// Print string at $YYAA // Compute's Mapping the 64 p101 print_string: // Setup pointer sty temp_string_ptr+1 sta temp_string_ptr+0 txa pha // Get offset ready ldy #$00 print_string_loop: // Save Y in X, since X is preserved by chrout, but Y is not tya tax lda (temp_string_ptr),y beq print_string_end jsr JCHROUT txa tay iny bne print_string_loop print_string_end: pla tax rts