2024-05-17 04:10:29 +00:00
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; Riven -- Dome Island, Inside Maglev
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; by deater (Vince Weaver) <vince@deater.net>
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; Zero Page
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2024-06-16 04:34:42 +00:00
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.include "../zp.inc"
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.include "../hardware.inc"
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.include "../common_defines.inc"
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.include "../qload.inc"
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2024-06-16 04:38:13 +00:00
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.include "disk39_defines.inc"
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2024-05-17 04:10:29 +00:00
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riven_maglev:
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;===================
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; init screen
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;===================
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2024-05-29 03:10:32 +00:00
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; jsr TEXT
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2024-05-29 03:13:42 +00:00
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jsr HOME
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2024-05-17 04:10:29 +00:00
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bit KEYRESET
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bit SET_GR
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bit PAGE1
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bit HIRES
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bit FULLGR
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;========================
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; set up location
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;========================
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lda #<locations
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sta LOCATIONS_L
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lda #>locations
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sta LOCATIONS_H
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lda #0
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sta DRAW_PAGE
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sta LEVEL_OVER
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lda #0
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sta JOYSTICK_ENABLED
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sta UPDATE_POINTER
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lda #1
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sta CURSOR_VISIBLE
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lda #20
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sta CURSOR_X
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sta CURSOR_Y
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;===================================
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; init
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;===================================
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jsr change_location
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jsr save_bg_14x14 ; save old bg
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game_loop:
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;===================================
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; draw pointer
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;===================================
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jsr draw_pointer
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;===================================
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; handle keypress/joystick
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;===================================
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jsr handle_keypress
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;===================================
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; increment frame count
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;===================================
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inc FRAMEL
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bne frame_no_oflo
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inc FRAMEH
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frame_no_oflo:
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;====================================
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; check level over
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;====================================
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lda LEVEL_OVER
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bne really_exit
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jmp game_loop
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really_exit:
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rts
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2024-05-17 17:07:47 +00:00
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;=====================================
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2024-06-17 17:57:21 +00:00
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; handle clicked facing west
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2024-05-17 17:07:47 +00:00
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;=====================================
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2024-06-17 17:57:21 +00:00
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; all we can do here is flip
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2024-05-17 17:07:47 +00:00
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; flip us to the east
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; go lores and play the movie
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handle1_clicked:
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bit SPEAKER
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2024-08-12 04:48:01 +00:00
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lda STATE_MAGLEV ; set to 1
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ora #MAGLEV1_DIRECTION
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sta STATE_MAGLEV
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2024-06-17 17:57:21 +00:00
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2024-05-17 17:07:47 +00:00
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lda #LOAD_MOVIE1
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sta WHICH_LOAD
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lda #1
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sta LEVEL_OVER
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bit SPEAKER
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rts
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2024-05-22 03:13:56 +00:00
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;=====================================
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2024-06-17 17:57:21 +00:00
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; handle clicked facing east
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2024-05-22 03:13:56 +00:00
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;=====================================
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2024-06-17 17:57:21 +00:00
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; if x<27, go for maglev ride
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; else, flip back west
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2024-05-22 03:13:56 +00:00
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handle2_clicked:
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bit SPEAKER
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2024-06-17 17:57:21 +00:00
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lda CURSOR_X
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cmp #27
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bcc go_for_maglev
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2024-08-12 04:48:01 +00:00
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lda STATE_MAGLEV ; clear to 0
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2024-08-15 14:51:31 +00:00
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and #<(~MAGLEV1_DIRECTION)
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2024-08-12 04:48:01 +00:00
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sta STATE_MAGLEV
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2024-06-17 17:57:21 +00:00
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lda #LOAD_MOVIE1
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jmp common_handle2
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go_for_maglev:
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2024-05-22 03:13:56 +00:00
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lda #LOAD_MOVIE2
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2024-06-17 17:57:21 +00:00
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common_handle2:
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2024-05-22 03:13:56 +00:00
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sta WHICH_LOAD
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lda #1
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sta LEVEL_OVER
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bit SPEAKER
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rts
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2024-05-17 04:10:29 +00:00
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;==========================
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; includes
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;==========================
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.include "graphics_maglev/maglev_graphics.inc"
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2024-06-16 04:34:42 +00:00
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.include "leveldata_maglev.inc"
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