1 files changed, 265 insertions, 0 deletions
diff --git a/macros.asm b/macros.asm
new file mode 100644
index 00000000..7a5660a4
--- /dev/null
+++ b/macros.asm
@@ -0,0 +1,265 @@
+
+;\1 = X
+;\2 = Y
+FuncCoord: MACRO
+Coord = $C3A0 + 20 * \2 + \1
+	ENDM
+
+;\1 = Map Width
+;\2 = Rows above (Y-blocks)
+;\3 = X movement (X-blocks)
+EVENT_DISP: MACRO
+	dw ($C6EF + (\1) + ((\1) + 6) * ((\2) >> 1) + ((\3) >> 1)) ; Ev.Disp
+	db \2,\3	;Y,X
+	ENDM
+
+FLYWARP_DATA: MACRO
+	EVENT_DISP \1,\2,\3
+	db ((\2) & $01)	;sub-block Y
+	db ((\3) & $01)	;sub-block X
+	ENDM
+
+; external map entry macro
+EMAP: MACRO ; emap x-coordinate,y-coordinate,textpointer
+; the appearance of towns and routes in the town map, indexed by map id
+	; nybble: y-coordinate
+	; nybble: x-coordinate
+	; word  : pointer to map name
+	db (\1 + (\2 << 4))
+	dw \3
+	ENDM
+
+; internal map entry macro
+IMAP: MACRO ; imap mapid_less_than,x-coordinate,y-coordinate,textpointer
+; the appearance of buildings and dungeons in the town map
+	; byte  : maximum map id subject to this rule
+	; nybble: y-coordinate
+	; nybble: x-coordinate
+	; word  : pointer to map name
+	db \1
+	db \2 + \3 << 4
+	dw \4
+	ENDM
+
+; tilesets' headers macro
+TSETHEAD: MACRO
+	db BANK(\2)
+	dw \1,\2,\3
+	db \4,\5,\6,\7,\8
+	ENDM
+	
+; macro for two nibbles
+dn: MACRO
+	db (\1 << 4 | \2)
+	ENDM
+
+; macro for putting a byte then a word
+dbw: MACRO
+	db \1
+	dw \2
+	ENDM
+
+; data format macros
+RGB: MACRO
+	dw (\3 << 10 | \2 << 5 | \1)
+	ENDM
+
+; text macros
+TX_NUM: MACRO
+; print a big-endian decimal number.
+; \1: address to read from
+; \2: number of bytes to read
+; \3: number of digits to display
+	db $09
+	dw \1
+	db \2 << 4 | \3
+	ENDM
+
+TX_FAR: MACRO
+	db $17
+	dw \1
+	db BANK(\1)
+	ENDM
+
+; text engine command $1
+TX_RAM: MACRO
+; prints text to screen
+; \1: RAM address to read from
+	db $1
+	dw \1
+	ENDM
+
+; Predef macro.
+PREDEF: MACRO
+	ld a, (\1 - PredefPointers) / 3
+	call Predef
+	ENDM
+	
+PREDEF_JUMP: MACRO
+	ld a, (\1 - PredefPointers) / 3
+	jp Predef
+	ENDM
+
+
+
+;1_channel	EQU $00
+;2_channels	EQU $40
+;3_channels	EQU $80
+;4_channels	EQU $C0
+
+CH0		EQU 0
+CH1		EQU 1
+CH2		EQU 2
+CH3		EQU 3
+CH4		EQU 4
+CH5		EQU 5
+CH6		EQU 6
+CH7		EQU 7
+
+;Note Pitch
+C_		EQU $0
+C#		EQU $1
+D_		EQU $2
+D#		EQU $3
+E_		EQU $4
+F_		EQU $5
+F#		EQU $6
+G_		EQU $7
+G#		EQU $8
+A_		EQU $9
+A#		EQU $A
+B_		EQU $B
+
+;drum instruments
+snare1		EQU $01
+snare2		EQU $02
+snare3		EQU $03
+snare4		EQU $04
+snare5		EQU $05
+triangle1	EQU $06
+triangle2	EQU $07
+snare6		EQU $08
+snare7		EQU $09
+snare8		EQU $0a
+snare9		EQU $0b
+cymbal1		EQU $0c
+cymbal2		EQU $0d
+cymbal3		EQU $0e
+mutedsnare1	EQU $0f
+triangle3	EQU $10
+mutedsnare2	EQU $11
+mutedsnare3	EQU $12
+mutedsnare4	EQU $13
+
+unknownsfx0x10: MACRO
+	db $10
+	db \1
+ENDM
+
+unknownsfx0x20: MACRO
+	db $20 | \1
+	db \2
+	db \3
+	db \4
+ENDM
+
+unknownnoise0x20: MACRO
+	db $20 | \1
+	db \2
+	db \3
+ENDM
+
+;format: note pitch, length (in 16ths)
+note: MACRO
+	db (\1 << 4) | (\2 - 1)
+ENDM
+
+;format: dnote length (in 16ths), instrument
+dnote: MACRO
+	db $B0 | (\1 - 1)
+	db \2
+ENDM
+
+;format: rest length (in 16ths)
+rest: MACRO
+	db $C0 | (\1 - 1)
+ENDM
+
+; format: notetype speed, volume, fade
+notetype: MACRO
+	db	$D0 | \1
+	db	(\2 << 4) | \3
+ENDM
+
+dspeed: MACRO
+	db $D0 | \1
+ENDM
+
+octave: MACRO
+	db $E8 - \1
+ENDM
+
+togglecall: MACRO
+	db $E8
+ENDM
+
+;format: vibrato delay, rate, depth
+vibrato: MACRO
+	db $EA
+	db \1
+	db (\2 << 4) | \3
+ENDM
+
+pitchbend: MACRO
+	db $EB
+	db \1
+	db \2
+ENDM
+
+duty: MACRO
+	db $EC
+	db \1
+ENDM
+
+tempo: MACRO
+	db $ED
+	db \1
+	db \2
+ENDM
+
+unknownmusic0xee: MACRO
+	db $EE
+	db \1
+ENDM
+
+stereopanning: MACRO
+	db $F0
+	db \1
+ENDM
+
+executemusic: MACRO
+	db $F8
+ENDM
+
+dutycycle: MACRO
+	db $FC
+	db \1
+ENDM
+
+;format: callchannel address
+;callchannel: MACRO
+;	db $FD
+;	dw \1
+;ENDM
+
+;format: loopchannel count, address
+;loopchannel: MACRO
+;	db $FE
+;	db \1
+;	dw \2
+;ENDM
+
+endchannel: MACRO
+	db $FF
+ENDM
+