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Routines |
| Prev: FB5A | Up: Map | Next: FB8E |
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Used by the routines at PrintBanner, Print_SelectionScreen, ChangeControls, UserDefinedKeys, CreateAdminPageTemplate and Print_TickerNewsCopy.
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| PrintString | FB5B | LD A,(HL) | Fetch the character. | |||||||
| FB5C | AND %01111111 | Keep only bits 0-6. | ||||||||
| FB5E | PUSH HL | Stash HL on the stack. | ||||||||
| FB5F | SUB $20 | A-=20. | ||||||||
| FB61 | LD H,$00 | Create an offset using HL. | ||||||||
| FB63 | LD L,A | |||||||||
| FB64 | ADD HL,HL | HL*=08. | ||||||||
| FB65 | ADD HL,HL | |||||||||
| FB66 | ADD HL,HL | |||||||||
| FB67 | LD A,H | H+=3D. | ||||||||
| FB68 | ADD A,$3D | |||||||||
| FB6A | LD H,A | |||||||||
| FB6B | LD A,B | A=B. | ||||||||
| FB6C | AND %11111000 | Keep only bits 3-7. | ||||||||
| FB6E | ADD A,$6B | A+=6B. | ||||||||
| FB70 | LD D,A | D=A. | ||||||||
| FB71 | LD A,B | A=B. | ||||||||
| FB72 | AND %00000111 | Keep only bits 0-2. | ||||||||
| FB74 | RRCA | RRCA. | ||||||||
| FB75 | RRCA | |||||||||
| FB76 | RRCA | |||||||||
| FB77 | ADD A,C | A+=C. | ||||||||
| FB78 | LD E,A | E=A. | ||||||||
| FB79 | PUSH BC | Stash BC on the stack. | ||||||||
| FB7A | LD B,$08 | B=08. | ||||||||
| PrintString_Loop | FB7C | LD A,(HL) | A=*HL. | |||||||
| FB7D | SRL A | Shift A right. | ||||||||
| FB7F | OR (HL) | Set the bits from *HL. | ||||||||
| FB80 | LD (DE),A | Write A to *DE. | ||||||||
| FB81 | INC HL | Increment HL by one. | ||||||||
| FB82 | INC D | Increment D by one. | ||||||||
| FB83 | DJNZ PrintString_Loop | Decrease counter by one and loop back to PrintString_Loop until counter is zero. | ||||||||
| FB85 | POP BC | Restore BC from the stack. | ||||||||
| FB86 | INC C | Increment C by one. | ||||||||
| FB87 | POP HL | Restore HL from the stack. | ||||||||
| FB88 | BIT 7,(HL) | Return if bit 7 of *HL is set. | ||||||||
| FB8A | RET NZ | |||||||||
| FB8B | INC HL | Increment HL by one. | ||||||||
| FB8C | JR PrintString | Jump to PrintString. | ||||||||
| Prev: FB5A | Up: Map | Next: FB8E |