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Routines |
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Used by the routine at GameEntryPoint.
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| Decryption | 65177 | POP BC | Restore BC from the stack. | |
| 65178 | LD HL,(23728) | HL=*NMIADD. | ||
| 65181 | LD DE,(23670) | DE=*SEED. | ||
| 65185 | ADD HL,DE | HL+=DE. | ||
| 65186 | LD DE,28000 | DE=28000. | ||
| 65189 | EX DE,HL | Exchange the DE and HL registers. | ||
| 65190 | LD BC,36850 | BC=36850. | ||
| Decryption_Loop | 65193 | LD A,(HL) | A=*HL. | |
| 65194 | XOR D | D=0. | ||
| 65195 | ADD A,E | A+=E. | ||
| 65196 | CPL | Invert the bits in A. | ||
| 65197 | LD D,A | D=A. | ||
| 65198 | LD (HL),A | Write A to *HL. | ||
| 65199 | OUT (254),A | Send A to the speaker. | ||
| 65201 | INC E | Increment E by one. | ||
| 65202 | INC HL | Increment HL by one. | ||
| 65203 | DEC BC | Decrease BC by one. | ||
| 65204 | LD A,B | Jump to Decryption_Loop until BC is zero. | ||
| 65205 | OR C | |||
| 65206 | JR NZ,Decryption_Loop | |||
| 65208 | OUT (254),A | Send A to the speaker. | ||
| 65210 | POP BC | Restore BC from the stack. | ||
| 65211 | LD A,C | A=C. | ||
| 65212 | ADD A,50 | A+=50. | ||
| 65214 | LD (65227),A | Write A to *65227. | ||
| 65217 | EX (SP),IY | Exchange the *SP and IY registers. | ||
| 65219 | LD IY,23610 | IY=ERR_NR. | ||
| 65223 | LD SP,27998 | SP=27998. | ||
| 65226 | EI | Enable interrupts. | ||
| 65227 | JP MoveCode | Jump to MoveCode. | ||
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