mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-24 12:29:29 +00:00
368 lines
6.0 KiB
ArmAsm
368 lines
6.0 KiB
ArmAsm
; VGI Doom
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.include "zp.inc"
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.include "hardware.inc"
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PT3_LOC = doom_e1_m1
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PT3_ENABLE_APPLE_IIC = 1
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vgi_doom:
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; Init variables
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lda #0
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sta DONE_PLAYING
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lda #1
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sta LOOP ; loop forever
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;=======================
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; Detect Apple II Model
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;========================
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; IRQ setup is different on IIc
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; You can possibly skip this if you only care about II+/IIe
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.ifdef PT3_ENABLE_APPLE_IIC
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jsr detect_appleii_model
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.endif
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;=======================
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; Detect mockingboard
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;========================
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jsr print_mockingboard_detect ; print message
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jsr mockingboard_detect ; call detection routine
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bcs mockingboard_found
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jsr print_mocking_notfound
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; possibly can't detect on IIc so just try with slot#4 anyway
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; even if not detected
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jmp setup_interrupt
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mockingboard_found:
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; print found message
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; modify message to print slot value
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lda MB_ADDR_H
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sec
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sbc #$10
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sta found_message+11
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jsr print_mocking_found
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;==================================================
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; patch the playing code with the proper slot value
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;==================================================
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jsr mockingboard_patch
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setup_interrupt:
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;=======================
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; Set up 50Hz interrupt
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;========================
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jsr mockingboard_init
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jsr mockingboard_setup_interrupt
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;============================
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; Init the Mockingboard
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;============================
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jsr reset_ay_both
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jsr clear_ay_both
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;==================
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; init song
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;==================
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jsr pt3_init_song
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jsr SETGR
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jsr HGR
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jsr HOME
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; bit FULLGR
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jsr vgi_make_tables
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;============================
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; Enable 6502 interrupts
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;============================
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start_interrupts:
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cli ; clear interrupt mask
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; get pointer to image data
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lda #<doom_data
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sta VGIL
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lda #>doom_data
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sta VGIH
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; lda #<clock_data
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; sta VGIL
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; lda #>clock_data
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; sta VGIH
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jsr play_vgi
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; jsr wait_until_keypress
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jsr CROUT1 ; print linefeed/cr
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loopy:
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lda #<string1
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sta OUTL
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lda #>string1
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sta OUTH
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jsr fake_input
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; lda #21
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; sta $22
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jsr fake_input
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jsr fake_input
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done:
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jmp done
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.include "vgi_common.s"
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.include "doom.data"
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; string data
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;
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string1:
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; 01234567890123456789012345678901234567890
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.byte " ====> AMMO: 50 HEALTH: 100% <====",13,0
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string99:
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.byte " ====> AMMO: 50 HEALTH: 100% <====",13
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.byte "YOU ARE SOME SORT OF SPACE MARINE",13
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.byte "YOU HEAR SOME ROCKING CHIPTUNES",0
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; FORWARD
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string2:
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.byte " ====> AMMO: 50 HEALTH: 100% <====",13
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.byte "ARE YOU SURE YOU WANT TO MOVE?",13
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.byte "IT TOOK A BIT TO RENDER THAT LAST FRAME",13,0
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; WADE TO TOWER
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string3:
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.byte "THE KRAKEN WILL EAT YOU",13,0
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; I AM WILLING TO TAKE THAT RISK
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string4:
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.byte "YOU SEE A MYSTERIOUS SPACESHIP",13
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.byte " LEFT/RIGHT/FORWARD",13,0
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string5:
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.byte "YOU ARE CLOSE TO THE SPACESHIP",13
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.byte "YOU SEE A DOOR",13,0
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; OPEN DOOR
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string6:
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.byte "THE DOOR IS LOCKED",13
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.byte "ATRUS HATES YOU",13,0
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;string7:
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;.byte "SORRY, I DON'T UNDERSTAND THAT",0
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string7:
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.byte "YOU SEE A RED BOOK",13
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.byte "NEXT TO IT IS A PAGE",13,0
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string8:
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.byte "WHICH PAGE?",13,0
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string9:
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.byte "I'D SAY IT'S MORE OF A PURPLE COLOR",13,0
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string10:
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.byte "THIS IS A MOST UNUSUAL FIREPLACE",13
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.byte "THERE ARE MANY BUTTONS HERE",13,0
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string11:
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.byte "WHICH BUTTON?",13,0
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string12:
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.byte "THAT WAS NOT THE RIGHT ONE",13,0
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; PICK UP PAGE
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; WHICH PAGE?
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; THE RED ONE
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; I'D SAY IT'S MORE OF A PURPLE COLOR
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; JUST PICK IT UP!
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; THIS WEIRD FIREPLACE HAS MANY BUTTONS
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; PRESS BUTTON
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; WHICH ONE?
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; REALLY?
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; WHICH ONE (0..126)
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; NOTHING HAPPENS
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;=========================
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; print_string
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;=========================
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print_string:
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ldy #0
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print_string_loop:
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lda (OUTL),Y
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beq done_print_string
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ora #$80
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jsr COUT
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iny
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jmp print_string_loop
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done_print_string:
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tya ; point to next string
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sec
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adc OUTL
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sta OUTL
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lda OUTH
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adc #0
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sta OUTH
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rts
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;============================
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; WAIT UNTIL KEYPRESS
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;============================
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wait_until_keypress:
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lda KEYPRESS
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bpl wait_until_keypress
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bit KEYRESET
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rts
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;=============================
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; fake input
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;=============================
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fake_input:
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jsr print_string
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jsr CROUT1 ; print linefeed/cr
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lda #'>'+$80
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jsr COUT
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lda #' '+$80
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jsr COUT
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jsr GETLN1
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rts
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.ifdef PT3_ENABLE_APPLE_IIC
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.include "pt3_lib_detect_model.s"
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.endif
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.include "pt3_lib_core.s"
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.include "pt3_lib_init.s"
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.include "pt3_lib_mockingboard_setup.s"
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.include "interrupt_handler.s"
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; if you're self patching, detect has to be after interrupt_handler.s
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.include "pt3_lib_mockingboard_detect.s"
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;==================================
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; Print mockingboard detect message
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;==================================
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; note: on IIc must do this before enabling interrupt
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; as we disable ROM (COUT won't work?)
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print_mockingboard_detect:
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lda APPLEII_MODEL
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sta apple_message+17
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; print detection message for Apple II type
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ldy #0
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print_apple_message:
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lda apple_message,Y ; load loading message
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beq done_apple_message
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ora #$80
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jsr COUT
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iny
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jmp print_apple_message
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done_apple_message:
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jsr CROUT1
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; print detection message
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ldy #0
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print_mocking_message:
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lda mocking_message,Y ; load loading message
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beq done_mocking_message
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ora #$80
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jsr COUT
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iny
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jmp print_mocking_message
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done_mocking_message:
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jsr CROUT1
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rts
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print_mocking_notfound:
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ldy #0
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print_not_message:
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lda not_message,Y ; load loading message
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beq print_not_message_done
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ora #$80
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jsr COUT
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iny
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jmp print_not_message
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print_not_message_done:
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rts
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print_mocking_found:
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ldy #0
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print_found_message:
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lda found_message,Y ; load loading message
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beq done_found_message
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ora #$80
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jsr COUT
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iny
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jmp print_found_message
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done_found_message:
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rts
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;=========
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; strings
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;=========
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apple_message: .asciiz "DETECTED APPLE II "
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mocking_message: .asciiz "LOOKING FOR MOCKINGBOARD: "
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not_message: .byte "NOT "
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found_message: .asciiz "FOUND SLOT#4"
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.align $100
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doom_e1_m1:
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.incbin "doom_e1m1.pt3"
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