dos33fsprogs/joystick/js_test.s
2020-09-05 00:36:07 -04:00

116 lines
1.8 KiB
ArmAsm

; Joystick Test
; by deater (Vince Weaver) <vince@deater.net>
; Zero Page
.include "zp.inc"
.include "hardware.inc"
; .include "common_defines.inc"
; .include "common_routines.inc"
js_test:
;===================
; init screen
;===================
jsr TEXT
jsr HOME
bit KEYRESET
bit SET_GR
bit LORES
bit FULLGR
lda #0
sta DRAW_PAGE
; init cursor
lda #20
sta CURSOR_X
sta CURSOR_Y
lda #0
sta LEVEL_OVER
;============================
; set up initial location
; lda #TITLE_BOOK_GROUND
; sta LOCATION ; start at first room
; lda #DIRECTION_N
; sta DIRECTION
; jsr change_location
lda #1
sta CURSOR_VISIBLE ; visible at first
sta JOYSTICK_ENABLED
game_loop:
;=================
; reset things
;=================
lda #0
sta IN_SPECIAL
sta IN_RIGHT
sta IN_LEFT
;====================================
; copy background to current page
;====================================
jsr gr_copy_to_current
;====================================
; draw pointer
;====================================
jsr draw_pointer
;====================================
; page flip
;====================================
jsr page_flip
;====================================
; handle keypress/joystick
;====================================
jsr handle_keypress
;====================================
; inc frame count
;====================================
inc FRAMEL
bne room_frame_no_oflo
inc FRAMEH
room_frame_no_oflo:
;====================================
; check level over
;====================================
; lda LEVEL_OVER
; bne really_exit
jmp game_loop
;really_exit:
; jmp really_exit
.include "common_sprites.inc"
.include "draw_pointer.s"
.include "gr_putsprite_crop.s"
.include "gr_offsets.s"
.include "keyboard.s"
.include "gr_copy.s"
.include "gr_pageflip.s"
.include "joystick.s"