changed handling of external token lists

src/basic/basic_commands_02/cmd_bload_bverify.s

@@ -0,0 +1,42 @@
+// #LAYOUT# STD *       #TAKE
+// #LAYOUT# *   BASIC_0 #TAKE
+// #LAYOUT# *   *       #IGNORE
+
+
+cmd_bverify:
+
+	// LOAD and VERIFY are very similar, from BASIC perspective there is almost no difference;
+	// just different parameter passed to Kernal and different error message in case of failure
+
+	lda #$01                           // mark operation as VERIFY
+	skip_2_bytes_trash_nvz
+
+cmd_bload:
+
+	lda #$00                           // mark operation as LOAD
+	jsr helper_load_init_params
+
+	// Fetch the file name
+
+	jsr helper_bload_fetch_filename
+
+	// Fetch device number
+
+	jsr fetch_coma_uint8
+	bcs_16 do_SYNTAX_error
+
+	sta FA
+
+	// Fetch the start address
+
+	jsr helper_bload_fetch_address
+
+	// Perform loading
+
+	lda VERCKB                         // LOAD or VERIFY
+	jsr JLOAD
+	bcs_16 do_kernal_error
+
+	// Execute next statement
+
+	rts