Routines
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59330: Print name of ongoing effect spell in small scroll in bottom right of screen
Run after spell is cast (59298) if the spell triggered is an 'ongoing effect' type spell.
  • Ongoing 'effect' spells stay active until the player deactivates it either by re-casting it, or casting a different effect spell (e.g. switching from UNSEEN to SHIELD)
  • While an 'effect' spell is active, the player can cast other spells (e.g. MOVE, SERVANT, MISSLE) without deactivating the current 'effect' spell. See Bugs - Switching between 'effect' spells doesn't reduce a spell's charges
  • 'Effect' spells are: SHIELD, UNSEEN, PROTECT, AMULET, DEFENCE, WRAITHBANE (displayed as W BANE), CHALICE
shield spell active
Print the spell name in the bottom right:
59330 LD HL,60365 Store the address pointer for spell name text
59333 LD (60065),HL
59336 LD HL,20729 Screen display address pointer for the start of the text (left of small scroll area)
59339 LD (60068),HL Store screen display address pointer
59342 LD A,7 7 characters to print (no effect spells need 8 letters)
59344 LD (60067),A Store text character counter
59347 CALL 58080 Print the spell name
Check if the 'effect' spell cast is the same as the active one (deactivate) or a different one (replace):
59350 LD A,(60134) Get spell (number) cast
59353 LD C,A
59354 LD A,(60137) Compare with current 'active effect' spell
59357 CP C
59358 JR Z,59373 It's the same one, so prepare to deactivate the spell:
The spell cast is different from the currently active spell (or there isn't a currently active spell):
59360 LD A,C Spell number of cast spell
59361 LD (60137),A Set the spell being cast as the active 'effect' spell
59364 LD A,(60358) Amount of energy that this spell drains (e.g. SHIELD) or heals (e.g. CHALICE)
59367 LD (60373),A This byte is used to intermittently drain or heal Maroc's energy as time passes (54859)
59370 JP 60018
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