X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=rrqforth.asm;h=18009d41bfba8f75f5b7afef2463f89988bf10e6;hb=ef492db3b89ae7e0fe6317d3a1d0e727c28bf8ca;hp=f0ef63a248c087fb61bb38474fbe5faabbd0d879;hpb=97a4e5ecb1623dbe0fbd7b6eeb96e966c6c5b1d3;p=rrq%2Frrqforth.git

diff --git a/rrqforth.asm b/rrqforth.asm
index f0ef63a..18009d4 100644
--- a/rrqforth.asm
+++ b/rrqforth.asm
@@ -133,7 +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.
@@ -161,10 +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
@@ -189,7 +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
@@ -198,7 +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
 
@@ -238,6 +245,42 @@ main_is_verbose_loop:
 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
@@ -251,30 +294,24 @@ last_forth_word:
 	push 10000
 	DOFORTH p_stream
 	pop qword [p_stdin_DFA]	; Assign STDIN
+	DOFORTH p_process_args
 
 p_quit_INITIALIZED:
 	;; 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, 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 p_quit_INITIALIZED