That is, would this be valid code for the TI-89 ? :
Obj47_Main:
tst.b render_flags(a0)
bpl.s BranchTo_JmpTo12_MarkObjGone
move.w #$1B,d1
move.w #4,d2
move.w #5,d3
move.w x_pos(a0),d4
jsrto (SolidObject).l, JmpTo6_SolidObject
move.b #0,mapping_frame(a0)
move.b subtype(a0),d0
andi.w #$F,d0
lea (ButtonVine_Trigger).w,a3
lea (a3,d0.w),a3
moveq #0,d3
btst #6,subtype(a0)
beq.s +
moveq #7,d3
+
move.b status(a0),d0
andi.b #standing_mask,d0
bne.s +
bclr d3,(a3)
bra.s BranchTo_JmpTo12_MarkObjGone