dos33fsprogs/games/ootw/intro/intro.s

146 lines
2.5 KiB
ArmAsm

;==========================
; OOTW -- The Famous Intro
;==========================
.include "../zp.inc"
.include "../hardware.inc"
intro:
lda #0
sta INTRO_REPEAT ; by default, don't repeat
bit KEYRESET ; clear keyboard buffer
repeat_intro:
;===========================
; Enable graphics
bit LORES ; 40x40 lo-res
bit SET_GR
bit FULLGR ; full screen
;===========================
; Setup pages
lda #4 ; page to draw
sta DRAW_PAGE
lda #0 ; page to display
sta DISP_PAGE
; jmp tunnel1 ; debug, skip ahead
;===============================
; Opening scene with car
jsr intro_01_building
;===============================
; Walking to door
jsr intro_02_outer_door
;===============================
; Elevator
jsr intro_03_elevator
;===============================
; Keypad
jsr intro_04_keypad
;===============================
; Scanner
jsr intro_05_scanner
;===============================
; Nuclear Physics, part 1
jsr intro_06_console_part1
;===============================
; Drinking some Soda
jsr intro_07_soda
;===============================
; Nuclear Physics, part 2
jsr intro_06_console_part2
;===============================
; Lightning outside
jsr intro_08_lightning
;===============================
; Down in the tunnels
jsr intro_09_tunnel
;===============================
; Zapped
jsr intro_10_gone
; see if R pressed, if so, repeat
; otherwise, return and indicate we want to start the game
lda KEYPRESS
bpl check_repeat ; if no keypress, jump ahead
and #$7f ; clear high bit
cmp #'R'
bne check_repeat
lda INTRO_REPEAT
eor #$1
sta INTRO_REPEAT
check_repeat:
bit KEYRESET ; reset keyboard strobe
lda INTRO_REPEAT
beq done_intro
jmp repeat_intro
done_intro:
lda #1 ; start game
sta WHICH_LOAD
rts
.include "../gr_pageflip.s"
;.include "../gr_unrle.s"
;.include "../lz4_decode.s"
.include "../decompress_fast_v2.s"
.include "../gr_copy.s"
.include "../gr_offsets.s"
.include "../gr_overlay.s"
.include "../gr_vlin.s"
.include "../gr_plot.s"
.include "../gr_fast_clear.s"
.include "../gr_putsprite.s"
.include "../text_print.s"
.include "../gr_run_sequence.s"
;========================
; load all the sub-parts
;========================
.include "intro_01_building.s"
.include "intro_02_outer_door.s"
.include "intro_03_elevator.s"
.include "intro_04_keypad.s"
.include "intro_05_scanner.s"
.include "intro_06_console.s"
.include "intro_07_soda.s"
.include "intro_08_lightning.s"
.include "intro_09_tunnel.s"
.include "intro_10_gone.s"