mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 15:29:34 +00:00
134 lines
1.8 KiB
ArmAsm
134 lines
1.8 KiB
ArmAsm
; Ootw mesa at far right
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ootw_mesa:
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;===========================
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; Enable graphics
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bit LORES
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bit SET_GR
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bit FULLGR
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;===========================
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; Setup pages (is this necessary?)
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lda #0
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sta DRAW_PAGE
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lda #1
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sta DISP_PAGE
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;===========================
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; Setup right/left exit paramaters
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lda #20
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sta RIGHT_LIMIT
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lda #0 ; until we learn to climb slopes?
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sta LEFT_LIMIT
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;=============================
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; Load background to $c00
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lda #>(cavern3_rle)
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sta GBASH
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lda #<(cavern3_rle)
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sta GBASL
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lda #$c ; load image off-screen $c00
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jsr load_rle_gr
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;=================================
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; copy to both pages $400/$800
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jsr gr_copy_to_current
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jsr page_flip
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jsr gr_copy_to_current
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;=================================
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; setup vars
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lda #0
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sta GAIT
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sta GAME_OVER
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;============================
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; Rope Loop
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;============================
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mesa_loop:
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;================================
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; copy background to current page
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jsr gr_copy_to_current
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;===============================
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; check keyboard
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jsr handle_keypress
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;===============
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; draw physicist
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jsr draw_physicist
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;===============
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; page flip
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jsr page_flip
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;================
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; inc frame count
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inc FRAMEL
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bne mesa_frame_no_oflo
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inc FRAMEH
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mesa_frame_no_oflo:
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; check if done this level
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lda GAME_OVER
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beq not_done_mesa
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cmp #$ff ; check if dead
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beq done_mesa
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;====================
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; check if leaving room
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mesa_check_right:
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cmp #$2
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bne mesa_check_left
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lda BEAST_OUT ; trigger beast
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bne not_done_mesa
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lda #1
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sta BEAST_OUT
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jsr beast_cutscene
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jmp not_done_mesa
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mesa_check_left:
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cmp #$1
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bne not_done_mesa
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; off screen to left
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mesa_off_left:
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lda #37
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sta PHYSICIST_X
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lda #1
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sta WHICH_CAVE
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jmp ootw_cavern
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not_done_mesa:
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; loop forever
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jmp mesa_loop
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done_mesa:
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rts
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