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Routines |
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Finds out if the player is far enough through the wall on the side of high y, in the same way as TestPassageAlongMinusX.
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Return unless the player is through the wall.
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| TestPassageAlongPlusY | 51335 | POP HL | Restore the limits of the room from the stack. | |||||||
| 51336 | LD A,H | Fetch the limit along y. | ||||||||
| 51337 | ADD A,128 | Add 128 to it, to get the position of the wall. | ||||||||
| 51339 | LD H,A | Keep the position of the wall. | ||||||||
| 51340 | LD A,(IY+2) | Fetch the y position of the player. | ||||||||
| 51343 | SUB (IY+5) | Take away the half size along y. | ||||||||
| 51346 | CP H | Return if the player is not through the wall. | ||||||||
| 51347 | RET C | |||||||||
| 51348 | LD (IY+2),255 | Put the player at the highest y position, ready for the next room. | ||||||||
| 51352 | JR TestPassageAlongMinusX_Done | Jump to TestPassageAlongMinusX_Done. | ||||||||
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