implemented SAVE command

c64/basic/commands/cmd_load_verify.s

@@ -28,7 +28,7 @@ cmd_load:
 	jsr fetch_filename
 	bcs cmd_load_no_filename
 
-	// Try to fetch secondary address
+	// Try to fetch device and secondary address
 
 	jsr fetch_device_secondary
 	jmp cmd_load_got_params
@@ -53,15 +53,7 @@ cmd_load_got_params:                   // input for tape wedge
 	lda VERCKB    // LOAD or VERIFY
 
 	jsr JLOAD
-
-	// Handle result
-
-	php
-	pha
-	jsr print_return
-	pla
-	plp
-	bcs_16 do_kernal_error
+	jsr cmd_load_save_handle_result
 	
 cmd_load_no_error:
 
@@ -97,9 +89,24 @@ cmd_load_no_error:
 	inx
 	beq cmd_load_end                   // branch if direct mode
 
-	// XXX
 	jmp basic_execute_from_current_line
 
 cmd_load_end:
 
 	jmp basic_main_loop
+
+
+//
+// Handle result from Kernal - common for LOAD/VERIFY/SAVE
+//
+
+cmd_load_save_handle_result:
+
+	php
+	pha
+	jsr print_return
+	pla
+	plp
+	bcs_16 do_kernal_error
+
+	rts

c64/basic/commands/cmd_save.s

@@ -8,7 +8,7 @@ cmd_save:
 	// Set default device and secondary address; channel is not important now
 
 	jsr select_device
-	ldy #$00                           // secondary address
+	ldy #$00
 	jsr JSETFLS
 
 	// Fetch the file name
@@ -16,10 +16,24 @@ cmd_save:
 	jsr fetch_filename
 	bcs_16 do_MISSING_FILENAME_error
 
+	// Try to fetch device
 
+	jsr fetch_device_secondary
 
+	// Setup the start and end addresses
 
+	lda #TXTTAB
 
-	// XXX - finish the implementation
+	// Setup the end address
+
+	ldx VARTAB+0
+	ldy VARTAB+1
+
+	// Perform saving
+
+	jsr JSAVE
+	jsr cmd_load_save_handle_result
+
+	// The end
 
 	jmp basic_main_loop

c64/basic/select_device.s

@@ -3,7 +3,7 @@
 // #LAYOUT# *   *       #IGNORE
 
 
-select_device:
+select_device: // XXX check usage, probably more can be put into this common section
 
 	// Take last device number, make sure it is a drive - 8 or above. Above 30,
 	// although illegal for IEC we also consider a drive, as they exists