| Routines

B371: Prepare a message in the message graphic buffer (2)

Continues from B272. Generates the graphic data for the text of the message and centres it in the buffer at 5B00.
Input
C | 0xFE
DE | Message address
B371 | CALL $AEE8 | Slide the message text into the graphic buffer
B374 | SRL C | Halve the number of remaining pixel columns and add one
B376 | INC C
B377 | XOR A | Insert this number of blank pixel columns, thus centring the message
B378 | CALL $ADE8
B37B | DEC C
B37C | JR NZ,$B377
B37E | RET |