diff options
Diffstat (limited to 'src/col80_modified/cruft/col80_entry.s')
| -rw-r--r-- | src/col80_modified/cruft/col80_entry.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/col80_modified/cruft/col80_entry.s b/src/col80_modified/cruft/col80_entry.s new file mode 100644 index 0000000..edf0d96 --- /dev/null +++ b/src/col80_modified/cruft/col80_entry.s @@ -0,0 +1,61 @@ +; ---------------------------------------------------------------------------- +; The OS jumps here on warmstart (also, this is the run address in our +; binary load file) + +dosini_entry_point: + .ifndef FUJICHAT + nop + nop + nop + .endif + +main_entry_point: + jsr col80_init + .ifndef FUJICHAT + lda CONSOL + and #$04 + beq no_e_handler + .endif + lda #$0C + sta ICCOM + ldx #$00 + jsr CIOV + lda #$58 + sta font_ptr_lo + lda #$03 + sta ICCOM + lda #font_ptr_lo + sta ICBAL + lda #$00 + sta ICBAH + ldx #$00 + jsr CIOV + ldy #$07 + lda #<col80_vector_tab + sta HATABS,y + lda #>col80_vector_tab + iny + sta HATABS,y +no_e_handler: + lda #<START_ADDRESS + sta MEMTOP + lda #>START_ADDRESS + sta MEMTOP+1 + .ifdef FUJICHAT + ldy #$01 + rts + .else + jmp return_success + .endif + +; ---------------------------------------------------------------------------- +; (when does this actually get called? da65 can't find any references +; to it, and it's not a run or init address in the binary load file) + .ifndef FUJICHAT + lda #<dosini_entry_point + sta DOSINI + lda #>dosini_entry_point + sta DOSINI+1 + jmp main_entry_point + .endif + |