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Routines |
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Used by the routine at BF1A.
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| BF60 | LD HL,($5C3D) | Replace ERRSP stack pointer with the address C763 (start of pause game routine) | ||
| BF63 | LD SP,HL | |||
| BF64 | POP HL | |||
| BF65 | LD HL,$C763 | |||
| BF68 | PUSH HL | |||
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Identify the control method (1-4) that was selected on the first game menu (8BC2).
Sets the HL register pair to point to the address containing the input values to check for that control method.
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| BF69 | LD A,($BF18) | Game control choice (1-4) | ||
| BF6C | CP $01 | |||
| BF6E | JR NZ,$BF75 | |||
| BF70 | LD HL,$EB08 | Kempston joystick selected | ||
| BF73 | JR $BF8A | |||
| BF75 | CP $02 | AGF/cursor joystick selected | ||
| BF77 | JR NZ,$BF7E | |||
| BF79 | LD HL,$EB1E | |||
| BF7C | JR $BF8A | |||
| BF7E | CP $03 | |||
| BF80 | JR NZ,$BF87 | |||
| BF82 | LD HL,$EB33 | Sinclair joystick selected | ||
| BF85 | JR $BF8A | |||
| BF87 | LD HL,$EB0E | Keyboard selected | ||
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Store the address holding the set of control input values.
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| BF8A | LD ($EB06),HL | |||
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...and check if we need to set up a new game or not:
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| BF8D | LD A,($BF19) | Is it a new game, or has a saved game been loaded? | ||
| BF90 | CP $00 | |||
| BF92 | JR Z,$BF9D | New game - jump to game setup | ||
| BF94 | LD A,($EAB7) | Game loaded. Copy room number into buffer. | ||
| BF97 | LD ($EAB0),A | |||
| BF9A | JP $D94C | No need for intro/game setup for loaded data - jump straight into game | ||
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