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| author | yenatch <yenatch@gmail.com> | 2017-12-23 13:17:46 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-23 13:17:46 -0500 |
| commit | 878092004956418bfd77bfdb9fc9dd7f640f80d2 (patch) | |
| tree | 3a97e3eb15d5c545977038e67589f92158e5bf23 /macros/coords.asm | |
| parent | a6656a986bf9dde51561cab090648e0117b173ad (diff) | |
| parent | 3c37bfc6fa2570a0a77c1230673910257ecf32df (diff) | |
Merge pull request #419 from roukaour/master
More reorganization and documentation
Diffstat (limited to 'macros/coords.asm')
| -rw-r--r-- | macros/coords.asm | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/macros/coords.asm b/macros/coords.asm new file mode 100644 index 000000000..2a672c3d0 --- /dev/null +++ b/macros/coords.asm @@ -0,0 +1,51 @@ +bccoord equs "coord bc," +decoord equs "coord de," +hlcoord equs "coord hl," + +coord: MACRO +; register, x, y[, origin] + if _NARG < 4 + ld \1, TileMap + SCREEN_WIDTH * (\3) + (\2) + else + ld \1, \4 + SCREEN_WIDTH * (\3) + (\2) + endc + ENDM + +dwcoord: MACRO + rept _NARG / 2 + dw TileMap + SCREEN_WIDTH * (\2) + (\1) + shift + shift + endr + ENDM + +ldcoord_a: MACRO + if _NARG < 3 + ld [TileMap + SCREEN_WIDTH * (\2) + (\1)], a + else + ld [\3 + SCREEN_WIDTH * (\2) + (\1)], a + endc + ENDM + +lda_coord: MACRO + if _NARG < 3 + ld a, [TileMap + SCREEN_WIDTH * (\2) + (\1)] + else + ld a, [\3 + SCREEN_WIDTH * (\2) + (\1)] + endc + ENDM + + +bgrows EQUS "* $20" ; SCREEN_WIDTH + +hlbgcoord EQUS "bgcoord hl," +debgcoord EQUS "bgcoord de," +bcbgcoord EQUS "bgcoord bc," + +bgcoord: MACRO +IF _NARG >= 4 + ld \1, \3 bgrows + \2 + \4 +ELSE + ld \1, \3 bgrows + \2 + VBGMap0 +ENDC +ENDM |