD p_return, 'RETURN',fasm
 	;; ( -- ) ( R: addr -- )
 	;; Returns execution to the calling definition as per the
 	;; return stack.
@@ -159,10 +166,11 @@ include 'stack.asm'
 include 'math.asm'
 include 'logic.asm'
 include 'stdio.asm'
+include 'temp.asm'
 include 'compile.asm'
 
 	WORD p_program_version,'PROGRAM_VERSION',dostring
-	STRING 'RRQ Forth version 0.1 - 2021-05-22',10
+	STRING 'RRQ Forth version 0.1 - 2021-06-05',10
 
 	WORD p_stdin,'STDIN',dovalue
 	;; Initialised to hold a STREAM for fd 0
@@ -179,7 +187,7 @@ include 'compile.asm'
 	WORD p_lparen,'(',fasm,IMMEDIATE
 	pushr rsi
 p_lparen_loop:
-	DOFORTH  p_stdin, p_read_word
+	DOFORTH  p_input, p_get, p_read_word
 	pop rax
 	pop rbx
 	cmp rax,0 ; end of stream
@@ -187,7 +195,7 @@ p_lparen_loop:
 	cmp rax,1
 	jne p_lparen_loop
 	push rbx
-	push qword ')'
+	push p_lparen_rparen
 	push 1
 	DOFORTH p_strncmp
 	pop rax
@@ -196,7 +204,8 @@ p_lparen_loop:
 p_lparen_exit:
 	popr rsi
 	next
-	
+p_lparen_rparen: db ')',0
+
 ;;; ******** The main entry point. ********
 ;;; This could be set up as a WORD but it isn't
 
@@ -204,6 +213,8 @@ main:
 	;; Initial rsp points to the arguments block of size (64 bits)
 	;; followed by the argument pointers.
 	mov qword [p_args_DFA],rsp
+	mov rbp,RS_TOP
+	call p_setup_signals_DFA
 	call main_is_verbose
 	mov qword [p_verboseQ_DFA],rdx
 	jmp p_quit_DFA 		; QUIT
@@ -212,13 +223,11 @@ main:
 	;; return boolean in rdx
 	;; implementation for that 2 byte asciiz string
 main_is_verbose_data:
-	dq main_is_verbose_data_end - $	; length of data 
 	db '-v',0
-main_is_verbose_data_end:
 
 main_is_verbose:
 	mov rbx,qword [p_args_DFA] ; Pointer to main arguments
-	mov r8,qword [rbx]
+	mov r8,qword [rbx]	   ; r8 = count of pointers
 	xor rdx,rdx
 	cld
 main_is_verbose_next:
@@ -227,22 +236,55 @@ main_is_verbose_next:
 	add rbx,8
 	mov rsi,qword [rbx]
 	mov rdi,main_is_verbose_data
-	lodsq
-	mov rcx,rax
 main_is_verbose_loop:
 	cmpsb
 	jne main_is_verbose_next
-	dec rcx
-	jg main_is_verbose_loop
+	cmp byte[rsi-1],0
+	jne main_is_verbose_loop
 	not rdx
 main_is_not_verbose:
 	ret
 
+	WORD p_process_args_var,'PROCESS-ARGS-VAR',dovariable
+	;; ( -- a )
+	;; Two cells for iterating and load the main args
+p_process_args_ptr: dq 0
+p_process_args_end: dq 0
+	
+	WORD p_process_args,'PROCESS-ARGS',fasm
+	pushr rsi
+	mov rax,qword [p_args_DFA] ; args*
+	mov rbx,qword [rax] ; count
+	shl rbx,3
+	add rax,8
+	add rbx,rax ; end
+	mov qword [p_process_args_end],rbx
+	add rax,8
+	mov qword [p_process_args_ptr],rax
+p_process_args_loop:
+	mov rax,qword [p_process_args_ptr]
+	cmp rax,qword [p_process_args_end]
+	jge p_process_args_done
+	add qword [p_process_args_ptr],8
+	mov rax,qword [rax]
+	mov bl,[rax]
+	cmp bl,'-'
+	je p_process_args_loop
+	push rax
+	push rax
+	FORTH
+	dq p_strlen, p_load_file
+	BRANCH 0, p_quit_ERROR
+	ENDFORTH
+	jmp p_process_args_loop
+p_process_args_done:
+	popr rsi
+	next
+	
 ;;; This word is also the last word before syscalls
 last_forth_word:
 	WORD p_quit,'QUIT',fasm
 	;; QUIT is the program entry point ********************
-
 	mov rsp,DS_TOP
 	mov rbp,RS_TOP
 	cmp qword [p_stdin_DFA],0
@@ -252,34 +294,27 @@ last_forth_word:
 	push 10000
 	DOFORTH p_stream
 	pop qword [p_stdin_DFA]	; Assign STDIN
+	DOFORTH p_process_args
 
 p_quit_INITIALIZED:
-	;; Initial blurb
+	;; Setup INPUT from STDIN
 	FORTH
-	dq p_verboseQ
-	dq p_get
+	dq p_verboseQ, p_get
 	BRANCH 0,p_quit_EVAL
-	dq p_program_version
-	dq p_tell
+	dq p_program_version, p_tell
 p_quit_EVAL:
-	dq p_stdin
-	dq p_evaluate_stream
+	dq p_stdin, p_evaluate_stream
 	BRANCH 0,p_quit_ERROR
-	dq p_false
-	dq sys_exit
+	dq p_false, sys_exit
 p_quit_ERROR:
 	dq p_literal_string
 	STRING 10,'*** Unknown word: '
 	dq p_tell
-	dq p_this_word
-	dq p_2get
-	dq p_tell
-	dq p_literal_string
-	STRING 10
-	dq p_tell
+	dq p_this_word, p_2get, p_tell
+	dq p_nl, p_emit
 	ENDFORTH
 	mov rbp,RS_TOP		; reset the return stack
-	jmp main
+	jmp p_quit_INITIALIZED
 
 ;;; ========================================