add autoformat script

Author: kirjavascript

src/constants.asm

@@ -111,7 +111,7 @@ MENU_TOP_MARGIN_SCROLL := 7 ; in blocks
 
 ; menuConfigSizeLookup
 ; menu ram is defined at menuRAM in ./ram.asm
-.macro MENUSIZES 
+.macro MENUSIZES
     .byte $0    ; MODE_TETRIS
     .byte $0    ; MODE_TSPINS
     .byte $0    ; MODE_SEED

src/nmi/pollkeyboard.asm

@@ -10,7 +10,7 @@
 ;       |+--- Select column, row is incremented if this bit goes from high to low.
 ;       +---- Enable keyboard matrix (if 0, all voltages inside the keyboard will be 5V, reading back as logical 0 always)
 
-; Incrementing the row from the (keyless) 10th row will cause it to wrap back to the first row. 
+; Incrementing the row from the (keyless) 10th row will cause it to wrap back to the first row.
 
 ; Output ($4017 read)
 
@@ -50,14 +50,14 @@ pollKeyboard:
         sta JOY1
         ldy #$0A
 @avoidParasiticCapacitance:              ; wait approx 50 cycles after advancing rows
-        dey                 
+        dey
         bne @avoidParasiticCapacitance
         lda JOY2_APUFC
         and #KB_MASK
         sta generalCounter
         lda #KB_COL_1
         sta JOY1
-        lda JOY2_APUFC      
+        lda JOY2_APUFC
         and #KB_MASK
         lsr
         sta keyboardInput,x
@@ -129,7 +129,7 @@ mapKeysToButtons:
         ora #BUTTON_RIGHT
         sta newlyPressedKeys
 @skipRightRead:
-@rightNotPressed: 
+@rightNotPressed:
 
         ldy #$07     ; grph -> B
         ldx #$06
@@ -168,7 +168,7 @@ mapKeysToButtons:
 @startNotPressed:
 
 
-; Separate Newly Pressed from Held 
+; Separate Newly Pressed from Held
         lda newlyPressedKeys
         tay
         eor heldKeys
@@ -189,6 +189,6 @@ mapKeysToButtons:
 keyMask:
         .byte $80,$40,$20,$10,$08,$04,$02,$01
 readKey:
-	lda keyboardInput,y
-	and keyMask,x
-	rts
+    lda keyboardInput,y
+    and keyMask,x
+    rts

src/reset.asm

@@ -14,7 +14,7 @@ reset:  cld
         txs
 .if INES_MAPPER = 1
         inc reset
-.elseif INES_MAPPER = 4 
+.elseif INES_MAPPER = 4
         jsr mmc3Init
 .elseif INES_MAPPER = 5
         jsr mmc5Init

src/sprites/piece.asm

@@ -83,7 +83,7 @@ stageSpriteForCurrentPiece_actual:
         ldy oamStagingLength
         lda #$04
         sta generalCounter2
-@stageMino:  
+@stageMino:
         lda orientationTable,x
         asl a
         asl a
@@ -116,7 +116,7 @@ stageSpriteForCurrentPiece_actual:
         sta oamStaging,y
         jmp @finishLoop
 
-@validYCoordinate:  
+@validYCoordinate:
         inc oamStagingLength
         iny
         lda orientationTable,x
@@ -126,7 +126,7 @@ stageSpriteForCurrentPiece_actual:
         clc
         adc generalCounter3
         sta oamStaging,y
-@finishLoop:  
+@finishLoop:
         inc oamStagingLength
         iny
         inx

src/util/check_region.asm

@@ -3,19 +3,19 @@ checkRegion:
 
 ; region detection via http://forums.nesdev.com/viewtopic.php?p=163258#p163258
 ;;; use the power-on wait to detect video system-
-	ldx #0
+    ldx #0
         stx palFlag ; extra zeroing
-	ldy #0
+    ldy #0
 @vwait1:
-	bit $2002
-	bpl @vwait1  ; at this point, about 27384 cycles have passed
+    bit $2002
+    bpl @vwait1  ; at this point, about 27384 cycles have passed
 @vwait2:
-	inx
-	bne @noincy
-	iny
+    inx
+    bne @noincy
+    iny
 @noincy:
-	bit $2002
-	bpl @vwait2  ; at this point, about 57165 cycles have passed
+    bit $2002
+    bpl @vwait2  ; at this point, about 57165 cycles have passed
 @endVWait:
 
 ;;; BUT because of a hardware oversight, we might have missed a vblank flag.
@@ -24,16 +24,16 @@ checkRegion:
 ;;; PAL NES:  33247 cycles / 12.005 -> $AD1 or $15A2
 ;;; Dendy:    35464 cycles / 12.005 -> $B8A or $1714
 
-	tya
-	cmp #16
-	bcc @nodiv2
-	lsr
+    tya
+    cmp #16
+    bcc @nodiv2
+    lsr
 @nodiv2:
-	clc
-	adc #<-9
-	cmp #3
-	bcc @noclip3
-	lda #3
+    clc
+    adc #<-9
+    cmp #3
+    bcc @noclip3
+    lda #3
 @noclip3:
 ;;; Right now, A contains 0,1,2,3 for NTSC,PAL,Dendy,Bad
         cmp #0

src/util/core.asm

@@ -61,9 +61,9 @@ updateAudioWaitForNmiAndResetOamStaging:
         beq @checkForNmi
 
 resetOAMStaging:
-; Hide a sprite by moving it down offscreen, by writing any values between #$EF-#$FF here. 
-; Sprites are never displayed on the first line of the picture, and it is impossible to place 
-; a sprite partially off the top of the screen. 
+; Hide a sprite by moving it down offscreen, by writing any values between #$EF-#$FF here.
+; Sprites are never displayed on the first line of the picture, and it is impossible to place
+; a sprite partially off the top of the screen.
 ; https://www.nesdev.org/wiki/PPU_OAM
         ldx #$00
         lda #$FF

src/util/math.asm

@@ -177,82 +177,82 @@ SUBTBL:
 
 ; source: https://codebase64.org/doku.php?id=base:24bit_multiplication_24bit_product
 unsigned_mul24:
-	lda #$00			; set product to zero
-	sta product24
-	sta product24+1
-	sta product24+2
+    lda #$00			; set product to zero
+    sta product24
+    sta product24+1
+    sta product24+2
 
 @loop:
-	lda factorB24                   ; while factorB24 !=0
-	bne @nz
-	lda factorB24+1
-	bne @nz
-	lda factorB24+2
-	bne @nz
-	rts
+    lda factorB24                   ; while factorB24 !=0
+    bne @nz
+    lda factorB24+1
+    bne @nz
+    lda factorB24+2
+    bne @nz
+    rts
 @nz:
-	lda factorB24; if factorB24 isodd
-	and #$01
-	beq @skip
+    lda factorB24; if factorB24 isodd
+    and #$01
+    beq @skip
 
-	lda factorA24			; product24 += factorA24
-	clc
-	adc product24
-	sta product24
+    lda factorA24			; product24 += factorA24
+    clc
+    adc product24
+    sta product24
 
-	lda factorA24+1
-	adc product24+1
-	sta product24+1
+    lda factorA24+1
+    adc product24+1
+    sta product24+1
 
-	lda factorA24+2
-	adc product24+2
-	sta product24+2			; end if
+    lda factorA24+2
+    adc product24+2
+    sta product24+2			; end if
 
 @skip:
-	asl factorA24			; << factorA24
-	rol factorA24+1
-	rol factorA24+2
-	lsr factorB24+2			; >> factorB24
-	ror factorB24+1
-	ror factorB24
+    asl factorA24			; << factorA24
+    rol factorA24+1
+    rol factorA24+2
+    lsr factorB24+2			; >> factorB24
+    ror factorB24+1
+    ror factorB24
 
-	jmp @loop			; end while
+    jmp @loop			; end while
 
 unsigned_div24:
         lda #0	        ;preset remainder to 0
-	sta remainder
-	sta remainder+1
-	sta remainder+2
-	ldx #24	        ;repeat for each bit: ...
+    sta remainder
+    sta remainder+1
+    sta remainder+2
+    ldx #24	        ;repeat for each bit: ...
 
 @divloop:
         asl dividend	;dividend lb & hb*2, msb -> Carry
-	rol dividend+1
-	rol dividend+2
-	rol remainder	;remainder lb & hb * 2 + msb from carry
-	rol remainder+1
-	rol remainder+2
-	lda remainder
-	sec
-	sbc divisor	;substract divisor to see if it fits in
-	tay	        ;lb result -> Y, for we may need it later
-	lda remainder+1
-	sbc divisor+1
-	sta pztemp
-	lda remainder+2
-	sbc divisor+2
-	bcc @skip	;if carry=0 then divisor didn't fit in yet
+    rol dividend+1
+    rol dividend+2
+    rol remainder	;remainder lb & hb * 2 + msb from carry
+    rol remainder+1
+    rol remainder+2
+    lda remainder
+    sec
+    sbc divisor	;substract divisor to see if it fits in
+    tay	        ;lb result -> Y, for we may need it later
+    lda remainder+1
+    sbc divisor+1
+    sta pztemp
+    lda remainder+2
+    sbc divisor+2
+    bcc @skip	;if carry=0 then divisor didn't fit in yet
 
-	sta remainder+2	;else save substraction result as new remainder,
-	lda pztemp
-	sta remainder+1
-	sty remainder
-	inc dividend 	;and INCrement result cause divisor fit in 1 times
+    sta remainder+2	;else save substraction result as new remainder,
+    lda pztemp
+    sta remainder+1
+    sty remainder
+    inc dividend 	;and INCrement result cause divisor fit in 1 times
 
 @skip:
         dex
-	bne @divloop
-	rts
+    bne @divloop
+    rts
 
 ; from http://forum.6502.org/viewtopic.php?p=5789&sid=46a88a49579252ae3edcf53c0cd54f68#p5789
 ;----------------------------------------------------------------

tools/format.js

@@ -0,0 +1,22 @@
+const fs = require('fs');
+const path = require('path');
+
+function format(line) {
+    return line.trimEnd().replace(/^\t+/, (_) => ' '.repeat(4 * _.length));
+}
+
+(function processFiles(directory) {
+    const files = fs.readdirSync(directory);
+
+    files.forEach(file => {
+        const filePath = path.join(directory, file);
+        const stat = fs.statSync(filePath);
+
+        if (stat.isDirectory()) {
+            processFiles(filePath);
+        } else if (file.endsWith('.asm')) {
+            const content = fs.readFileSync(filePath, 'utf8');
+            fs.writeFileSync(filePath, content.split('\n').map(format).join('\n'));
+        }
+    });
+})(process.cwd());