|
Routines |
| Prev: EDEF | Up: Map | Next: EF4A |
|
Used by the routine at D894.
|
||||
| EE61 | LD A,$80 | Write 80 to *Time. | ||
| EE63 | LD ($D83A),A | |||
| EE66 | LD A,$08 | Write 08 to *D839. | ||
| EE68 | LD ($D839),A | |||
| EE6B | CALL $EF2D | Call EF2D. | ||
| EE6E | CALL $FA9D | Call FA9D. | ||
| EE71 | LD HL,$D839 | HL=D839. | ||
| EE74 | BIT 3,(HL) | Test bit 3 of *HL. | ||
| EE76 | JR NZ,$EE6B | Jump to EE6B if is not zero. | ||
| EE78 | LD A,$12 | Write 12 to *D82C. | ||
| EE7A | LD ($D82C),A | |||
| EE7D | LD HL,$EF45 | HL=EF45. | ||
| EE80 | LD DE,$03E8 | DE=03E8. | ||
| EE83 | DEC DE | Decrease DE by one. | ||
| EE84 | LD A,$64 | A=64. | ||
| EE86 | DEC A | Decrease A by one. | ||
| EE87 | JR NZ,$EE86 | Jump to EE86 if A is not zero. | ||
| EE89 | LD A,D | Jump to EE83 if DE is not zero. | ||
| EE8A | OR E | |||
| EE8B | JR NZ,$EE83 | |||
| EE8D | LD B,$04 | B=04. | ||
| EE8F | PUSH BC | Stash BC on the stack. | ||
| EE90 | LD B,$05 | B=05. | ||
| EE92 | PUSH HL | Stash HL and BC on the stack. | ||
| EE93 | PUSH BC | |||
| EE94 | LD A,($D82C) | Write *D82C to *E75D. | ||
| EE97 | LD ($E75D),A | |||
| EE9A | LD A,(HL) | A=*HL. | ||
| EE9B | LD ($E75E),A | Write A to *E75E. | ||
| EE9E | SUB $0A | A-=0A. | ||
| EEA0 | JR Z,$EEB6 | Jump to EEB6 if A is zero. | ||
| EEA2 | JP P,$EEB0 | Jump to EEB0 P. | ||
| EEA5 | NEG | NEG. | ||
| EEA7 | LD ($E761),A | Write A to *E761. | ||
| EEAA | CALL $DB7E | Call DB7E. | ||
| EEAD | JP $EEB6 | Jump to EEB6. | ||
| EEB0 | LD ($E761),A | Write A to *E761. | ||
| EEB3 | CALL $DBE5 | Call DBE5. | ||
| EEB6 | LD A,($D82C) | A=*D82C. | ||
| EEB9 | SUB $12 | A-=12. | ||
| EEBB | NEG | NEG. | ||
| EEBD | INC A | Increment A by one. | ||
| EEBE | LD ($E761),A | Write A to *E761. | ||
| EEC1 | CALL $DC4B | Call DC4B. | ||
| EEC4 | LD B,$04 | B=04. | ||
| EEC6 | LD A,$01 | Write 01 to *E761. | ||
| EEC8 | LD ($E761),A | |||
| EECB | PUSH BC | Stash BC on the stack. | ||
| EECC | LD A,$12 | Write 12 to *E75D. | ||
| EECE | LD ($E75D),A | |||
| EED1 | CALL $DC4B | Call DC4B. | ||
| EED4 | LD D,$32 | D=32. | ||
| EED6 | LD E,$1E | E=1E. | ||
| EED8 | LD A,$05 | A=05. | ||
| EEDA | XOR %00010000 | Flip bit 4. | ||
| EEDC | OUT ($FE),A | Send to the speaker. | ||
| EEDE | LD B,D | B=D. | ||
| EEDF | DJNZ $EEDF | Decrease counter by one and loop back to EEDF until counter is zero. | ||
| EEE1 | DEC E | Decrease E by one. | ||
| EEE2 | JR NZ,$EEDA | Jump to EEDA if E is not zero. | ||
| EEE4 | POP BC | Restore BC from the stack. | ||
| EEE5 | DJNZ $EECB | Decrease counter by one and loop back to EECB until counter is zero. | ||
| EEE7 | POP BC | Restore BC and HL from the stack. | ||
| EEE8 | POP HL | |||
| EEE9 | INC HL | Increment HL by one. | ||
| EEEA | DJNZ $EE92 | Decrease counter by one and loop back to EE92 until counter is zero. | ||
| EEEC | POP BC | Restore BC from the stack. | ||
| EEED | LD HL,$EF45 | HL=EF45. | ||
| EEF0 | LD A,($D82C) | A=*D82C. | ||
| EEF3 | SUB $04 | A-=04. | ||
| EEF5 | LD ($D82C),A | Write A to *D82C. | ||
| EEF8 | DJNZ $EE8F | Decrease counter by one and loop back to EE8F until counter is zero. | ||
| EEFA | LD DE,$03E8 | DE=03E8. | ||
| EEFD | DEC DE | Decrease DE by one. | ||
| EEFE | LD A,$64 | A=64. | ||
| EF00 | DEC A | Decrease A by one. | ||
| EF01 | JR NZ,$EF00 | Jump to EF00 if A is not zero. | ||
| EF03 | LD A,D | Jump to EEFD if DE is not zero. | ||
| EF04 | OR E | |||
| EF05 | JR NZ,$EEFD | |||
| EF07 | LD A,$45 | A=INK: CYAN, PAPER: BLACK (BRIGHT) . | ||
| EF09 | LD ($5AA9),A | Write A to *5AA9 (attribute buffer location). | ||
| EF0C | LD ($5AAA),A | Write A to *5AAA (attribute buffer location). | ||
| EF0F | LD ($5AAB),A | Write A to *5AAB (attribute buffer location). | ||
| EF12 | LD ($5AAC),A | Write A to *5AAC (attribute buffer location). | ||
| EF15 | LD A,$80 | Write 80 to *Time. | ||
| EF17 | LD ($D83A),A | |||
| EF1A | LD A,$08 | Write 08 to *D839. | ||
| EF1C | LD ($D839),A | |||
| EF1F | CALL $EF2D | Call EF2D. | ||
| EF22 | CALL $FAD6 | Call FAD6. | ||
| EF25 | LD HL,$D839 | HL=D839. | ||
| EF28 | BIT 3,(HL) | Test bit 3 of *HL. | ||
| EF2A | JR NZ,$EF1F | Jump to EF1F if A is not zero. | ||
| EF2C | RET | Return. | ||
| EF2D | LD BC,$03E8 | BC=03E8. | ||
| EF30 | LD H,$05 | H=05. | ||
| EF32 | LD A,(HL) | A=*HL. | ||
| EF33 | INC HL | Increment HL by one. | ||
| EF34 | AND %00011000 | Keep only bits 3-4. | ||
| EF36 | OR %00000101 | Set bits 0, 2. | ||
| EF38 | OUT ($FE),A | Send to the speaker. | ||
| EF3A | DEC BC | Decrease BC by one. | ||
| EF3B | LD A,B | Jump to EF32 if BC is not zero. | ||
| EF3C | OR C | |||
| EF3D | JR NZ,$EF32 | |||
| EF3F | LD B,$08 | B=08. | ||
| EF41 | LD HL,($D84C) | HL=*D84C. | ||
| EF44 | RET | Return. | ||
| EF45 | LD A,(BC) | |||
| EF46 | LD C,$12 | |||
| EF48 | LD B,$02 | |||
| Prev: EDEF | Up: Map | Next: EF4A |