dos33fsprogs/tfv/tfv.s
Vince Weaver efdcf2bada tfv: fix opener bug only seen on real hardware
was depending on random setting of value in zero page
2017-11-17 16:29:33 -05:00

115 lines
2.0 KiB
ArmAsm

.include "tfv_zp.inc"
;================================
; Clear screen and setup graphics
;================================
jsr HOME
jsr set_gr_page0
lda #0
sta DISP_PAGE ; Forgot to set initially
; real hardware and AppleWin default
; to different values
;===================================
; zero out the zero page that we use
;===================================
; memset()
;===================================
; Clear top/bottom of page 0 and 1
;===================================
jsr clear_screens
;==========================
; Do Opening
;==========================
jsr opening
;======================
; show the title screen
;======================
jsr title_screen
;======================
; get name
;======================
jsr enter_name
;=====================
; Flying
;=====================
jsr flying_start
;=====================
; World Map
;=====================
jsr world_map
;=====================
; Game Over
;=====================
jsr game_over
;=====================
; All finished
;=====================
exit:
lda #$4
sta BASH
lda #$0
sta BASL ; restore to 0x400 (page 0)
; copy to 0x400 (page 0)
; call home
jsr HOME
; Return to BASIC?
rts
;===============================================
; External modules
;===============================================
.include "tfv_opener.s"
.include "tfv_utils.s"
.include "tfv_title.s"
.include "tfv_textentry.s"
.include "tfv_info.s"
.include "tfv_flying.s"
.include "tfv_worldmap.s"
;===============================================
; Variables
;===============================================
enter_name_string:
.asciiz "PLEASE ENTER A NAME:"
name:
.byte $0,$0,$0,$0,$0,$0,$0,$0
; waste memory with a lookup table
; maybe faster than using GBASCALC?
gr_offsets:
.word $400,$480,$500,$580,$600,$680,$700,$780
.word $428,$4a8,$528,$5a8,$628,$6a8,$728,$7a8
.word $450,$4d0,$550,$5d0,$650,$6d0,$750,$7d0
.include "tfv_sprites.inc"
.include "tfv_backgrounds.inc"