The character buffers occupy bytes 96-127 in pages 152-172. Each page corresponds to a different character.
Byte(s) |
Contents |
96 |
Animatory state |
97,98 |
Location (y,x) |
99 |
LSB of routine address from command list (see 25172) |
ERIC's post-midstride animatory state (see 25856, 25916) |
100 |
MSB of routine address from command list (see 25172) |
ERIC's post-midstride y-coordinate (see 25856, 25916) |
101 |
Destination y-coordinate (see 27090) |
Signal byte determining when character should stop moving about (see 25303) |
ERIC's post-midstride x-coordinate (see 25856, 25916) |
102 |
Destination x-coordinate (see 27090) |
ERIC's animatory state before he started firing the catapult, hitting, or jumping (see 62574) |
103 |
Number of mini-walkabouts remaining (see 27453) |
104 |
Message repetition delay counter (see 63488) |
105,106 |
Routine address (see 25172) |
107 |
LSB of address of next character in message being spoken (see 63488) or written on blackboard (see 29284) |
Walkabout destination x-coordinate (see 27442) |
x-coordinate increment to use when looking for another character (see 31768) |
Number of movements remaining in board-wiping task (see 29160) |
108 |
MSB of address of next character in message being spoken (see 63488) or written on blackboard (see 29284) |
y-coordinate increment to use when looking for another character (see 31768) |
x-coordinate of the next column of the board to wipe (see 29160) |
Counter that limits how long a character remains under control of the routine at 25404 |
109 |
LSB of address of next character in submessage being spoken (see 28882, 31110) |
y-coordinate of the top row of the blackboard being wiped (see 29160) |
110 |
MSB of address of next character in submessage being spoken (see 28882, 31110) |
111,112 |
Routine address (see 25126) |
113 |
Counter determining how much long character will stay down after being hit (see 28569), knocked out of chair (see 27733), or knocked over by stampeding kid (see 27126) |
Distance left to travel for catapult pellet (see 27932) |
ANGELFACE's pre-punch animatory state (see 28446, 28642) |
BOY WANDER's pre-fire animatory state (see 28716, 28786) |
114 |
Character's pre-decked animatory state (see 27206) |
115,116 |
Unused |
117,118 |
Address reached in command list |
119,120 |
Start address of command list |
121 |
Unused (always 0, but checked by 25172) |
122 |
Various flags; initially populated by 26880 with 0 for kids, 16 (bit 4 set) for teachers, and 32 (bit 5 set) for catapult pellets
Bit(s) |
Meaning if set |
0 |
Restart command list at next opportunity if bit 1 is reset (see 25172) |
1 |
Always reset |
2-3 |
Unused |
4 |
Character is a teacher (checked by 25367) |
5 |
Character is walking fast continuously (set for pellets and stampeding boys; see 27246) |
6 |
Character is walking slowly continuously (always reset, but checked by 25367) |
7 |
Character is walking slowly (see 25266) |
|
123 |
Walking speed change delay counter (see 25266, 32234, 32242, 64016) |
124,125 |
Routine address (see 25126); 25247 (RET) is placed here initially by 26880 |
126,127 |
Unused |