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Routines |
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Used by the routines at TestLowBitsOfCharacter and TestLowBitsOfGraphics.
Keeps bits 0-3 and tests the seventh and eighth markers.
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| TestSeventhMarker | 51110 | AND 15 | Jump back to TestLowBitsOfCharacter_ReportMatch if the low nibble is command 7. | |
| 51112 | CP 7 | |||
| 51114 | JP Z,TestLowBitsOfCharacter_ReportMatch | |||
| 51117 | CP 8 | Go to TestSeventhMarker_CommandNine when the command is not 8. | ||
| 51119 | JR NZ,TestSeventhMarker_CommandNine | |||
| 51121 | LD A,C | Take the count, then call CheckObjectLocationMatch to test object location match. | ||
| 51122 | CALL CheckObjectLocationMatch | |||
| TestSeventhMarker_0 | 51125 | JP Z,TestLowBitsOfCharacter_GiveUp | Go to TestLowBitsOfCharacter_GiveUp if the object is not in this location. | |
| 51128 | JP TestLowBitsOfCharacter_ReportMatch | Jump back to TestLowBitsOfCharacter_ReportMatch to return non-zero. | ||
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For command 9, checks the low count and gives up when that check fails.
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| TestSeventhMarker_CommandNine | 51131 | CP 9 | Jump ahead to TestSeventhMarker_CommandTen if the command is not 9. | |
| 51133 | JR NZ,TestSeventhMarker_CommandTen | |||
| 51135 | LD A,C | Go to TestLowBitsOfCharacter_GiveUp if the object is not in this location. | ||
| 51136 | CALL CheckObjectLocationMatch | |||
| 51139 | JP Z,TestLowBitsOfCharacter_GiveUp | |||
| 51142 | LD A,C | Go to TestLowBitsOfCharacter_GiveUp if the record's first byte is not 1. | ||
| 51143 | CALL GetObjectAttribute | |||
| 51146 | JP NZ,TestLowBitsOfCharacter_GiveUp | |||
| 51149 | LD A,C | Go to TestLowBitsOfCharacter_GiveUp if the object has a special description. | ||
| 51150 | CALL TestObjectHasSpecialDescription | |||
| 51153 | JP NZ,TestLowBitsOfCharacter_GiveUp | |||
| 51156 | LD B,C | Read the character being processed, then call ProcessObjectAttribute_LookObjectRun to run object attribute. | ||
| 51157 | LD A,(41014) | |||
| 51160 | CALL ProcessObjectAttribute_LookObjectRun | |||
| 51163 | JP Z,TestLowBitsOfCharacter_GiveUp | Go to TestLowBitsOfCharacter_GiveUp if the attribute comparison borrows. | ||
| 51166 | LD A,C | Jump back to ReadHighByteSource_0 to run display action. | ||
| 51167 | CALL GetObjectMotherID | |||
| 51170 | JR ReadHighByteSource_0 | |||
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For command 10, checks the low count and gives up when that check fails.
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| TestSeventhMarker_CommandTen | 51172 | CP 10 | Jump ahead to TestSeventhMarker_CommandEleven if the command is not 10. | |
| 51174 | JR NZ,TestSeventhMarker_CommandEleven | |||
| 51176 | LD A,C | Go to TestLowBitsOfCharacter_GiveUp if the object is not in this location. | ||
| 51177 | CALL CheckObjectLocationMatch | |||
| 51180 | JP Z,TestLowBitsOfCharacter_GiveUp | |||
| 51183 | LD A,C | Jump to TestLowBitsOfCharacter_GiveUp if CheckCharacterIDRange does not match this character. | ||
| 51184 | CALL CheckCharacterIDRange | |||
| 51187 | JP NC,TestLowBitsOfCharacter_GiveUp | |||
| 51190 | JP TestLowBitsOfCharacter_ReportMatch | Jump back to TestLowBitsOfCharacter_ReportMatch to return non-zero. | ||
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For command 11, checks the low count and gives up when that check fails.
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| TestSeventhMarker_CommandEleven | 51193 | CP 11 | Jump ahead to TestSeventhMarker_CommandTwelve if the command is not 11. | |
| 51195 | JR NZ,TestSeventhMarker_CommandTwelve | |||
| 51197 | LD A,C | Go to TestLowBitsOfCharacter_GiveUp if the object is not in this location. | ||
| 51198 | CALL CheckObjectLocationMatch | |||
| 51201 | JP Z,TestLowBitsOfCharacter_GiveUp | |||
| 51204 | LD A,C | Call GetObjectAttribute for the object in C and jump to TestSeventhMarker_0. | ||
| 51205 | CALL GetObjectAttribute | |||
| 51208 | JR TestSeventhMarker_0 | |||
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For command 12, follows the object that contains this one.
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| TestSeventhMarker_CommandTwelve | 51210 | CP 12 | Jump ahead to TestSeventhMarker_MatchObjectThenRoom if the command is not 12. | |
| 51212 | JR NZ,TestSeventhMarker_MatchObjectThenRoom | |||
| 51214 | LD A,C | Call TestObjectHasSpecialDescription and jump back to TestSeventhMarker_0, which gives up when the special description is clear. | ||
| 51215 | CALL TestObjectHasSpecialDescription | |||
| 51218 | JR TestSeventhMarker_0 | |||
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The object is in the room, so follow whatever contains it.
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| TestSeventhMarker_MatchObjectThenRoom | 51220 | LD A,C | Give up on this object when it is not in the room, otherwise follow the object that contains it. | |
| 51221 | CALL CheckObjectLocationMatch | |||
| 51224 | JP Z,TestLowBitsOfCharacter_GiveUp | |||
| 51227 | LD A,C | Call TestObjectHasSpecialDescription and jump back to TestSeventhMarker_0, which gives up when the special description is clear. | ||
| 51228 | CALL TestObjectHasSpecialDescription | |||
| 51231 | JR TestSeventhMarker_0 | |||
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