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Routines |
| Prev: 25955 | Up: Map | Next: 26011 |
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Used by the routines at ScrollPlayarea and 26192.
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| 25956 | ADD A,A | A+=A. | ||
| 25957 | ADD A,A | A+=A. | ||
| 25958 | LD C,A | C=A. | ||
| 25959 | EXX | Switch to the shadow registers. | ||
| 25960 | LD BC,1535 | BC=1535. | ||
| 25963 | LD DE,30720 | DE=30720. | ||
| 25966 | EXX | Switch back to the normal registers. | ||
| 25967 | LD A,(DE) | A=*DE. | ||
| 25968 | INC D | Increment D by one. | ||
| 25969 | RRCA | RRCA. | ||
| 25970 | RRCA | |||
| 25971 | RRCA | |||
| 25972 | LD L,A | L=A. | ||
| 25973 | AND %00011111 | Keep only bits 0-4. | ||
| 25975 | ADD A,128 | A+=128. | ||
| 25977 | LD H,A | H=A. | ||
| 25978 | LD A,L | A=L. | ||
| 25979 | AND %11100000 | Keep only bits 5-7. | ||
| 25981 | ADD A,C | A+=C. | ||
| 25982 | LD L,A | L=A. | ||
| 25983 | PUSH HL | Stash HL on the stack. | ||
| 25984 | EXX | Switch to the shadow registers. | ||
| 25985 | POP HL | Restore HL from the stack. | ||
| 25986 | LDI | LDI. | ||
| 25988 | LDI | |||
| 25990 | LDI | |||
| 25992 | LDI | |||
| 25994 | DJNZ 25966 | Decrease counter by one and loop back to 25966 until counter is zero. | ||
| 25996 | LD A,(DE) | A=*DE. | ||
| 25997 | INC A | Increment A by one. | ||
| 25998 | LD (DE),A | Write A to *DE. | ||
| 25999 | INC E | Increment E by one. | ||
| 26000 | LD A,(DE) | A=*DE. | ||
| 26001 | EXX | Switch to the shadow registers. | ||
| 26002 | ADD A,B | A+=B. | ||
| 26003 | EXX | Switch to the shadow registers. | ||
| 26004 | LD (DE),A | Write A to *DE. | ||
| 26005 | LD E,2 | E=2. | ||
| 26007 | LD B,16 | B=16. | ||
| 26009 | EXX | Switch to the shadow registers. | ||
| 26010 | RET | Return. | ||
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