main menu does not blink

textproc.asm

@@ -168,77 +168,64 @@ OptionsFinished
     
     
     rts
+    .endp
 ;--------
 ; inversing selected option (cursor)
 ;--------
-OptionsInversion
+.proc OptionsInversion
-    ;clean options loop
+YPos = temp2
-    ;TODO: (optionally) - convert to single byte loop if no new options
+XPos = temp2+1
-    mwa #OptionsHere temp
+optionWidth = 6
-    ldy #0
+nameWidth = 10
-OptionsInversionLoop1
+    mwa #OptionsHere temp  ; offset of the first option=11
-    lda (temp),y
+    mva #0 YPos  ;option number pointer
-    and #$7F
+    mva #0 Xpos  ;X position in the menu
-    sta (temp),y
+    tay  ; Y is zero here...
-    inw temp
-    cpw temp #OptionsScreenEnd
-    bne OptionsInversionLoop1
-    ;here all past inversions are gone...
-
-    mwa #OptionsHere temp
-    mva #0 temp2  ;option number pointer
-    adw temp  #10 ;offset of the first option=11
 OptionsSetMainLoop
-    ldx temp2
+    ldx YPos  ; Y position in the menu
-    lda OptionsTable,x
-    asl
-    asl
-    adc OptionsTable,x  ;OptionsTable value * 5
-    adc OptionsTable,x  ;OptionsTable value * 6
-    tay
-    ldx #6-1  ; width of the highlight bar (6 chars)
-OptionSetLoop
-    lda (temp),y
-    ora #$80
-    sta (temp),y
-    iny
-    dex
-    bpl OptionSetLoop ;here option is highlighted
-;
-; next option
-    adw temp  #40 ;jump to next line
-    inc:lda temp2
-    cmp #maxOptions ;number of options
-    bne OptionsSetMainLoop
-
 ;inversing the first few chars of the selected line (OptionsY)
-    mva OptionsY temp
+    cpx OptionsY
-    mva #0 temp+1
+    jsr _inverter
-    asl temp
+    cpy #nameWidth-1
-    rol temp+1
+    bne OptionsSetMainLoop
-    asl temp
+    adw temp #nameWidth
-    rol temp+1
+    ldy #0
-    asl temp
+
-    rol temp+1
+OptionsLoop
-    mwa temp temp2 ;here is OptionsY*8
+    lda XPos
-    asl temp
+    cmp OptionsTable,x
-    rol temp+1
+    jsr _inverter
-    asl temp
+    cpy #optionWidth  ; width of the option highlight
-    rol temp+1
+    bne OptionsLoop
-    ;here is 32*OptionsY
+    ldy #0
-    adw temp temp2
+    ; next X position of the 
-    ;in temp is 40*OptionsY
+    adw temp #optionWidth  ; width of the option highlight
-    adw temp #OptionsHere
+    inc:lda XPos
-    ;now in temp is adres of the line to be inversed
+    cmp #5  ; number of options in a row
-    ldy #8 ;9 letters to invers
+    bne OptionsLoop
-OptionsYLoop
+    ; next line
-    lda (temp),y
+    ;adw temp #nameWidth  ; beginning of the next line
-    ora #$80
+    mva #0 Xpos
+    tay
+    inc:lda Ypos
+    cmp #maxOptions
+    bne OptionsSetMainLoop
+    rts
+
+_inverter
+    beq invertme
+    ; clean inversion otherwise
+    lda (temp),y 
+    and #$7f  ; clear the top bit
     sta (temp),y
-    dey
+    bpl @+  ; JMP
-    bpl OptionsYLoop
+invertme
-
+    lda (temp),y 
-
+    ora #$80  ; set the top bit
+    sta (temp),y
+@
+    ; next character in an option
+    iny
     rts
 .endp
 

weapons.asm

@@ -2428,9 +2428,9 @@ InverseScreenByte
 ; -------------------------------------------------
 	; Let's designate the flight altitude.
 	jsr CheckMaxMountain
-	cmp #(12+18) ; tank witch shield (12) and max alt (18) check
+	cmp #(12+18) ; tank with shield (12) and max alt (18) check
 	bcc IsToHigh
-	sbc #12	; tank witch shield high correction
+	sbc #12	; tank with shield high correction
 	bne StoreMaxAlt
 IsToHigh	
 	lda #18