diff options
| -rw-r--r-- | .nasm/segments.txt | 2 | ||||
| -rw-r--r-- | src/enemies.s | 19 |
2 files changed, 17 insertions, 4 deletions
diff --git a/.nasm/segments.txt b/.nasm/segments.txt index 3c85c8f..5b1f542 100644 --- a/.nasm/segments.txt +++ b/.nasm/segments.txt @@ -1,4 +1,4 @@ - HEADER: 16/16 (100%) -- ROM0: 5467/32762 (16.69%) +- ROM0: 5471/32762 (16.70%) - ROMV: 6/6 (100%) - ROM2: 8192/8192 (100%) diff --git a/src/enemies.s b/src/enemies.s index 7aa8df1..53f6685 100644 --- a/src/enemies.s +++ b/src/enemies.s @@ -116,6 +116,21 @@ sty zp_enemies_pool_size @enemies_init_loop: + jsr init_enemy_x + + ;; Next enemy! + dey + bne @enemies_init_loop + + rts + .endproc + + ;; Initialize the enemy from the pool as indexed by the 'x' register. + ;; + ;; NOTE: the 'x' register will be advanced by the amount of bytes it takes + ;; to store an enemy on the poll (i.e. 4 bytes). + ;; NOTE: the 'y' register is not touched. + .proc init_enemy_x ;; The state is set at random. stx Globals::zp_tmp0 jsr Prng::random_valid_y_coordinate @@ -148,10 +163,8 @@ inx sta zp_enemies_pool_base, x - ;; Next enemy! + ;; And point to the next enemy. inx - dey - bne @enemies_init_loop rts .endproc |