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47219: Routine at B873
Used by the routine at 47132.
47219 LD L,(IX+0)
47222 LD H,(IX+1)
47225 LD A,H
47226 OR L
47227 RET Z
47228 LD A,(HL)
47229 INC HL
47230 LD H,(HL)
47231 LD L,A
47232 LD A,H
47233 RLCA
47234 RLCA
47235 RLCA
47236 AND %11111000 Keep only bits 3-7.
47238 LD H,A
47239 LD A,E
47240 SUB (IX+2)
47243 JP P,47271
47246 CPL
47247 CP C
47248 JR NC,47261
47250 LD A,D
47251 SUB L
47252 SUB (IX+3)
47255 JP P,47274
47258 CPL
47259 CP L
47260 RET C
47261 INC IX
47263 INC IX
47265 INC IX
47267 INC IX
47269 JR 47219
47271 CP H
47272 JR 47248
47274 CP B
47275 JR 47260
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