Created
March 7, 2018 22:06
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ASM dump of state of the art track loader
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| 000DC000 dc.b $44 ; D | |
| 000DC001 dc.b $4F ; O | |
| 000DC002 dc.b $53 ; S | |
| 000DC003 dc.b 0 | |
| 000DC004 dc.b $70 ; p | |
| 000DC005 dc.b $5E ; ^ | |
| 000DC006 dc.b $10 | |
| 000DC007 dc.b $C4 ; - | |
| 000DC008 dc.b $53 ; S | |
| 000DC009 dc.b $4B ; K | |
| 000DC00A dc.b $49 ; I | |
| 000DC00B dc.b $44 ; D | |
| 000DC00C ; --------------------------------------------------------------------------- | |
| 000DC00C bsr.w sub_DC2B4 | |
| 000DC010 move.w #$7FFF,(word_DFF09A).l | |
| 000DC018 movea.l #$9A0,sp | |
| 000DC01E lea $DC034,a0 | |
| 000DC022 lea $DC2B4,a1 | |
| 000DC026 lea ($100).w,a2 | |
| 000DC02A | |
| 000DC02A loc_DC02A: ; CODE XREF: RAM:000DC02Ej | |
| 000DC02A move.b (a0)+,(a2)+ | |
| 000DC02C cmpa.l a0,a1 | |
| 000DC02E bne.s loc_DC02A | |
| 000DC030 jmp $100 | |
| 000DC034 ; --------------------------------------------------------------------------- | |
| 000DC034 | |
| 000DC034 loc_DC034: | |
| 000DC034 lea $DC03E,a0 | |
| 000DC038 move.l a0,($80).w | |
| 000DC03C trap #0 | |
| 000DC03E | |
| 000DC03E loc_DC03E: | |
| 000DC03E movea.l ($7C).w,sp | |
| 000DC042 adda.l #$7FFF0,sp | |
| 000DC048 move.w #$FFF,($20292).l | |
| 000DC050 move.w #$FFF,($7FFF0).l | |
| 000DC058 lea $DC294,a0 | |
| 000DC05C move.l a0,(dword_DFF080).l | |
| 000DC062 move.w (word_DFF088).l,d0 | |
| 000DC068 move.w #$83C0,(word_DFF096).l | |
| 000DC070 | |
| 000DC070 loc_DC070: ; CODE XREF: RAM:000DC078j | |
| 000DC070 btst #$E,(byte_DFF002).l | |
| 000DC078 bne.s loc_DC070 | |
| 000DC07A move.l #$1000000,(dword_DFF040).l | |
| 000DC084 move.l #$FFFFFFFF,(dword_DFF044).l | |
| 000DC08E move.w #0,(word_DFF066).l | |
| 000DC096 move.l #$60000,(dword_DFF054).l | |
| 000DC0A0 move.w #$FFFF,(word_DFF058).l | |
| 000DC0A8 movea.l #$3EC00,a0 | |
| 000DC0AE move.w #0,d0 | |
| 000DC0B2 moveq #2,d1 | |
| 000DC0B4 bsr.s sub_DC0BC | |
| 000DC0B6 jmp $3F000 | |
| 000DC0BC | |
| 000DC0BC sub_DC0BC: ; CODE XREF: RAM:000DC0B4p | |
| 000DC0BC movem.l d0-a6,-(sp) | |
| 000DC0C0 bsr.w sub_DC266 | |
| 000DC0C4 bsr.s sub_DC0CC | |
| 000DC0C6 movem.l (sp)+,d0-a6 | |
| 000DC0CA rts | |
| 000DC0CC | |
| 000DC0CC sub_DC0CC: ; CODE XREF: RAM:000DC0C4p | |
| 000DC0CC lea ($DFF000).l,a5 | |
| 000DC0D2 subq.w #1,d1 | |
| 000DC0D4 st (byte_BFD100).l | |
| 000DC0DA bsr.w sub_DC284 | |
| 000DC0DE bclr #7,(byte_BFD100).l | |
| 000DC0E6 bsr.w sub_DC284 | |
| 000DC0EA bclr #3,(byte_BFD100).l | |
| 000DC0F2 bsr.w sub_DC284 | |
| 000DC0F6 bsr.w sub_DC278 | |
| 000DC0FA bset #1,(byte_BFD100).l | |
| 000DC102 | |
| 000DC102 loc_DC102: ; CODE XREF: RAM:000DC124j | |
| 000DC102 btst #4,(byte_BFE001).l | |
| 000DC10A beq.s loc_DC126 | |
| 000DC10C bclr #0,(byte_BFD100).l | |
| 000DC114 bsr.w sub_DC284 | |
| 000DC118 bset #0,(byte_BFD100).l | |
| 000DC120 bsr.w sub_DC28A | |
| 000DC124 bra.s loc_DC102 | |
| 000DC126 ; --------------------------------------------------------------------------- | |
| 000DC126 | |
| 000DC126 loc_DC126: ; CODE XREF: RAM:000DC10Aj | |
| 000DC126 bset #2,(byte_BFD100).l | |
| 000DC12E moveq #0,d2 | |
| 000DC130 move.b d0,d2 | |
| 000DC132 lsr.w #1,d2 | |
| 000DC134 bcc.s loc_DC13E | |
| 000DC136 bclr #2,(byte_BFD100).l | |
| 000DC13E | |
| 000DC13E loc_DC13E: ; CODE XREF: RAM:000DC134j | |
| 000DC13E subq.w #1,d2 | |
| 000DC140 bmi.s loc_DC166 | |
| 000DC142 bclr #1,(byte_BFD100).l | |
| 000DC14A | |
| 000DC14A loc_DC14A: ; CODE XREF: RAM:000DC162j | |
| 000DC14A bclr #0,(byte_BFD100).l | |
| 000DC152 bsr.w sub_DC284 | |
| 000DC156 bset #0,(byte_BFD100).l | |
| 000DC15E bsr.w sub_DC28A | |
| 000DC162 dbf d2,loc_DC14A | |
| 000DC166 | |
| 000DC166 loc_DC166: ; CODE XREF: RAM:000DC140j | |
| 000DC166 ; RAM:loc_DC232j | |
| 000DC166 bsr.w sub_DC284 | |
| 000DC16A move.w #$8500,$9E(a5) | |
| 000DC170 move.w #$4489,$7E(a5) | |
| 000DC176 bsr.w sub_DC278 | |
| 000DC17A move.w #$4000,$24(a5) | |
| 000DC180 move.l #$600,$20(a5) | |
| 000DC188 move.w #$9F40,$24(a5) | |
| 000DC18E move.w #$9F40,$24(a5) | |
| 000DC194 move.w #2,$9C(a5) | |
| 000DC19A bsr.w sub_DC284 | |
| 000DC19E | |
| 000DC19E loc_DC19E: ; CODE XREF: RAM:000DC1A4j | |
| 000DC19E btst #1,$1F(a5) | |
| 000DC1A4 beq.s loc_DC19E | |
| 000DC1A6 bsr.w sub_DC284 | |
| 000DC1AA move.w #$4000,$24(a5) | |
| 000DC1B0 move.w #$400,$9E(a5) | |
| 000DC1B6 lea ($600).l,a2 | |
| 000DC1BC moveq #$A,d5 | |
| 000DC1BE | |
| 000DC1BE loc_DC1BE: ; CODE XREF: RAM:000DC204j | |
| 000DC1BE move.l #$55555555,d7 | |
| 000DC1C4 | |
| 000DC1C4 loc_DC1C4: ; CODE XREF: RAM:000DC1C8j | |
| 000DC1C4 cmpi.w #$4489,(a2)+ | |
| 000DC1C8 bne.s loc_DC1C4 | |
| 000DC1CA cmpi.w #$4489,(a2) | |
| 000DC1CE bne.s loc_DC1D2 | |
| 000DC1D0 addq.l #2,a2 | |
| 000DC1D2 | |
| 000DC1D2 loc_DC1D2: ; CODE XREF: RAM:000DC1CEj | |
| 000DC1D2 move.l (a2),d3 | |
| 000DC1D4 move.w 6(a2),d4 | |
| 000DC1D8 and.w d7,d3 | |
| 000DC1DA and.w d7,d4 | |
| 000DC1DC add.w d3,d3 | |
| 000DC1DE or.w d4,d3 | |
| 000DC1E0 add.w d3,d3 | |
| 000DC1E2 movea.l a0,a3 | |
| 000DC1E4 andi.w #$FF00,d3 | |
| 000DC1E8 adda.w d3,a3 | |
| 000DC1EA lea $38(a2),a2 | |
| 000DC1EE moveq #$7F,d6 | |
| 000DC1F0 | |
| 000DC1F0 loc_DC1F0: ; CODE XREF: RAM:000DC200j | |
| 000DC1F0 move.l $200(a2),d3 | |
| 000DC1F4 move.l (a2)+,d4 | |
| 000DC1F6 and.l d7,d4 | |
| 000DC1F8 and.l d7,d3 | |
| 000DC1FA add.l d4,d4 | |
| 000DC1FC or.l d3,d4 | |
| 000DC1FE move.l d4,(a3)+ | |
| 000DC200 dbf d6,loc_DC1F0 | |
| 000DC204 dbf d5,loc_DC1BE | |
| 000DC208 lea $1600(a0),a0 | |
| 000DC20C nop | |
| 000DC20E nop | |
| 000DC210 nop | |
| 000DC212 nop | |
| 000DC214 bchg #2,(byte_BFD100).l | |
| 000DC21C bne.s loc_DC232 | |
| 000DC21E andi.b #$FC,(byte_BFD100).l | |
| 000DC226 bsr.s sub_DC284 | |
| 000DC228 bset #0,(byte_BFD100).l | |
| 000DC230 bsr.s sub_DC28A | |
| 000DC232 | |
| 000DC232 loc_DC232: ; CODE XREF: RAM:000DC21Cj | |
| 000DC232 dbf d1,loc_DC166 | |
| 000DC236 bset #3,(byte_BFD100).l | |
| 000DC23E bsr.s sub_DC284 | |
| 000DC240 bset #7,(byte_BFD100).l | |
| 000DC248 bsr.s sub_DC284 | |
| 000DC24A bclr #3,(byte_BFD100).l | |
| 000DC252 bsr.s sub_DC284 | |
| 000DC254 bset #3,(byte_BFD100).l | |
| 000DC25C bclr #1,(byte_BFE001).l | |
| 000DC264 rts | |
| 000DC266 | |
| 000DC266 sub_DC266: ; CODE XREF: RAM:000DC0C0p | |
| 000DC266 move.b #$7D,(byte_BFD100).l | |
| 000DC26E move.b #$77,(byte_BFD100).l | |
| 000DC276 rts | |
| 000DC278 | |
| 000DC278 sub_DC278: ; CODE XREF: RAM:000DC0F6p | |
| 000DC278 ; RAM:000DC176p ... | |
| 000DC278 btst #5,(byte_BFE001).l | |
| 000DC280 bne.s sub_DC278 | |
| 000DC282 rts | |
| 000DC284 | |
| 000DC284 sub_DC284: ; CODE XREF: RAM:000DC0DAp | |
| 000DC284 ; RAM:000DC0E6p ... | |
| 000DC284 nop | |
| 000DC286 nop | |
| 000DC288 rts | |
| 000DC28A | |
| 000DC28A sub_DC28A: ; CODE XREF: RAM:000DC120p | |
| 000DC28A ; RAM:000DC15Ep ... | |
| 000DC28A move.w #$1600,d7 | |
| 000DC28E | |
| 000DC28E loc_DC28E: ; CODE XREF: RAM:loc_DC28Ej | |
| 000DC28E dbf d7,loc_DC28E | |
| 000DC292 rts | |
| 000DC292 ; --------------------------------------------------------------------------- | |
| 000DC294 off_DC294: dc.l $109FFFE | |
| 000DC298 dc.b 1 | |
| 000DC299 dc.b $80 ; Ç | |
| 000DC29A dc.b $F | |
| 000DC29B dc.b $FF | |
| 000DC29C dc.b 1 | |
| 000DC29D dc.b 0 | |
| 000DC29E dc.b 2 | |
| 000DC29F dc.b 0 | |
| 000DC2A0 dc.b $FF | |
| 000DC2A1 dc.b $FF | |
| 000DC2A2 dc.b $FF | |
| 000DC2A3 dc.b $FE ; ¦ | |
| 000DC2A4 dc.b 1 | |
| 000DC2A5 dc.b 9 | |
| 000DC2A6 dc.b $FF | |
| 000DC2A7 dc.b $FE ; ¦ | |
| 000DC2A8 dc.b 1 | |
| 000DC2A9 dc.b 0 | |
| 000DC2AA dc.b 2 | |
| 000DC2AB dc.b 0 | |
| 000DC2AC dc.b 1 | |
| 000DC2AD dc.b $80 ; Ç | |
| 000DC2AE dc.b 0 | |
| 000DC2AF dc.b 0 | |
| 000DC2B0 dc.b $FF | |
| 000DC2B1 dc.b $FF | |
| 000DC2B2 dc.b $FF | |
| 000DC2B3 dc.b $FE ; ¦ | |
| 000DC2B4 | |
| 000DC2B4 sub_DC2B4: ; CODE XREF: RAM:000DC00Cp | |
| 000DC2B4 move.l #$52414D43,(dword_C001FC).l | |
| 000DC2BE cmpi.l #$52414D43,(dword_C001FC).l | |
| 000DC2C8 bne.s loc_DC2D4 | |
| 000DC2CA move.l #$C00000,($7C).w | |
| 000DC2D2 rts | |
| 000DC2D4 ; --------------------------------------------------------------------------- | |
| 000DC2D4 | |
| 000DC2D4 loc_DC2D4: ; CODE XREF: RAM:000DC2C8j | |
| 000DC2D4 move.l #$52414D46,(dword_200000).l | |
| 000DC2DE cmpi.l #$52414D46,(dword_200000).l | |
| 000DC2E8 bne.s loc_DC2F4 | |
| 000DC2EA move.l #$200000,($7C).w | |
| 000DC2F2 rts | |
| 000DC2F4 ; --------------------------------------------------------------------------- | |
| 000DC2F4 | |
| 000DC2F4 loc_DC2F4: ; CODE XREF: RAM:000DC2E8j | |
| 000DC2F4 clr.l (0).w | |
| 000DC2F8 move.l #$43484950,($80000).l | |
| 000DC302 move.l (0).w,d0 | |
| 000DC306 cmp.l ($80000).l,d0 | |
| 000DC30C beq.s loc_DC318 | |
| 000DC30E move.l #$80000,($7C).w | |
| 000DC316 rts | |
| 000DC318 ; --------------------------------------------------------------------------- | |
| 000DC318 | |
| 000DC318 loc_DC318: ; CODE XREF: RAM:000DC30Cj | |
| 000DC318 ; RAM:000DC322j | |
| 000DC318 move.w (word_DFF006).l,(word_DFF180).l | |
| 000DC322 bra.w loc_DC318 | |
| 000DC322 ; --------------------------------------------------------------------------- | |
| 000DC326 dc.b 0 | |
| 000DC327 dc.b 0 | |
| 000DC328 dc.b 0 | |
| 000DC329 dc.b 0 | |
| 000DC32A dc.b 0 | |
| 000DC32B dc.b 0 | |
| 000DC32C dc.b 0 | |
| 000DC32D dc.b 0 | |
| 000DC32E dc.b 0 | |
| 000DC32F dc.b 0 | |
| 000DC330 dc.b 0 | |
| 000DC331 dc.b 0 | |
| 000DC332 dc.b 0 | |
| 000DC333 dc.b 0 | |
| 000DC334 dc.b 0 | |
| 000DC335 dc.b 0 | |
| 000DC336 dc.b 0 | |
| 000DC337 dc.b 0 | |
| 000DC338 dc.b 0 | |
| 000DC339 dc.b 0 | |
| 000DC33A dc.b 0 | |
| 000DC33B dc.b 0 | |
| 000DC33C dc.b 0 | |
| 000DC33D dc.b 0 | |
| 000DC33E dc.b 0 | |
| 000DC33F dc.b 0 | |
| 000DC340 dc.b $20 | |
| 000DC341 dc.b $20 | |
| 000DC342 dc.b $20 | |
| 000DC343 dc.b $20 | |
| 000DC344 dc.b $20 | |
| 000DC345 dc.b $20 | |
| 000DC346 dc.b $20 | |
| 000DC347 dc.b $20 | |
| 000DC348 dc.b $20 | |
| 000DC349 dc.b $41 ; A | |
| 000DC34A dc.b $4E ; N | |
| 000DC34B dc.b $4F ; O | |
| 000DC34C dc.b $54 ; T | |
| 000DC34D dc.b $48 ; H | |
| 000DC34E dc.b $45 ; E | |
| 000DC34F dc.b $52 ; R | |
| 000DC350 dc.b $20 | |
| 000DC351 dc.b $4C ; L | |
| 000DC352 dc.b $41 ; A | |
| 000DC353 dc.b $4D ; M | |
| 000DC354 dc.b $45 ; E | |
| 000DC355 dc.b $20 | |
| 000DC356 dc.b $44 ; D | |
| 000DC357 dc.b $45 ; E | |
| 000DC358 dc.b $4D ; M | |
| 000DC359 dc.b $4F ; O | |
| 000DC35A dc.b $20 | |
| 000DC35B dc.b $46 ; F | |
| 000DC35C dc.b $55 ; U | |
| 000DC35D dc.b $43 ; C | |
| 000DC35E dc.b $4B ; K | |
| 000DC35F dc.b $45 ; E | |
| 000DC360 dc.b $44 ; D | |
| 000DC361 dc.b $20 | |
| 000DC362 dc.b $55 ; U | |
| 000DC363 dc.b $50 ; P | |
| 000DC364 dc.b $20 | |
| 000DC365 dc.b $42 ; B | |
| 000DC366 dc.b $59 ; Y | |
| 000DC367 dc.b $20 | |
| 000DC368 dc.b $53 ; S | |
| 000DC369 dc.b $50 ; P | |
| 000DC36A dc.b $41 ; A | |
| 000DC36B dc.b $43 ; C | |
| 000DC36C dc.b $45 ; E | |
| 000DC36D dc.b $42 ; B | |
| 000DC36E dc.b $41 ; A | |
| 000DC36F dc.b $4C ; L | |
| 000DC370 dc.b $4C ; L | |
| 000DC371 dc.b $53 ; S | |
| 000DC372 dc.b $21 ; ! | |
| 000DC373 dc.b $21 ; ! | |
| 000DC374 dc.b $21 ; ! | |
| 000DC375 dc.b $21 ; ! |
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