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Routines |
| Prev: 25981 | Up: Map | Next: 26075 |
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| 25983 | CALL 25956 | Is ERIC sitting or lying down? | ||||||||
| 25986 | RET NZ | Return if so | ||||||||
| 25987 | BIT 6,A | Bit 6 of ERIC's status flags at 32763 is always reset, so this jump (which should be to 26067) is never made | ||||||||
| 25989 | JR NZ,26068 | |||||||||
| 25991 | LD A,D | A=ERIC's y-coordinate | ||||||||
| 25992 | CP 169 | Is ERIC on the bottom floor? | ||||||||
| 25994 | JR Z,26067 | Jump forward to move him left or right if so | ||||||||
| 25996 | CP 162 | Is ERIC on the middle floor? | ||||||||
| 25998 | JR Z,26047 | Jump if so | ||||||||
| 26000 | CP 155 | Is ERIC on the top floor? | ||||||||
| 26002 | JR Z,26047 | Jump if so | ||||||||
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ERIC's not on the top, middle or bottom floor, so he must be on a staircase. Should he go down a step, or turn round first?
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| 26004 | LD A,E | A=ERIC's x-coordinate | ||||||||
| 26005 | CP 48 | Set the carry flag if ERIC's on a staircase at the left of the skool | ||||||||
| 26007 | BIT 7,B | Set the zero flag if ERIC is facing left | ||||||||
| 26009 | JR C,26016 | Jump if ERIC's on a staircase at the left of the skool | ||||||||
| 26011 | JP NZ,25962 | Turn ERIC round if he's facing up a staircase at the right of the skool | ||||||||
| 26014 | JR 26019 | |||||||||
| 26016 | JP Z,25962 | Turn ERIC round if he's facing up a staircase at the left of the skool | ||||||||
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ERIC's at the top of or on a staircase, facing the bottom of it.
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| 26019 | LD H,D | Copy ERIC's coordinates to HL | ||||||||
| 26020 | LD L,E | |||||||||
| 26021 | NOP | |||||||||
| 26022 | INC D | Down a step | ||||||||
| 26023 | DEC E | One pace to the left | ||||||||
| 26024 | LD B,2 | 2=ERIC standing, facing left | ||||||||
| 26026 | CP 48 | Is ERIC on a staircase on the right side of the skool? | ||||||||
| 26028 | JR NC,26034 | Jump if so | ||||||||
| 26030 | LD B,130 | 130=ERIC standing, facing right | ||||||||
| 26032 | INC E | One pace to the right (taking into the account the one pace to the left made above) | ||||||||
| 26033 | INC E | |||||||||
| 26034 | LD A,B | A=2/130 | ||||||||
| 26035 | BIT 0,L | A=1/129, B=2/130 if ERIC's current x-coordinate is even; A=3/131, B=0/128 if ERIC's current x-coordinate is odd | ||||||||
| 26037 | JR Z,26043 | |||||||||
| 26039 | DEC B | |||||||||
| 26040 | DEC B | |||||||||
| 26041 | ADD A,2 | |||||||||
| 26043 | DEC A | |||||||||
| 26044 | JP 25916 | Update ERIC's animatory state and location | ||||||||
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ERIC is on the middle floor or the top floor.
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| 26047 | LD A,E | A=ERIC's x-coordinate | ||||||||
| 26048 | CP 12 | This is the x-coordinate of the tops of the staircases at the left of the skool | ||||||||
| 26050 | JR NZ,26059 | Jump unless ERIC is there | ||||||||
| 26052 | BIT 7,B | Is ERIC facing left? | ||||||||
| 26054 | JP Z,26194 | Move ERIC left if so | ||||||||
| 26057 | JR 26019 | Otherwise send ERIC down a step | ||||||||
| 26059 | CP 77 | This is the x-coordinate of the tops of the staircases at the right of the skool | ||||||||
| 26061 | JR NZ,26067 | Jump unless ERIC is there | ||||||||
| 26063 | BIT 7,B | Is ERIC facing left? | ||||||||
| 26065 | JR Z,26019 | Send ERIC down a step if so | ||||||||
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This entry point is used by the routine at 26084.
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| 26067 | BIT 7,B | Is ERIC facing left? | ||||||||
| 26069 | JP Z,26194 | Move ERIC left if so | ||||||||
| 26072 | JP 26282 | Otherwise move ERIC right | ||||||||
| Prev: 25981 | Up: Map | Next: 26075 |