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Routines |
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Used by the routine at 25118. Returns with the zero flag set if the sniper (who is not visible at this point) has an x-coordinate that would place him on screen and at least 8 x-coordinates away from Sam.
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| 26328 | LD L,1 | Point HL at byte 1 of the sniper's buffer | ||||||
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This entry point is used by the routine at 25307 with HL pointing at byte 1 of the sniper's buffer.
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| 26330 | LD A,(58881) | A=Sam's x-coordinate | ||||||
| 26333 | SUB (HL) | Subtract the sniper's x-coordinate | ||||||
| 26334 | JR NC,26338 | Jump if the result is non-negative | ||||||
| 26336 | NEG | Negate the (negative) result | ||||||
| 26338 | CP 8 | Is Sam less than 8 x-coordinates away from the sniper? | ||||||
| 26340 | RET C | Return with the zero flag reset if so | ||||||
| 26341 | LD A,(32766) | A=x-coordinate of the leftmost column of the play area on screen | ||||||
| 26344 | SUB 2 | Is the sniper off-screen to the left or right? | ||||||
| 26346 | SUB (HL) | |||||||
| 26347 | ADD A,32 | |||||||
| 26349 | RET NC | Return with the zero flag reset if so | ||||||
| 26350 | XOR A | Set the zero flag | ||||||
| 26351 | RET | |||||||
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