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Updating comments and splitting out subroutines into separate files
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| l_4290 | ||
| LDX #$0F ; (4290) Set X to #$0F (15 / 00001111) | ||
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| l_4292 | ||
| LDA $6900,X ; (4292) Load A with $6900,X | ||
| SEC ; (4295) Set Carry Flag | ||
| SBC var_BondCarXPosLow ; (4296) Subtract with Carry $0338 | ||
| STA $AD ; (4299) Store A to $AD | ||
| LDA $6940,X ; (429B) Load A with $6940,X | ||
| SBC var_BondCarXPosHigh ; (429E) Subtract with Carry $0339 | ||
| STA $AF ; (42A1) Store A to $AF | ||
| BEQ l_42AF ; (42A3) Branch to $42AF if Equal. This determines the other sprite below distance of #100. | ||
| CMP #$01 ; (42A5) Subtract #$01 from A (1 / 00000001) | ||
| BNE l_431E ; (42A7) Branch to $431E if Not Equal. This determines if the distance is above #1ff. | ||
| LDA $AD ; (42A9) Load A with $AD | ||
| CMP #$40 ; (42AB) Subtract #$40 from A (64 / 01000000) | ||
| BCS l_431E ; (42AD) Branch if Carry Set $431E | ||
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| l_42AF | ||
| LDA $6980,X ; (42AF) Load A with $6980,X | ||
| SEC ; (42B2) Set Carry Flag | ||
| SBC $033A ; (42B3) Subtract with Carry $033A | ||
| STA $FD ; (42B6) Store A to $FD | ||
| LDA $69C0,X ; (42B8) Load A with $69C0,X | ||
| SBC $033B ; (42BB) Subtract with Carry $033B | ||
| BNE l_431E ; (42BE) Branch to $431E if Not Equal | ||
| LDA $FD ; (42C0) Load A with $FD | ||
| CMP #$70 ; (42C2) Subtract #$70 from A (112 / 01110000) | ||
| BCS l_431E ; (42C4) Branch if Carry Set $431E | ||
| LDA $6910,X ; (42C6) Load A with $6910,X | ||
| TAY ; (42C9) Transfer A to Y | ||
| BMI l_42E7 ; (42CA) Branch to $42E7 if minus | ||
| AND #$40 ; (42CC) Logical AND with Accumulator and #$40 (64 / 01000000) | ||
| BNE l_4317 ; (42CE) Branch to $4317 if Not Equal | ||
| TYA ; (42D0) Transfer Y to A | ||
| AND #$07 ; (42D1) Logical AND with Accumulator and #$07 (7 / 00000111) | ||
| TAY ; (42D3) Transfer A to Y | ||
| LDA $03C8,Y ; (42D4) Load A with $03C8,Y | ||
| AND SpriteEnableRegister ; (42D7) Logical AND with Accumulator $D015 | ||
| BEQ l_42E7 ; (42DA) Branch to $42E7 if Equal | ||
| LDA $6910,X ; (42DC) Load A with $6910,X | ||
| ORA #$40 ; (42DF) Logical OR with Accumulator and #$40 (64 / 01000000) | ||
| STA $6910,X ; (42E1) Store A to $6910,X | ||
| JMP l_4317 ; (42E4) Jump to $4317 | ||
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| l_42E7 | ||
| LDA $6910,X ; (42E7) Load A with $6910,X | ||
| ORA #$80 ; (42EA) Logical OR with Accumulator and #$80 (128 / 10000000) | ||
| STA $6910,X ; (42EC) Store A to $6910,X | ||
| AND #$07 ; (42EF) Logical AND with Accumulator and #$07 (7 / 00000111) | ||
| STA $02 ; (42F1) Store A to $02 | ||
| INC $02 ; (42F3) Increment Memory $02 | ||
| LDA SpritePointerArray,X ; (42F5) Load A with $6920,X | ||
| STA $AE ; (42F8) Store A to $AE | ||
| TXA ; (42FA) Transfer X to A | ||
| PHA ; (42FB) Push Accumulator to Stack | ||
| LDA $FD ; (42FC) Load A with $FD | ||
| CLC ; (42FE) Clear Carry Flag | ||
| ADC #$90 ; (42FF) Add with Carry with #$90 (144 / 10010000) | ||
| TAY ; (4301) Transfer A to Y | ||
| CLC ; (4302) Clear Carry Flag | ||
| LDA $AD ; (4303) Load A with $AD | ||
| ADC #$07 ; (4305) Add with Carry with #$07 (7 / 00000111) | ||
| TAX ; (4307) Transfer A to X | ||
| LDA $AF ; (4308) Load A with $AF | ||
| ADC #$00 ; (430A) Add with Carry with #$00 (0 / 00000000) | ||
| CLC ; (430C) Clear Carry Flag | ||
| BEQ l_4310 ; (430D) Branch to $4310 if Equal | ||
| SEC ; (430F) Set Carry Flag | ||
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| l_4310 | ||
| LDA $02 ; (4310) Load A with $02 | ||
| JSR l_4200 ; (4312) Jump to Subroutine at $4200 | ||
| PLA ; (4315) Pull Accumulator from Stack | ||
| TAX ; (4316) Transfer A to X | ||
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| l_4317 | ||
| DEX ; (4317) Decrement X | ||
| BMI l_431D ; (4318) Branch to $431D if minus | ||
| JMP l_4292 ; (431A) Jump to $4292 | ||
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| l_431D | ||
| RTS ; (431D) Return from Subroutine | ||
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| l_431E | ||
| LDA $6910,X ; (431E) Load A with $6910,X | ||
| TAY ; (4321) Transfer A to Y | ||
| BMI l_4357 ; (4322) Branch to $4357 if minus | ||
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| l_4324 | ||
| AND #$10 ; (4324) Logical AND with Accumulator and #$10 (16 / 00010000) | ||
| BNE l_4330 ; (4326) Branch to $4330 if Not Equal | ||
| JMP l_4375 ; (4328) Jump to $4375 | ||
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| * = $432B | ||
| .byte $EA,$EA,$EA,$EA,$EA | ||
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| * = $4330 | ||
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| l_4330 | ||
| LDA $6800,X ; (4330) Load A with $6800,X | ||
| STA $6900,X ; (4333) Store A to $6900,X | ||
| LDA $6840,X ; (4336) Load A with $6840,X | ||
| STA $6940,X ; (4339) Store A to $6940,X | ||
| LDA $6880,X ; (433C) Load A with $6880,X | ||
| STA $6980,X ; (433F) Store A to $6980,X | ||
| LDA $68C0,X ; (4342) Load A with $68C0,X | ||
| STA $69C0,X ; (4345) Store A to $69C0,X | ||
| LDA $6820,X ; (4348) Load A with $6820,X | ||
| STA SpritePointerArray,X ; (434B) Store A to $6920,X | ||
| LDA $6830,X ; (434E) Load A with $6830,X | ||
| STA MaydayDirection,X ; (4351) Store A to $6930,X | ||
| JMP l_4375 ; (4354) Jump to $4375 | ||
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| l_4357 | ||
| LDA $6910,X ; (4357) Load A with $6910,X | ||
| AND #$07 ; (435A) Logical AND with Accumulator and #$07 (7 / 00000111) | ||
| TAY ; (435C) Transfer A to Y | ||
| LDA $03C0,Y ; (435D) Load A with $03C0,Y | ||
| AND SpriteEnableRegister ; (4360) Logical AND with Accumulator $D015 | ||
| STA SpriteEnableRegister ; (4363) Store A to $D015 | ||
| LDA $03C0,Y ; (4366) Load A with $03C0,Y | ||
| AND SpriteMulticolor ; (4369) Logical AND with Accumulator $D01C | ||
| STA SpriteMulticolor ; (436C) Store A to $D01C | ||
| LDA $6910,Y ; (436F) Load A with $6910,Y | ||
| JMP l_4324 ; (4372) Jump to $4324 | ||
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| l_4375 | ||
| LDA $6910,X ; (4375) Load A with $6910,X | ||
| AND #$07 ; (4378) Logical AND with Accumulator and #$07 (7 / 00000111) | ||
| STA $6910,X ; (437A) Store A to $6910,X | ||
| JMP l_4317 ; (437D) Jump to $4317 |
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