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Diffstat (limited to 'engine/routines/getsquareroot.asm')
| -rw-r--r-- | engine/routines/getsquareroot.asm | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/engine/routines/getsquareroot.asm b/engine/routines/getsquareroot.asm index 0ba2e50a5..412fd04ff 100644 --- a/engine/routines/getsquareroot.asm +++ b/engine/routines/getsquareroot.asm @@ -1,3 +1,5 @@ +NUM_SQUARE_ROOTS EQU 255 + GetSquareRoot: ; 13b87 ; Return the square root of de in b. @@ -10,7 +12,7 @@ GetSquareRoot: ; 13b87 ; Make sure we don't go past the end of the table. inc b ld a, b - cp $ff + cp NUM_SQUARE_ROOTS ret z ; Iterate over the table until b**2 >= de. @@ -23,8 +25,8 @@ GetSquareRoot: ; 13b87 ret .Squares: ; 13b98 -root = 1 - rept $ff - dw root * root -root = root + 1 - endr +x = 1 +rept NUM_SQUARE_ROOTS + dw x * x +x = x + 1 +endr |