Merge branch 'master' into refactor-preprocessor

1 files changed, 95 insertions, 0 deletions

diff --git a/macros.asm b/macros.asm
new file mode 100644
index 000000000..e5291ade5
--- /dev/null
+++ b/macros.asm
@@ -0,0 +1,95 @@
+; rgbds macros
+
+dwb: MACRO
+	dw \1
+	db \2
+	ENDM
+
+dbw: MACRO
+	db \1
+	dw \2
+	ENDM
+
+dn: MACRO
+	db \1 << 4 + \2
+	ENDM
+
+dt: MACRO ; three-byte (big-endian)
+	db (\1 >> 16) & $ff
+	db (\1 >> 8) & $ff
+	db \1 & $ff
+	ENDM
+
+bigdw: MACRO ; big-endian word
+	dw ((\1)/$100) + (((\1)&$ff)*$100)
+	ENDM
+
+callab: MACRO ; address, bank
+	ld hl, \1
+	ld a, BANK(\1)
+	rst FarCall
+	ENDM
+
+callba: MACRO ; bank, address
+	ld a, BANK(\1)
+	ld hl, \1
+	rst FarCall
+	ENDM
+
+TX_RAM: MACRO
+	db 1
+	dw \1
+	ENDM
+
+TX_FAR: MACRO
+	db $16
+	dw \1
+	db BANK(\1)
+	ENDM
+
+RGB: MACRO
+	dw ((\3 << 10) | (\2 << 5) | (\1))
+	ENDM
+
+note: MACRO
+	db \1
+	ENDM
+
+; It's better to use *coord than FuncCoord.
+FuncCoord: MACRO
+Coord = $c4a0 + 20 * \2 + \1
+	ENDM
+
+bccoord: MACRO
+	FuncCoord \1, \2
+	ld bc, Coord
+	ENDM
+	
+decoord: MACRO
+	FuncCoord \1, \2
+	ld de, Coord
+	ENDM
+
+hlcoord: MACRO
+	FuncCoord \1, \2
+	ld hl, Coord
+	ENDM
+
+
+; pic animations
+frame: MACRO
+	db \1
+	db \2
+	ENDM
+setrepeat: MACRO
+	db $fe
+	db \1
+	ENDM
+dorepeat: MACRO
+	db $fd
+	db \1
+	ENDM
+endanim: MACRO
+	db $ff
+	ENDM
+