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Routines |
| Prev: 30880 | Up: Map | Next: 31370 |
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Used by the routine at 27176.
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| 31153 | CALL 38108 | Set parameters for and play downward scale sound | ||
| 31156 | LD BC,2048 | Set B = 8 (eight action flags) and C = 0 (count of set flags) | ||
| 31159 | LD A,(65532) | Load Magic Knight's action flags, part 1 into A | ||
| 31162 | RLCA | Pop a flag into carry flag | ||
| 31163 | JR NC,31166 | If Magic Knight action flag is not set then skip ahead to 31166 to repeat loop for next flag... | ||
| 31165 | INC C | ...else increase count of set flags | ||
| 31166 | DJNZ 31162 | Loop back for next flag until all eight are done | ||
| 31168 | LD B,8 | Set B = 8 (another eight action flags) | ||
| 31170 | LD A,(65533) | Load Magic Knight's action flags, part 2 into A | ||
| 31173 | RLCA | Pop a flag into carry flag | ||
| 31174 | JR NC,31177 | If Magic Knight action flag is not set then skip ahead to 31177 to repeat loop for next flag... | ||
| 31176 | INC C | ...else increase count of set flags | ||
| 31177 | DJNZ 31173 | Loop back for next flag until all eight are done | ||
| 31179 | LD A,9 | Load A with 9 (as minimal command window has bottom y-coordinate of 9) | ||
| 31181 | ADD A,C | Increase A by number of extra commands available | ||
| 31182 | LD C,A | Load value back into C | ||
| 31183 | LD A,(41876) | Load A with y-coordinate (characters) of top of menu window | ||
| 31186 | ADD A,C | Update y-coordinate of bottom of window according to number of extra commands... | ||
| 31187 | LD (41877),A | ... | ||
| 31190 | XOR A | Display main in-game menu window (window number zero)... | ||
| 31191 | CALL 36979 | ... | ||
| 31194 | LD HL,44103 | Print "COMMANDS AVAILABLE:-" followed by first five commands (pick up, drop, etc.) that are always available... | ||
| 31197 | CALL 36725 | ... | ||
| 31200 | LD HL,16608 | Set memory location to start printing character to start of last character row of permanent (yellow) menu options... | ||
| 31203 | LD (36488),HL | ...(i.e. "E EXAMINE") in preparation for printing conditional (white) ones, which are [CR]-prefixed so will print to next line down | ||
| 31206 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31209 | BIT 0,A | If command-a-character-enabled flag is not set then... | ||
| 31211 | JR Z,31219 | ...skip ahead to next flag's check | ||
| 31213 | LD HL,44173 | Else print "C COMMAND A CHARACTER" text... | ||
| 31216 | CALL 36725 | ... | ||
| 31219 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31222 | BIT 1,A | If locate-a-character-enabled flag is not set then... | ||
| 31224 | JR Z,31232 | ...skip ahead to next flag's check | ||
| 31226 | LD HL,44181 | Print "L LOCATE A CHARACTER" text... | ||
| 31229 | CALL 36725 | ... | ||
| 31232 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31235 | BIT 2,A | If teleport-enabled flag is not set then... | ||
| 31237 | JR Z,31245 | ...skip ahead to next flag's check | ||
| 31239 | LD HL,44189 | Print "X TELEPORT" text... | ||
| 31242 | CALL 36725 | ... | ||
| 31245 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31248 | BIT 3,A | If read-enabled flag is not set then... | ||
| 31250 | JR Z,31258 | ...skip ahead to next flag's check | ||
| 31252 | LD HL,44194 | Print "R READ SOMETHING" text... | ||
| 31255 | CALL 36725 | ... | ||
| 31258 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31261 | BIT 4,A | If throw-enabled flag is not set then... | ||
| 31263 | JR Z,31271 | ...skip ahead to next flag's check | ||
| 31265 | LD HL,44200 | Print "Y THROW SOMETHING" text... | ||
| 31268 | CALL 36725 | ... | ||
| 31271 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31274 | BIT 5,A | If cast-a-spell-enabled flag is not set then... | ||
| 31276 | JR Z,31284 | ...skip ahead to next flag's check | ||
| 31278 | LD HL,44206 | Print "S CAST A SPELL" text... | ||
| 31281 | CALL 36725 | ... | ||
| 31284 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31287 | BIT 6,A | If blow-enabled flag is not set then... | ||
| 31289 | JR Z,31297 | ...skip ahead to next flag's check | ||
| 31291 | LD HL,44214 | Print "B BLOW SOMETHING" text... | ||
| 31294 | CALL 36725 | ... | ||
| 31297 | LD A,(65532) | Load A with Magic Knight's action flags, part 1 | ||
| 31300 | BIT 7,A | If call-lift-enabled flag is not set then... | ||
| 31302 | JR Z,31310 | ...skip ahead to next flag's check | ||
| 31304 | LD HL,44224 | Print "W CALL LIFT" text... | ||
| 31307 | CALL 36725 | ... | ||
| 31310 | LD A,(65533) | Load A with Magic Knight's action flags, part 2 | ||
| 31313 | BIT 0,A | If move-lift-enabled flag is not set then... | ||
| 31315 | JR Z,31323 | ...skip ahead to next menu object | ||
| 31317 | LD HL,44234 | Print "V MOVE LIFT" text... | ||
| 31320 | CALL 36725 | ... | ||
| 31323 | LD HL,44159 | Print "Z EXIT MENU" text... | ||
| 31326 | CALL 36725 | ... | ||
| 31329 | CALL 37333 | Process input for menu, and load ASCII code of shortcut for selected (i.e. SPACE or fire pressed) item into A | ||
| 31332 | CP 90 | If "Z" was pressed... | ||
| 31334 | JP Z,30428 | ...reset Gimbal-white-out-safe flag, redraw current room and return to main game loop | ||
| 31337 | LD HL,41811 | Point HL at start of string of keyboard shortcuts for commands | ||
| 31340 | LD B,A | Load ASCII code of key pressed into B | ||
| 31341 | LD C,0 | Set C (selected command number) to zero | ||
| 31343 | LD A,(HL) | Load keyboard shortcut pointed to by HL into A | ||
| 31344 | CP B | If key pressed matches currently-pointed-at shortcut... | ||
| 31345 | JP Z,31352 | ...then jump ahead to 31352 | ||
| 31348 | INC C | Increase C (advance to next command to check if that was selected instead) | ||
| 31349 | INC HL | Advance to next entry in list of command shortcuts | ||
| 31350 | JR 31343 | Loop back to 31343 to test next command | ||
| 31352 | LD A,C | Load double index of selected command into BC... | ||
| 31353 | ADD A,A | ... | ||
| 31354 | LD B,0 | ... | ||
| 31356 | LD C,A | ... | ||
| 31357 | LD HL,41827 | Point HL at table of routine start addresses for Magic Knight's main menu commands | ||
| 31360 | ADD HL,BC | Add double index of selected command as offset | ||
| 31361 | LD A,(HL) | Load address of appropriate command processing routine into HL... | ||
| 31362 | INC HL | ... | ||
| 31363 | LD H,(HL) | ... | ||
| 31364 | LD L,A | ... | ||
| 31365 | XOR A | Clear last pressed key (LAST K system variable)... | ||
| 31366 | LD (23560),A | ... | ||
| 31369 | JP (HL) | Jump to routine to process selected command | ||
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