diff options
Diffstat (limited to 'macros/coords.asm')
| -rw-r--r-- | macros/coords.asm | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/macros/coords.asm b/macros/coords.asm new file mode 100644 index 00000000..302260d7 --- /dev/null +++ b/macros/coords.asm @@ -0,0 +1,65 @@ +validateCoords: MACRO + IF \1 >= SCREEN_WIDTH + fail "x coord out of range" + ENDC + IF \2 >= SCREEN_HEIGHT + fail "y coord out of range" + ENDC +ENDM + +;\1 = r +;\2 = X +;\3 = Y +;\4 = which tilemap (optional) +coord: MACRO + validateCoords \2, \3 + IF _NARG >= 4 + ld \1, \4 + SCREEN_WIDTH * \3 + \2 + ELSE + ld \1, wTileMap + SCREEN_WIDTH * \3 + \2 + ENDC +ENDM + +;\1 = X +;\2 = Y +;\3 = which tilemap (optional) +aCoord: MACRO + validateCoords \1, \2 + IF _NARG >= 3 + ld a, [\3 + SCREEN_WIDTH * \2 + \1] + ELSE + ld a, [wTileMap + SCREEN_WIDTH * \2 + \1] + ENDC +ENDM + +;\1 = X +;\2 = Y +;\3 = which tilemap (optional) +Coorda: MACRO + validateCoords \1, \2 + IF _NARG >= 3 + ld [\3 + SCREEN_WIDTH * \2 + \1], a + ELSE + ld [wTileMap + SCREEN_WIDTH * \2 + \1], a + ENDC +ENDM + +;\1 = X +;\2 = Y +;\3 = which tilemap (optional) +dwCoord: MACRO + validateCoords \1, \2 + IF _NARG >= 3 + dw \3 + SCREEN_WIDTH * \2 + \1 + ELSE + dw wTileMap + SCREEN_WIDTH * \2 + \1 + ENDC +ENDM + +;\1 = r +;\2 = X +;\3 = Y +;\4 = map width +overworldMapCoord: MACRO + ld \1, wOverworldMap + ((\2) + 3) + (((\3) + 3) * ((\4) + (3 * 2))) +ENDM |