mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-04 05:05:13 +00:00
130 lines
2.3 KiB
ArmAsm
130 lines
2.3 KiB
ArmAsm
;=================================
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; action_stars
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;=================================
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; and take 4504 cycles to do it
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; we take 4501, so waste 3
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action_stars:
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jsr draw_stars ; 6+4492 = 4498
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ldy FRAME ;nop ; 3
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jmp fw_check_keyboard ; 3
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;=================================
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; action_launch_firework
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;=================================
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; and take 4504 cycles to do it
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; we take 423 so waste 4081
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action_launch_firework:
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; Try X=26 Y=30 cycles=4081
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ldy #30 ; 2
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Xloop1: ldx #26 ; 2
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Xloop2: dex ; 2
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bne Xloop2 ; 2nt/3
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dey ; 2
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bne Xloop1 ; 2nt/3
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jsr launch_firework ; 6+414 = 420
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jmp fw_check_keyboard ; 3
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;=================================
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; action_move_rocket
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;=================================
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; and take 4504 cycles to do it
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; we take 1245 so waste 3259
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action_move_rocket:
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; Try X=35 Y=18 cycles=3259
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ldy #18 ; 2
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Yloop1: ldx #35 ; 2
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Yloop2: dex ; 2
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bne Yloop2 ; 2nt/3
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dey ; 2
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bne Yloop1 ; 2nt/3
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jsr move_rocket ; 6+1236 = 1242
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jmp fw_check_keyboard ; 3
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;=================================
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; action_start_explosion
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;=================================
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; and take 4504 cycles to do it
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; we take 449 so waste 4055
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action_start_explosion:
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; Try X=15 Y=50 cycles=4051 R4
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nop
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nop
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ldy #50 ; 2
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Zloop1: ldx #15 ; 2
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Zloop2: dex ; 2
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bne Zloop2 ; 2nt/3
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dey ; 2
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bne Zloop1 ; 2nt/3
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jsr start_explosion ; 6+440 = 446
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jmp fw_check_keyboard ; 3
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.align $100
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;=================================
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; action_continue_explosion
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;=================================
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; and take 4504 cycles to do it
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; we take 4495 so waste 9
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action_continue_explosion:
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lda STATE ; nop 3
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lda STATE ; nop 3
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lda STATE ; nop 3
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jsr continue_explosion ; 6+4486 = 4492
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jmp fw_check_keyboard ; 3
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;=================================
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; action_stall_rocket
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;=================================
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; and take 4504 cycles to do it
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; 4504 - 8 = 4496
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action_stall_rocket:
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lda #STATE_MOVE_ROCKET ; 2
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sta STATE ; 3
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; Try X=12 Y=68 cycles=4489 R7
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nop ;
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nop ;
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lda STATE ;3
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ldy #68 ; 2
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Bloop1: ldx #12 ; 2
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Bloop2: dex ; 2
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bne Bloop2 ; 2nt/3
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dey ; 2
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bne Bloop1 ; 2nt/3
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jmp fw_check_keyboard ; 3
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