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0ee9d7a48b
- fail for rgbds < 0.4.0 - `rst <Label>` - `ds <count>, <byte>` - `shift <N>` - ASCII "\r" - Sorted .sym file
121 lines
1.5 KiB
NASM
121 lines
1.5 KiB
NASM
; Value macros
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percent EQUS "* $ff / 100"
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; Constant data (db, dw, dl) macros
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dwb: MACRO
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dw \1
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db \2
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ENDM
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dbw: MACRO
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db \1
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dw \2
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ENDM
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dbbw: MACRO
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db \1, \2
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dw \3
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ENDM
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dbww: MACRO
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db \1
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dw \2, \3
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ENDM
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dbwww: MACRO
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db \1
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dw \2, \3, \4
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ENDM
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dn: MACRO ; nybbles
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rept _NARG / 2
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db ((\1) << 4) | (\2)
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shift 2
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endr
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ENDM
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dc: MACRO ; "crumbs"
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rept _NARG / 4
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db ((\1) << 6) | ((\2) << 4) | ((\3) << 2) | (\4)
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shift 4
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endr
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ENDM
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dx: MACRO
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x = 8 * ((\1) - 1)
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rept \1
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db ((\2) >> x) & $ff
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x = x - 8
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endr
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ENDM
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dt: MACRO ; three-byte (big-endian)
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dx 3, \1
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ENDM
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dd: MACRO ; four-byte (big-endian)
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dx 4, \1
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ENDM
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bigdw: MACRO ; big-endian word
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dx 2, \1 ; db HIGH(\1), LOW(\1)
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ENDM
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dba: MACRO ; dbw bank, address
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rept _NARG
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dbw BANK(\1), \1
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shift
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endr
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ENDM
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dab: MACRO ; dwb address, bank
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rept _NARG
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dwb \1, BANK(\1)
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shift
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endr
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ENDM
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dba_pic: MACRO ; dbw bank, address
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db BANK(\1) - PICS_FIX
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dw \1
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ENDM
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dbpixel: MACRO
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if _NARG >= 4
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; x tile, x pxl, y tile, y pxl
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db \1 * 8 + \3, \2 * 8 + \4
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else
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; x, y
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db \1 * 8, \2 * 8
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endc
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ENDM
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dsprite: MACRO
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; y tile, y pxl, x tile, x pxl, vtile offset, attributes
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db (\1 * 8) % $100 + \2, (\3 * 8) % $100 + \4, \5, \6
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ENDM
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menu_coords: MACRO
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; x1, y1, x2, y2
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db \2, \1 ; start coords
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db \4, \3 ; end coords
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ENDM
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bcd: MACRO
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rept _NARG
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dn ((\1) % 100) / 10, (\1) % 10
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shift
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endr
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ENDM
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sine_table: MACRO
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; \1 samples of sin(x) from x=0 to x<32768 (pi radians)
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x = 0
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rept \1
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dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
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x = x + DIV(32768, \1) ; a circle has 65536 "degrees"
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endr
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ENDM
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