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Routines |
| Prev: C13E | Up: Map | Next: C1EF |
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Used by the routine at BFEC.
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| C14C | BIT 7,(IX+$07) | Test bit 7 of *IX+07. | ||
| C150 | LD HL,$C38C | HL=C38C. | ||
| C153 | JR NZ,$C15A | Jump to C15A if bit 7 of *IX+07 is set. | ||
| C155 | LD A,$20 | A=20. | ||
| C157 | LD C,(HL) | C=*HL. | ||
| C158 | JR $C15D | Jump to C15D. | ||
| C15A | LD A,(HL) | A=*HL. | ||
| C15B | LD C,$20 | C=20. | ||
| C15D | CP (IX+$00) | Return if A is not equal to *IX+00. | ||
| C160 | RET NZ | |||
| C161 | LD (IX+$00),C | Write C to *IX+00. | ||
| C164 | PUSH IX | Stash IX on the stack. | ||
| C166 | CALL $C1CD | Call C1CD. | ||
| C169 | POP IX | Restore IX from the stack. | ||
| C16B | LD A,($C1E5) | A=*C1E5. | ||
| C16E | AND %00000011 | Keep only bits 0-1. | ||
| C170 | JR NZ,$C174 | Jump to C174 if A is not zero. | ||
| C172 | ADD A,$02 | A+=02. | ||
| C174 | LD (IX+$08),A | Write A to *IX+08. | ||
| C177 | RET | Return. | ||
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This entry point is used by the routine at BFEC.
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| C178 | LD HL,$C38C | HL=C38C. | ||
| C17B | LD A,(HL) | A=*HL. | ||
| C17C | SUB $20 | A-=20. | ||
| C17E | LD B,A | B=A. | ||
| C17F | LD A,(IX+$00) | A=*IX+00. | ||
| C182 | BIT 7,(IX+$07) | Jump to C196 if bit 7 of *IX+07 is not set. | ||
| C186 | JR Z,$C196 | |||
| C188 | SUB $06 | A-=06. | ||
| C18A | CP $20 | Jump to C1A0 if A is lower than 20. | ||
| C18C | JR C,$C1A0 | |||
| C18E | CP (HL) | Compare A with *HL. | ||
| C18F | JR Z,$C193 | Jump to C193 if {} is zero. | ||
| C191 | JR NC,$C1A0 | Jump to C1A0 if {} is higher. | ||
| C193 | SUB B | A-=B. | ||
| C194 | JR $C1A0 | Jump to C1A0. | ||
| C196 | ADD A,$06 | A+=06. | ||
| C198 | CP $20 | Jump to C1A0 if A is lower than 20. | ||
| C19A | JR C,$C1A0 | |||
| C19C | CP (HL) | Jump to C1A0 if A is higher than *HL. | ||
| C19D | JR NC,$C1A0 | |||
| C19F | ADD A,B | A+=B. | ||
| C1A0 | LD L,(IX+$01) | L=*IX+01. | ||
| C1A3 | PUSH IX | Stash IX on the stack. | ||
| C1A5 | LD IX,$C293 | IX=C293. | ||
| C1A9 | LD B,$04 | B=04 (counter). | ||
| C1AB | LD DE,$000D | DE=000D. | ||
| C1AE | CP (IX+$00) | Jump to C1BA if A with *IX+00 is zero. | ||
| C1B1 | JR Z,$C1BA | |||
| C1B3 | ADD IX,DE | IX+=DE. | ||
| C1B5 | DJNZ $C1AE | Decrease counter by one and loop back to C1AE until counter is zero. | ||
| C1B7 | POP IX | Restore IX from the stack. | ||
| C1B9 | RET | Return. | ||
| C1BA | LD C,A | C=A. | ||
| C1BB | LD A,(IX+$01) | A=*IX+01. | ||
| C1BE | XOR L | Reset the bits from L. | ||
| C1BF | AND %00011111 | Keep only bits 0-4. | ||
| C1C1 | LD A,C | A=C. | ||
| C1C2 | JR NZ,$C1B3 | Jump to C1B3 if {} is not zero. | ||
| C1C4 | LD A,(IX+$08) | A=*IX+08. | ||
| C1C7 | POP IX | Restore IX from the stack. | ||
| C1C9 | LD (IX+$08),A | Write A to *IX+08. | ||
| C1CC | RET | Return. | ||
| C1CD | LD IX,$C1E5 | IX=C1E5. | ||
| C1D1 | RR (IX+$01) | Rotate *IX+01 right. | ||
| C1D5 | BIT 4,(IX+$00) | Jump to C1DC if bit 4 of *IX+00 is zero. | ||
| C1D9 | JR Z,$C1DC | |||
| C1DB | CCF | Invert the carry flag. | ||
| C1DC | RL (IX+$00) | Rotate *IX+00 left. | ||
| C1E0 | RL (IX+$01) | Rotate *IX+01 left. | ||
| C1E4 | RET | Return. | ||
| C1E5 | DEFB $01,$00 | |||
| C1E7 | DEFB $01,$00,$20,$00,$FF,$FF,$E0,$FF | |||
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