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Routines |
| Prev: C874 | Up: Map | Next: C89A |
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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 | C887 | POP HL | Restore the limits of the room from the stack. | |||||||
| C888 | LD A,H | Fetch the limit along y. | ||||||||
| C889 | ADD A,$80 | Add 80 to it, to get the position of the wall. | ||||||||
| C88B | LD H,A | Keep the position of the wall. | ||||||||
| C88C | LD A,(IY+$02) | Fetch the y position of the player. | ||||||||
| C88F | SUB (IY+$05) | Take away the half size along y. | ||||||||
| C892 | CP H | Return if the player is not through the wall. | ||||||||
| C893 | RET C | |||||||||
| C894 | LD (IY+$02),$FF | Put the player at the highest y position, ready for the next room. | ||||||||
| C898 | JR TestPassageAlongMinusX_Done | Jump to TestPassageAlongMinusX_Done. | ||||||||
| Prev: C874 | Up: Map | Next: C89A |