dos33fsprogs/games/riven_hgr/level_maglev.s
2024-05-21 23:13:56 -04:00

164 lines
2.3 KiB
ArmAsm

; Riven -- Dome Island, Inside Maglev
; by deater (Vince Weaver) <vince@deater.net>
; Zero Page
.include "zp.inc"
.include "hardware.inc"
.include "common_defines.inc"
riven_maglev:
;===================
; init screen
;===================
jsr TEXT
jsr HOME
bit KEYRESET
bit SET_GR
bit PAGE1
bit HIRES
bit FULLGR
;========================
; set up location
;========================
lda #<locations
sta LOCATIONS_L
lda #>locations
sta LOCATIONS_H
lda #0
sta DRAW_PAGE
sta LEVEL_OVER
lda #0
sta JOYSTICK_ENABLED
sta UPDATE_POINTER
lda #1
sta CURSOR_VISIBLE
lda #20
sta CURSOR_X
sta CURSOR_Y
;===================================
; init
;===================================
; done in title
; lda #$20
; sta HGR_PAGE
; jsr hgr_make_tables
jsr change_location
jsr save_bg_14x14 ; save old bg
game_loop:
;===================================
; draw pointer
;===================================
jsr draw_pointer
;===================================
; handle keypress/joystick
;===================================
jsr handle_keypress
;===================================
; increment frame count
;===================================
inc FRAMEL
bne frame_no_oflo
inc FRAMEH
frame_no_oflo:
;====================================
; check level over
;====================================
lda LEVEL_OVER
bne really_exit
jmp game_loop
really_exit:
rts
;=====================================
; handle1 clicked
;=====================================
; flip us to the east
; go lores and play the movie
handle1_clicked:
bit SPEAKER
lda #LOAD_MOVIE1
sta WHICH_LOAD
lda #1
sta LEVEL_OVER
bit SPEAKER
rts
;=====================================
; handle2 clicked
;=====================================
; go for maglev ride
handle2_clicked:
bit SPEAKER
lda #LOAD_MOVIE2
sta WHICH_LOAD
lda #1
sta LEVEL_OVER
bit SPEAKER
rts
;==========================
; includes
;==========================
.include "zx02_optim.s"
.include "keyboard.s"
.include "hgr_14x14_sprite.s"
.include "draw_pointer.s"
.include "log_table.s"
.include "graphics_maglev/maglev_graphics.inc"
;.include "common_sprites.inc"
.include "graphics_sprites/pointer_sprites.inc"
.include "leveldata_maglev.inc"