The character buffers occupy bytes 96-127 in pages 152-172.
Byte(s) |
Contents |
96 |
Animatory state |
97,98 |
Location (y,x) |
99 |
LSB of the primary command routine address (see 25126) |
ERIC's post-midstride animatory state (see 25856, 25916) |
100 |
MSB of the primary command routine address (see 25126) |
ERIC's post-midstride y-coordinate (see 25856, 25916) |
101 |
Destination y-coordinate (see 27090) |
Walkabout event identifier (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 |
Interruptible subcommand routine address (see 25126) |
107 |
LSB of the address of the next character in the message being written on a blackboard or spoken (see 28882) |
Walkabout destination x-coordinate (see 27442) |
x-coordinate increment to use while chasing ERIC (see 31768) |
Number of movements remaining to ascend or descend the staircase (see 25488, 25534) |
Number of movements remaining to wipe the blackboard (see 29160) |
Intermediate destination x-coordinate (see 25404) |
108 |
MSB of the address of the next character in the message being written on a blackboard or spoken (see 28882) |
y-coordinate increment to use while chasing ERIC (see 31768) |
x-coordinate of the next column of the board to wipe (see 29160) |
Number of paces remaining until the next command list restart request check (see 25404) |
109 |
LSB of the address of the next character in the submessage being written on a blackboard or spoken (see 28882) |
y-coordinate of the top row of the blackboard being wiped (see 29160) |
110 |
MSB of the address of the next character in the submessage being written on a blackboard or spoken (see 28882) |
111,112 |
Uninterruptible subcommand routine address (see 25126) |
113 |
Counter determining how much longer the character will stay down after being punched (see 28569), hit by a catapult pellet (see 27932), knocked out of a chair (see 27733), or tripped up by a stampeding kid (see 27126) |
Distance remaining for the pellet to travel (see 27932) |
ANGELFACE's pre-punch animatory state (see 28446, 28642) |
BOY WANDER's pre-fire animatory state (see 28716, 28786) |
114 |
Pre-knockout animatory state (see 27206) |
115,116 |
Unused |
117,118 |
Address reached in the command list |
119,120 |
Start address of the command list |
121 |
Unused (always 0, but checked by 25126) |
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 the command list at the next opportunity if bit 1 is reset (see 25126) |
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 |
Continual subcommand routine address (see 25126); set to 25247 initially by 26880 |
126,127 |
Unused |