diff options
Diffstat (limited to 'map/utils.gbasm')
| -rw-r--r-- | map/utils.gbasm | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/map/utils.gbasm b/map/utils.gbasm index cf2c4ce..64b2de7 100644 --- a/map/utils.gbasm +++ b/map/utils.gbasm @@ -27,3 +27,44 @@ Pick_Random_Room_Avoid_A: ; input A = room to avoid (or FF if none), output A = POP BC RET +Pick_Room_Position_Avoid_A:; input A = room to avoid (or FF if none), output BC = XY position + CALL =Pick_Random_Room_Avoid_A +Pick_Room_position: ; input A = room to spawn in, output BC = XY position + PUSH HL + PUSH DE + SLA A + SLA A + ADD low($mem_room_list) + LD C, A + + LD B, high($mem_room_list) + + ; X + LD A, (BC) + LD D, A + INC BC + LD A, (BC) + INC A + CALL =RNG_Bound + ADD D + + LD H, A + + INC BC + + ; Y + LD A, (BC) + LD D, A + INC BC + LD A, (BC) + INC A + CALL =RNG_Bound + ADD D + LD L, A + + LD B, H + LD C, L + + POP DE + POP HL + RET |