|
Routines |
| Prev: 27143 | Up: Map | Next: 27272 |
|
||||||||||
| 27144 | LD L,11 | Store the message number in byte 11 of the character's buffer | ||||||||
| 27146 | LD (HL),E | |||||||||
|
The address of this entry point is placed into bytes 9 and 10 of EINSTEIN's buffer by the routine at 61440.
|
||||||||||
| 27147 | LD L,16 | Clear bytes 12-16 of the character's buffer, thus removing the addresses of any old (sub)(sub)messages | ||||||||
| 27149 | LD B,5 | |||||||||
| 27151 | LD (HL),0 | |||||||||
| 27153 | DEC L | |||||||||
| 27154 | DJNZ 27151 | |||||||||
| 27156 | LD E,(HL) | E=message number | ||||||||
| 27157 | LD D,254 | Pick up the address of the message and place it into bytes 11 and 12 of the character's buffer | ||||||||
| 27159 | LD A,(DE) | |||||||||
| 27160 | LD (HL),A | |||||||||
| 27161 | INC D | |||||||||
| 27162 | LD A,(DE) | |||||||||
| 27163 | INC L | |||||||||
| 27164 | LD (HL),A | |||||||||
|
If somebody else is already speaking, this entry point is used while this character waits his turn to speak.
|
||||||||||
| 27165 | LD A,(32760) | 32760 holds the LSB of the SRB address corresponding to the lip of the speech bubble (or 0 if there is no bubble on-screen) | ||||||||
| 27168 | LD L,9 | Place the address of the entry point at 27165 into bytes 9 and 10 of the character's buffer | ||||||||
| 27170 | LD (HL),29 | |||||||||
| 27172 | AND A | Is anyone else speaking at the moment? | ||||||||
| 27173 | RET NZ | Return if so | ||||||||
| 27174 | LD (HL),46 | Place the address of the entry point at 27182 into bytes 9 and 10 of the character's buffer | ||||||||
| 27176 | CALL 26958 | Print the speech bubble if the character's head is on-screen | ||||||||
| 27179 | RET NC | Return if the character's head is on-screen | ||||||||
| 27180 | JR 27205 | Otherwise make this routine relinquish control of the character | ||||||||
|
This entry point is used while the character is speaking.
|
||||||||||
| 27182 | PUSH HL | |||||||||
| 27183 | CALL 26849 | Update the SRB so that the speech bubble is not corrupted | ||||||||
| 27186 | POP HL | |||||||||
| 27187 | JR NC,27202 | Jump if the speech bubble is no longer on-screen | ||||||||
| 27189 | EXX | Point HL' at the end of the buffer (at 23296) which will contain the speech text graphic data | ||||||||
| 27190 | LD HL,23359 | |||||||||
| 27193 | EXX | |||||||||
| 27194 | LD B,2 | We scroll the message two letters at a time | ||||||||
| 27196 | CALL 26318 | Collect in A the next character code from the message | ||||||||
| 27199 | AND A | Has the message finished? | ||||||||
| 27200 | JR NZ,27208 | Jump if not | ||||||||
|
The message has finished, or the speech bubble has been scrolled off the screen. Either way, the character has finished speaking.
|
||||||||||
| 27202 | CALL 26910 | Update the SRB to get rid of the speech bubble | ||||||||
| 27205 | JP 25488 | Terminate this interruptible subcommand | ||||||||
|
The character has not finished speaking.
|
||||||||||
| 27208 | PUSH BC | |||||||||
| 27209 | CALL 27110 | Roll the font character bitmap into the message buffer | ||||||||
| 27212 | POP BC | |||||||||
| 27213 | DJNZ 27196 | Jump back until two more letters have been rolled into the buffer | ||||||||
| 27215 | LD L,29 | Reset the walk/run bit in byte 29 of the character's buffer to make sure he speaks slowly | ||||||||
| 27217 | RES 7,(HL) | |||||||||
| 27219 | LD A,(32760) | Now A=LSB of the address of the SRB byte corresponding to the top line of the speech bubble | ||||||||
| 27222 | SUB 8 | |||||||||
| 27224 | LD L,A | Set HL to the display file address of the start of the top pixel line of text | ||||||||
| 27225 | RRCA | |||||||||
| 27226 | RRCA | |||||||||
| 27227 | AND 24 | |||||||||
| 27229 | ADD A,68 | |||||||||
| 27231 | LD H,A | |||||||||
| 27232 | LD A,L | |||||||||
| 27233 | ADD A,A | |||||||||
| 27234 | ADD A,A | |||||||||
| 27235 | ADD A,A | |||||||||
| 27236 | LD L,A | |||||||||
| 27237 | NOP | |||||||||
| 27238 | INC L | |||||||||
| 27239 | LD DE,23298 | The speech text graphic data is stored in the 64-byte buffer at 23296 | ||||||||
| 27242 | EX DE,HL | |||||||||
| 27243 | CALL 27255 | Print the top 4 pixel rows of the text inside the speech bubble | ||||||||
| 27246 | ADD A,32 | Set DE to the display file address of the start of the 5th pixel row of text | ||||||||
| 27248 | LD E,A | |||||||||
| 27249 | JR C,27256 | |||||||||
| 27251 | LD A,D | |||||||||
| 27252 | SUB 8 | |||||||||
| 27254 | LD D,A | |||||||||
| 27255 | LD A,E | Save the LSB of the base display file address | ||||||||
| 27256 | LD B,4 | 4 pixel lines at a time | ||||||||
| 27258 | PUSH BC | |||||||||
| 27259 | LD BC,6 | There are 6 character squares inside the speech bubble | ||||||||
| 27262 | LDIR | Copy a row of 6 bytes to the screen | ||||||||
| 27264 | INC L | Move HL to the start of the next row of pixel data in the message buffer | ||||||||
| 27265 | INC L | |||||||||
| 27266 | LD E,A | Restore the LSB of the base display file address | ||||||||
| 27267 | INC D | Next pixel row down | ||||||||
| 27268 | POP BC | |||||||||
| 27269 | DJNZ 27258 | Jump back until all 4 pixel rows in this half have been copied to the screen | ||||||||
| 27271 | RET | |||||||||
| Prev: 27143 | Up: Map | Next: 27272 |