small code reordering to avoid accidental similarities

STATUS.md

@@ -136,7 +136,7 @@ NOTE: Even the 'DONE' routines won't support features described as missing in on
 | `$FFE7`   | `$F32F`    | `CLALL`     | DONE     |                                                    |
 | `$FFEA`   |            | `UDTIM`     | DONE     |                                                    |
 | `$FFED`   |            | `SCREEN`    | DONE     |                                                    |
-| `$FFF0`   | `$E50A`    | `PLOT`      | PARTIAL  | cursor blink not handled                           |
+| `$FFF0`   | `$E50A`    | `PLOT`      | PARTIAL  |                                                    |
 | `$FFF3`   |            | `IOBASE`    | DONE     |                                                    |
 | `($FFFA)` |            | NMI vec     | PARTIAL  |                                                    |
 | `($FFFC)` |            | RESET vec   | PARTIAL  |                                                    |
@@ -153,7 +153,7 @@ Not all of them - only these we want to have implemented.
 | Address   | Name                | Status   |  Remarks                                           |
 | :-------: | :------------------ | :------: | :------------------------------------------------: |
 | `$E544`   | clear screen        | DONE     |                                                    |
-| `$E50C`   | set cursor position | PARTIAL  | cursor blink not handled                           |
+| `$E50C`   | set cursor position | PARTIAL  |                                                    |
 | `$E5A0`   | setup VIC II & IO   | PARTIAL  |                                                    |
 | `$EA31`   | default IRQ         | PARTIAL  |                                                    |
 | `$EA7E`   | ack CIA1 + below    | DONE     |                                                    |

c64/basic/cmd_load.s

@@ -95,8 +95,8 @@ got_devicenumber:
 	bne got_loadaddress
 
 got_secondaryaddress:
-	ldx TXTTAB+0
 	ldy TXTTAB+1
+	ldx TXTTAB+0
 
 got_loadaddress:
 	lda #$00 		// LOAD not verify

c64/kernal/e50a.interop

@@ -1,4 +1,5 @@
 The original reason to move PLOT routine into its original position was to provide support for unofficial $E50C address:
 
 - it is well known: https://www.lemon64.com/forum/viewtopic.php?t=3296&amp%3Bstart=15
+                    https://sys64738.org/2019/05/c64-bedtime-coding-eng-printing-08/
 - 'Duotris' game calls $E50C during startup screen initialization

c64/kernal/e50a.plot.s

@@ -13,6 +13,7 @@ PLOT:
 
 	// Note: the 'set' part has to start from $E50C, as this is a known address
 	// - https://www.lemon64.com/forum/viewtopic.php?t=3296&amp%3Bstart=15
+	// - https://sys64738.org/2019/05/c64-bedtime-coding-eng-printing-08/
 	// - 'Duotris' game calls $E50C during startup screen initialization
 
 plot_set:
@@ -20,6 +21,7 @@ plot_set:
 	stx PNTR
 
 	// XXX handle cursor blink
+	// XXX should we update some more variables?
 
 	// FALLTROUGH to save one byte on RTS
 

c64/kernal/fd15.restor.s

@@ -11,8 +11,8 @@
 RESTOR:
 
 	clc // clear carry - for writing to system table
-	ldx #<vector_defaults
 	ldy #>vector_defaults
+	ldx #<vector_defaults
 
 	// FALLTHROUGH