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50270: Check Display Parameter
Used by the routine at ProcessDisplayAction.
CheckDisplayParameter 50270 LD A,(40976)
50273 JR CheckDisplayParameter_1
This entry point is used by the routine at ProcessDisplayAction.
CheckDisplayParameter_0 50275 LD A,(40975)
CheckDisplayParameter_1 50278 CP 5
50280 LD A,B
50281 JR C,CheckDisplayParameter_2
50283 CP 110
50285 RET
CheckDisplayParameter_2 50286 CP 106
50288 RET
50289 JR NC,CheckDisplayParameter_3
50291 NOP
50292 NOP
50293 ADC A,B
50294 LD (BC),A
50295 NOP
50296 NOP
50297 RST 40
50298 DEC B
50299 CP E
CheckDisplayParameter_3 50300 LD BC,549
50303 NOP
50304 NOP
50305 RLA
50306 DEC B
50307 NOP
50308 NOP
50309 LD E,A
50310 INC BC
50311 NOP
50312 NOP
50313 RST 56
50314 DEC B
50315 DEC BC
50316 LD B,0
50318 NOP
50319 NOP
50320 NOP
50321 NOP
50322 NOP
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