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- Use single-quoted character literals or `CHARVAL` when you need
a character's numeric value; using strings as numbers is deprecated
- Use `?` to silence a node in warning/error location backtraces
- Use `===` and `!==` instead of `STRCMP`, and `++` instead of `STRCAT`
- Use `__SCOPE__` instead of checking for `..` and `.` separately
- Use `#string` instead of `"{string}"`
- All programs (rgbasm, rgblink, rgbfix, rgbgfx) support `-W` warnings
- `rgbgfx --colors dmg` is short for `rgbgfx --colors dmg=e4`
76 lines
1.0 KiB
NASM
76 lines
1.0 KiB
NASM
; Coordinate macros
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MACRO? hlcoord
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coord hl, \#
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ENDM
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MACRO? bccoord
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coord bc, \#
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ENDM
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MACRO? decoord
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coord de, \#
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ENDM
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MACRO? coord
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; register, x, y[, origin]
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if _NARG < 4
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ld \1, (\3) * SCREEN_WIDTH + (\2) + wTilemap
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else
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ld \1, (\3) * SCREEN_WIDTH + (\2) + \4
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endc
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ENDM
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MACRO? hlbgcoord
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bgcoord hl, \#
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ENDM
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MACRO? bcbgcoord
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bgcoord bc, \#
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ENDM
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MACRO? debgcoord
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bgcoord de, \#
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ENDM
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MACRO? bgcoord
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; register, x, y[, origin]
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if _NARG < 4
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ld \1, (\3) * TILEMAP_WIDTH + (\2) + vBGMap0
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else
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ld \1, (\3) * TILEMAP_WIDTH + (\2) + \4
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endc
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ENDM
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MACRO? dwcoord
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; x, y
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rept? _NARG / 2
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dw (\2) * SCREEN_WIDTH + (\1) + wTilemap
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shift 2
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endr
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ENDM
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MACRO? ldcoord_a
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; x, y[, origin]
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if _NARG < 3
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ld [(\2) * SCREEN_WIDTH + (\1) + wTilemap], a
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else
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ld [(\2) * SCREEN_WIDTH + (\1) + \3], a
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endc
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ENDM
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MACRO? lda_coord
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; x, y[, origin]
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if _NARG < 3
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ld a, [(\2) * SCREEN_WIDTH + (\1) + wTilemap]
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else
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ld a, [(\2) * SCREEN_WIDTH + (\1) + \3]
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endc
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ENDM
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MACRO? menu_coords
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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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