feat: update NE operator to be bool normalized

Author: boriel

src/arch/z80/peephole/opts/020_o1_bool_norm_empty.opt

@@ -25,5 +25,6 @@ IF {{
   $1 IN ("xor a", "ld a, 0",
   "call .core.__GEF", "call .core.__LEI16", "call .core.__LEI8", "call .core.__LTI8",
   "call .core.__ANDF", "call .core.__EQF", "call .core.__GTF", "call .core.__LTI16",
-  "call .core.__LEF", "call .core.__LEI32", "call .core.__LTF", "call .core.__LTI32")
+  "call .core.__LEF", "call .core.__LEI32", "call .core.__LTF", "call .core.__LTI32",
+  "call .core.__NEF")
 }}

tests/functional/arch/zx48k/nef16.asm

@@ -31,6 +31,7 @@ _t:
 	call .core.__EQ32
 	sub 1
 	sbc a, a
+	neg
 	ld (0), a
 	ld hl, 0
 	ld b, h
@@ -72,5 +73,5 @@ __EQ32:	; Test if 32bit value HLDE equals top of the stack
 	    xor a
 	    ret
 	    pop namespace
-#line 27 "arch/zx48k/nef16.bas"
+#line 28 "arch/zx48k/nef16.bas"
 	END

tests/functional/arch/zx48k/nei16.asm

@@ -28,6 +28,9 @@ _t:
 	sbc hl, de
 	ld a, h
 	or l
+	sub 1
+	sbc a, a
+	inc a
 	ld (0), a
 	ld hl, 0
 	ld b, h

tests/functional/arch/zx48k/nei32.asm

@@ -31,6 +31,7 @@ _t:
 	call .core.__EQ32
 	sub 1
 	sbc a, a
+	neg
 	ld (0), a
 	ld hl, 0
 	ld b, h
@@ -72,5 +73,5 @@ __EQ32:	; Test if 32bit value HLDE equals top of the stack
 	    xor a
 	    ret
 	    pop namespace
-#line 27 "arch/zx48k/nei32.bas"
+#line 28 "arch/zx48k/nei32.bas"
 	END

tests/functional/arch/zx48k/nei8.asm

@@ -23,6 +23,9 @@ _t:
 .core.ZXBASIC_USER_DATA_END:
 .core.__MAIN_PROGRAM__:
 	ld a, (_t)
+	sub 1
+	sbc a, a
+	inc a
 	ld (0), a
 	ld hl, 0
 	ld b, h

tests/functional/arch/zx48k/neu16.asm

@@ -28,6 +28,9 @@ _t:
 	sbc hl, de
 	ld a, h
 	or l
+	sub 1
+	sbc a, a
+	inc a
 	ld (0), a
 	ld hl, 0
 	ld b, h

tests/functional/arch/zx48k/neu32.asm

@@ -31,6 +31,7 @@ _t:
 	call .core.__EQ32
 	sub 1
 	sbc a, a
+	neg
 	ld (0), a
 	ld hl, 0
 	ld b, h
@@ -72,5 +73,5 @@ __EQ32:	; Test if 32bit value HLDE equals top of the stack
 	    xor a
 	    ret
 	    pop namespace
-#line 27 "arch/zx48k/neu32.bas"
+#line 28 "arch/zx48k/neu32.bas"
 	END

tests/functional/arch/zx48k/neu8.asm

@@ -23,6 +23,9 @@ _t:
 .core.ZXBASIC_USER_DATA_END:
 .core.__MAIN_PROGRAM__:
 	ld a, (_t)
+	sub 1
+	sbc a, a
+	inc a
 	ld (0), a
 	ld hl, 0
 	ld b, h