diff options
Diffstat (limited to 'bank7.s')
| -rw-r--r-- | bank7.s | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -95,26 +95,31 @@ cartstart: sta destptr lda #>codedest sta destptr+1 + + ; banks 0 and 1 are full of code (minus the top page), bank 2 + ; is partially full. At some point, bank 2 might disappear, if + ; I can shrink the code down to fit in 0 and 1 only. lda #0 ; bank 0... sta CCNTL ; ...select it jsr copy_31_pages + lda #1 ; bank 1... sta CCNTL ; ...select it jsr copy_31_pages + lda #2 ; bank 2... sta CCNTL ; ...select it ldx #(>BANK2SIZE)+1 ; BANK2SIZE defined on the command line jsr copy_x_pages - ; bank 3 contains RODATA and some code, that runs from ROM rather than - ; being copied to RAM. + ; bank 3 contains our font, RODATA, and some code that runs from ROM + ; rather than being copied to RAM. It stays enabled the entire time + ; the game is running. lda #3 ; bank 3... sta CCNTL ; ...select it .out .sprintf("BANK2SIZE $%x (%d pages)", BANK2SIZE, (>BANK2SIZE)+1) - ; leave bank 3 enabled, as it has our custom font in it - lda #1 sta COLDST ; System Reset = reboot jsr start ; 'start' is from newtitle.s |