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Routines |
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The address of this continual subcommand routine is placed into bytes 0x7C and 0x7D of ANGELFACE's buffer by command list 0xDC. It checks whether ERIC and ANGELFACE are in the same location; if they are, and ERIC has already been informed of ANGELFACE's medical condition, bit 5 at 7FCB is set, indicating that ERIC has mumps (whereupon MR ROCKITT will come looking for ERIC to send him home).
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| FA2A | LD A,($7FCB) | 7FCB holds the special playtime signal flags | ||||||
| FA2D | BIT 4,A | Has ERIC been told (and understood) that ANGELFACE has mumps? | ||||||
| FA2F | RET Z | Return if not | ||||||
| FA30 | CALL $7DEA | Make ANGELFACE walk fast | ||||||
| FA33 | LD A,($AC62) | A=ERIC's x-coordinate | ||||||
| FA36 | LD L,$62 | Byte 0x62 of ANGELFACE's buffer holds his x-coordinate | ||||||
| FA38 | CP (HL) | Compare ERIC's and ANGELFACE's x-coordinates | ||||||
| FA39 | RET NZ | Return if they do not match | ||||||
| FA3A | LD A,($AC61) | A=ERIC's y-coordinate | ||||||
| FA3D | DEC L | L=0x61 (which byte holds ANGELFACE's y-coordinate) | ||||||
| FA3E | CP (HL) | Compare ERIC's and ANGELFACE's y-coordinates | ||||||
| FA3F | RET NZ | Return if they do not match | ||||||
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ERIC and ANGELFACE are in the same location, thus facilitating transmission of the latter's pestilence to the former.
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| FA40 | LD A,($7FCB) | Set bit 5 at 7FCB, indicating that ERIC has mumps | ||||||
| FA43 | SET 5,A | |||||||
| FA45 | LD ($7FCB),A | |||||||
| FA48 | RET | |||||||
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