@ -49,9 +49,9 @@
(ld x 0)(ld y h)(ld dy -1)(dec y)
; test if height is negative
(and r0 h 0x80000000
(and r0 h 0x8000_0000
(nz?
(or h 0xFFFFFFFF_00000000) ; sign extend
(se32 h) ; sign extend to u64
(mul h -1)
(ld dy 1) ; going downward
(ld y 0)