diff options
| author | Duncan Smith | 2010-06-26 21:33:19 -0700 |
|---|---|---|
| committer | Duncan Smith | 2010-06-26 21:33:19 -0700 |
| commit | 53270267b8c6f11067bcfe306d9ee0b96ba0581b (patch) | |
| tree | 70c3ac367639759fe5eed43103e3584823640f62 /ports.asm | |
| parent | 0248da5e2c262d6934fd48c23212d866e250b9ed (diff) | |
Added bank-swapping routines (incomplete: doesn't implement memory map mode 1)
Diffstat (limited to 'ports.asm')
| -rw-r--r-- | ports.asm | 19 |
1 files changed, 18 insertions, 1 deletions
@@ -539,10 +539,24 @@ port_in_03: port_out_03: port_in_04: port_out_04: + ;; Bank B paging + ;; XXX save registers + move.b d1,-(a7) + jsr bankswap_b_write + addq 2,a7 + rts + port_in_05: port_out_05: port_in_06: port_out_06: + ;; Bank A paging + ;; XXX save registers + move.b d1,-(a7) + jsr bankswap_a_write + addq 2,a7 + rts + port_in_07: port_out_07: port_in_08: @@ -663,6 +677,7 @@ port_out_10_set_row: port_in_11: ;; LCD data + ;; XXX save registers jsr video_read move.b d0,d1 ; return value rts @@ -670,7 +685,9 @@ port_in_11: port_out_11: ;; LCD data move.b d1,-(a7) - bra video_write + ;; XXX save registers + jsr video_write + rts port_in_12: port_out_12: |