fixed NUMBER
[rrq/rrqforth.git] / compile.asm
index be4f6526e9db02d510326ed9faa941592acf4329..d06913876a00feab6e6a6a2d74815cc3166b1f7c 100644 (file)
@@ -119,8 +119,66 @@ p_create_COPY:
        mov qword[p_state_DFA],1
        next
 
-       WORD p_number,'NUMBER'
+       WORD p_base,'BASE',dovariable
+       dq 10
+
+       WORD p_decimal,'DECIMAL',fasm
+       ;; ( -- )
+       ;; Set BASE to 10
+       mov qword [p_base_DFA],10
+       next
+
+       WORD p_hex,'HEX',fasm
+       ;; ( -- )
+       ;; Set BASE to 16
+       mov qword [p_base_DFA],16
+       next
+
+       WORD p_number,'NUMBER',fasm
        ;; ( chars* n -- [ 0 ]/[ v 1 ] )
+       pushr rsi
+       pop rcx                 ; ( -- chars* )
+       pop rsi                 ; ( -- )
+       xor rdi,rdi
+p_number_LOOP:
+       dec rbx
+       jl p_number_DONE
+       lodsb
+       mov bl,al               ; into bl
+       cmp bl,'0'
+       jl p_number_BAD
+       cmp bl,'9'
+       jg p_number_ALPHA
+       sub bl,'0'
+p_number_CONSUME:
+       mov rax,rdi
+       mul qword [p_base_DFA]
+       add rax,rbx
+       mov rdi,rax
+       jmp p_number_LOOP
+p_number_ALPHA:
+       cmp bl,'A'
+       jl p_number_BAD
+       cmp bl,'Z'
+       jg p_number_alpha
+       sub bl,'A'-10
+       jmp p_number_CONSUME
+p_number_alpha:
+       cmp bl,'a'
+       jl p_number_BAD
+       cmp bl,'z'
+       jg p_number_BAD
+       sub bl,'a'-10
+       jmp p_number_CONSUME
+p_number_BAD:
+       push qword 0
+       popr rsi
+       next
+p_number_DONE:
+       push rdi
+       push qword 1
+       popr rsi
+       next
 
        WORD p_this_word,'THIS-WORD',dovariable
        dq 0,0                  ; ( n chars* )
@@ -129,34 +187,27 @@ p_create_COPY:
        ;; ( stream -- *?* flag )
        ;; Execute the words from the given stream
        ;; returns 1 if stream ends and 0 if an unknown word is found
-
 p_evaluate_stream_LOOP:
        dq p_read_word          ; ( -- chars* n )
-       dq p_zero_branch
-       dq   p_evaluate_stream_END - $ - 8
-       
-       dq p_2dup
-       dq p_this_word
-       dq p_2put
-       dq p_find
        dq p_dup
-       dq p_zero_branch
-       dq   p_evaluate_stream_NOTWORD - $ - 8
-       dq p_execute
-       dq p_branch
-       dq   p_evaluate_stream_LOOP - $ - 8
-
+       BRANCH 0,p_evaluate_stream_END
+       dq p_2dup               ; ( -- chars* n chars* n )
+       dq p_this_word          ; ( -- chars* n chars* n p )
+       dq p_2put               ; ( -- chars* n )
+       dq p_find               ; ( -- [ chars* n 0 ]/[ tfa ] )
+       dq p_dup                ; ( -- [ chars* n 0 0 ]/[ tfa tfa ] )
+       BRANCH 0,p_evaluate_stream_NOTWORD ; ( -- chars* n tfa/0 )
+       dq p_execute            ; ( -- chars* n tfa/0 )
+       BRANCH ,p_evaluate_stream_LOOP
 p_evaluate_stream_NOTWORD:
-       dq p_this_word
-       dq p_2get
-       dq p_number
-       dq p_not
-       dq p_zero_branch
-       dq   p_evaluate_stream_LOOP - $ - 8
-
-       dq 0
-       dq p_exit
-
+       dq p_drop               ; ( -- chars* n )
+       dq p_number             ; ( -- [ 0 ]/[ v 1 ] )
+       dq p_dup
+       BRANCH 0,p_evaluate_stream_BAD
+       dq p_drop
+       BRANCH ,p_evaluate_stream_LOOP
 p_evaluate_stream_END:
+       dq p_literal
        dq 1
+p_evaluate_stream_BAD:
        dq p_exit