mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 00:31:52 +00:00
199 lines
3.4 KiB
ArmAsm
199 lines
3.4 KiB
ArmAsm
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;****** ** **** **** ** ** ****** **** ****** ****** ******
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;** ** **** ** ** ** ** ** ** ** ** ** ** **
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;** ** ** **** **** ****** **** ****** ** ****** ******
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;** ** ** ** ** ** ** ** ** ** ** ** **
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;****** ****** ****** **** ** **** ****** ** ****** **
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;===========================
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; gr put num
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;===========================
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; damage in DAMAGE_VAL_LO/HI (BCD)
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; location in XPOS,YPOS
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gr_put_num:
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lda #$ff
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; color should be in A when we get here
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gr_put_num_color:
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sta COLOR
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lda #1
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sta gr_put_num_leading_zero
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; put high digit first
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lda DAMAGE_VAL_HI
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beq gr_put_num_bottom_byte
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jsr gr_put_num_byte
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gr_put_num_bottom_byte:
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lda DAMAGE_VAL_LO
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; fallthrough
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;=================================
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; print two-digit BCD number in A
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gr_put_num_byte:
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pha ; store on stack
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gr_put_num_tens:
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and #$f0
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bne gr_put_num_print_tens
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; was zero, check if we should print
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lda gr_put_num_leading_zero ; if 1, we skip
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bne gr_put_num_ones
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pla ; restore value
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pha
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gr_put_num_print_tens:
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; we were non-zero, notify leading zero
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ldy #0
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sty gr_put_num_leading_zero
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; print tens digit
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lsr
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lsr
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lsr
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lsr
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asl
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tay
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lda number_sprites,Y
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sta INL
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lda number_sprites+1,Y
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sta INH
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jsr put_sprite_mask
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; point to next
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lda XPOS
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clc
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adc #4
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sta XPOS
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gr_put_num_ones:
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; we were non-zero, notify leading zero
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ldy #0
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sty gr_put_num_leading_zero
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; print ones digit
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pla
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and #$f
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asl
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tay
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lda number_sprites,Y
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sta INL
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lda number_sprites+1,Y
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sta INH
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jsr put_sprite_mask
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rts
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gr_put_num_leading_zero: .byte $01
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; Numbers
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; ****** ** **** **** ** ** ****** **** ****** ****** ******
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; ** ** **** ** ** ** ** ** ** ** ** ** ** **
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; ** ** ** **** **** ****** **** ****** ** ****** ******
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; ** ** ** ** ** ** ** ** ** ** ** ** **
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; ****** ****** ****** **** ** **** ****** ** ****** **
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number_sprites:
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.word number0_sprite
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.word number1_sprite
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.word number2_sprite
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.word number3_sprite
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.word number4_sprite
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.word number5_sprite
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.word number6_sprite
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.word number7_sprite
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.word number8_sprite
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.word number9_sprite
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.word numberX_sprite
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.word numberX_sprite
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.word numberX_sprite
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.word numberX_sprite
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.word numberX_sprite
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.word numberX_sprite
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number0_sprite:
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.byte $3,$3
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.byte $55,$A5,$55
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.byte $55,$AA,$55
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.byte $A5,$A5,$A5
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number1_sprite:
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.byte $3,$3
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.byte $5A,$55,$AA
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.byte $AA,$55,$AA
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.byte $A5,$A5,$A5
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number2_sprite:
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.byte $3,$3
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.byte $A5,$A5,$5A
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.byte $5A,$A5,$A5
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.byte $A5,$A5,$A5
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number3_sprite:
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.byte $3,$3
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.byte $A5,$A5,$5A
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.byte $A5,$A5,$5A
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.byte $A5,$A5,$AA
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number4_sprite:
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.byte $3,$3
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.byte $55,$AA,$55
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.byte $A5,$A5,$55
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.byte $AA,$AA,$A5
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number5_sprite:
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.byte $3,$3
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.byte $55,$A5,$A5
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.byte $A5,$A5,$5A
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.byte $A5,$A5,$AA
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number6_sprite:
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.byte $3,$3
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.byte $5A,$A5,$A5
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.byte $55,$A5,$55
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.byte $A5,$A5,$A5
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number7_sprite:
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.byte $3,$3
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.byte $A5,$A5,$55
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.byte $AA,$55,$AA
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.byte $AA,$A5,$AA
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number8_sprite:
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.byte $3,$3
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.byte $55,$A5,$55
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.byte $55,$A5,$55
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.byte $A5,$A5,$A5
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number9_sprite:
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.byte $3,$3
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.byte $55,$A5,$55
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.byte $A5,$A5,$55
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.byte $AA,$AA,$A5
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numberX_sprite:
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.byte $3,$3
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.byte $55,$55,$55
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.byte $55,$55,$55
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.byte $55,$55,$55
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