Use map for everything

src/nasu.tal

@@ -410,6 +410,18 @@ JMP2
 
 JMP2
 
+@clamp-selection ( -- )
+
+	.selection/x1 LDZ #0f STHk LTH ,&ok-limitx1 JCN STHkr .selection/x1 STZ &ok-limitx1 POPr
+	.selection/y1 LDZ #0f STHk LTH ,&ok-limity1 JCN STHkr .selection/y1 STZ &ok-limity1 POPr
+	.selection/x2 LDZ #0f STHk LTH ,&ok-limitx2 JCN STHkr .selection/x2 STZ &ok-limitx2 POPr
+	.selection/y2 LDZ #0f STHk LTH ,&ok-limity2 JCN STHkr .selection/y2 STZ &ok-limity2 POPr
+	( invert )
+	.selection/x2 LDZ .selection/x1 LDZ STHk GTH ,&ok-flipx JCN STHkr .selection/x2 STZ &ok-flipx POPr
+	.selection/y2 LDZ .selection/y1 LDZ STHk GTH ,&ok-flipy JCN STHkr .selection/y2 STZ &ok-flipy POPr
+
+JMP2r
+
 @set-selection-zoom ( x y -- )
 
 	#7f AND .selection/zy STZ
@@ -504,6 +516,9 @@ JMP2
 
 JMP2
 
+(
+@|map )
+
 @run ( op* -- )
 
 	STH2
@@ -511,7 +526,7 @@ JMP2
 	&ver
 		.selection/x2 LDZ INC .selection/x1 LDZ
 		&hor
-			( write char ) OVR2 NIP OVR SWP ;get-tile-addr JSR2 STH2kr JSR2
+			OVR2 NIP OVR SWP ;get-tile-addr JSR2 STH2kr JSR2
 			INC GTHk ,&hor JCN
 		POP2
 		INC GTHk ,&ver JCN
@@ -598,18 +613,22 @@ JMP2r
 
 JMP2r
 
-@clamp-selection ( -- )
+@op-read ( addr* -- )
 
-	.selection/x1 LDZ #0f STHk LTH ,&ok-limitx1 JCN STHkr .selection/x1 STZ &ok-limitx1 POPr
-	.selection/y1 LDZ #0f STHk LTH ,&ok-limity1 JCN STHkr .selection/y1 STZ &ok-limity1 POPr
-	.selection/x2 LDZ #0f STHk LTH ,&ok-limitx2 JCN STHkr .selection/x2 STZ &ok-limitx2 POPr
-	.selection/y2 LDZ #0f STHk LTH ,&ok-limity2 JCN STHkr .selection/y2 STZ &ok-limity2 POPr
-	( invert )
-	.selection/x2 LDZ .selection/x1 LDZ STHk GTH ,&ok-flipx JCN STHkr .selection/x2 STZ &ok-flipx POPr
-	.selection/y2 LDZ .selection/y1 LDZ STHk GTH ,&ok-flipy JCN STHkr .selection/y2 STZ &ok-flipy POPr
+	.File/read DEO2
 
 JMP2r
 
+@op-write ( addr* -- )
+
+	[ LIT2 &length $2 ]
+		DUP2 .File/length DEO2
+		;&buf SWP2 ;mcpy JSR2
+	;&buf .File/write DEO2
+
+JMP2r
+	&buf $10
+
 (
 @|drawing )
 
@@ -1253,59 +1272,47 @@ JMP2r
 
 @edit-copy-icn ( -- )
 
-	#0008 ;edit-copy/mode STA2
-	,edit-copy ( .. )
+	;snarf-txt .File/name DEO2
+	#0008 ;op-write/length STA2
+	;op-write ;run JSR2
+	;redraw ( .. )
 
-JMP
+JMP2
 
 @edit-copy-chr ( -- )
 
-	#0010 ;edit-copy/mode STA2
-
-@edit-copy ( -- )
-
 	;snarf-txt .File/name DEO2
-	,&mode LDR2 .File/length DEO2
-	.selection/y2 LDZ INC .selection/y1 LDZ
-	&ver
-		.selection/x2 LDZ INC .selection/x1 LDZ
-		&hor
-			OVR2 NIP OVR SWP ;get-tile-addr JSR2 ;&buf [ LIT2 &mode $2 ] ;mcpy JSR2
-			;&buf .File/write DEO2
-			INC GTHk ,&hor JCN
-		POP2
-		INC GTHk ,&ver JCN
-	POP2
+	#0010 ;op-write/length STA2
+	;op-write ;run JSR2
 	;redraw ( .. )
 
 JMP2
-	&buf $10
 
 @edit-paste ( -- )
 
 	;snarf-txt .File/name DEO2
 	#0010 .File/length DEO2
-	.selection/y2 LDZ INC .selection/y1 LDZ
-	&ver
-		.selection/x2 LDZ INC .selection/x1 LDZ
-		&hor
-			OVR2 NIP OVR SWP ;get-tile-addr JSR2 .File/read DEO2
-			INC GTHk ,&hor JCN
-		POP2
-		INC GTHk ,&ver JCN
-	POP2
+	;op-read ;run JSR2
 	;redraw ( .. )
 
 JMP2
 
 @edit-cut ( -- )
 
-	;edit-copy JSR2
+	;edit-copy-chr JSR2
 	;op-erase ;run JSR2
 	;redraw ( .. )
 
 JMP2
 
+@edit-erase ( -- )
+
+	;op-erase ;run JSR2
+	#01 .state/changed STZ ;draw-state JSR2
+	;redraw ( .. )
+
+JMP2
+
 ( select )
 
 @tool-brush ( -- ) #00 ;set-tool JMP2
@@ -1335,16 +1342,6 @@ JMP2
 @pick-color3 ( -- ) #02 ;set-color JMP2
 @pick-color4 ( -- ) #03 ;set-color JMP2
 
-( option )
-
-@edit-erase ( -- )
-
-	;op-erase ;run JSR2
-	#01 .state/changed STZ ;draw-state JSR2
-	;redraw ( .. )
-
-JMP2
-
 ( generics )
 
 @set-size ( x1 y1 w* h* rect* -- )