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https://github.com/deater/dos33fsprogs.git
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79 lines
1.0 KiB
ArmAsm
79 lines
1.0 KiB
ArmAsm
; Ootw
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.include "zp.inc"
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.include "hardware.inc"
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title_screen:
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;===========================
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; Enable graphics
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bit LORES
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bit SET_GR
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bit FULLGR
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;===========================
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; Clear both bottoms
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lda #$4
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sta DRAW_PAGE
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jsr clear_bottom
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lda #$0
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sta DRAW_PAGE
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jsr clear_bottom
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lda #0
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sta DRAW_PAGE
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lda #1
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sta DISP_PAGE
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;=============================
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; Load title_rle
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lda #$0c
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sta BASH
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lda #$00
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sta BASL ; load image off-screen 0xc00
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lda #>(planet_rle)
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sta GBASH
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lda #<(planet_rle)
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sta GBASL
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jsr load_rle_gr
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;=================================
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; copy to both pages
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jsr gr_copy_to_current
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jsr page_flip
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jsr gr_copy_to_current
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lda #20
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sta YPOS
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lda #20
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sta XPOS
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;=================================
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; wait for keypress
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forever:
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jsr wait_until_keypress
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; jsr TEXT
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jsr page_flip
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jmp forever
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.include "wait_keypress.s"
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.include "gr_pageflip.s"
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.include "gr_unrle.s"
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.include "gr_fast_clear.s"
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.include "gr_copy.s"
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.include "ootw_backgrounds.inc"
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