diff options
Diffstat (limited to 'menu.s68')
| -rw-r--r-- | menu.s68 | 53 |
1 files changed, 44 insertions, 9 deletions
@@ -610,13 +610,25 @@ draw_menu: ;width move.w d7, d2 bsr draw_button - addq #4, d6 movea.l a5, a6 bsr strlen movea.l a5, a6 lea (1, a5, d0.w), a5 - ;TODO: draw string + ;x pos + move.w d7, d1 + lsr.w #1, d1 + add.w d5, d1 + lsr.w #1, d0 + sub.w d0, d1 + ;y pos + move.w d6, d2 + ;base attribute + ;FIXME: Change base attribute to use fixed width font + move.w #$206B, d0 + bsr print_string_fixed + + addq #3, d6 bra .drawloop .done rts @@ -662,7 +674,12 @@ start: ;init scroll table vdpaccess $0, VDP_VRAM_WRITE move.w #0, (a0) - move.w #4, (a0) + move.w #0, (a0) + + ;init vertical scroll RAM + vdpaccess $0, VDP_VSRAM_WRITE + move.w #-4, (a0) + move.w #0, (a0) ;load tiles vdpaccess $800, VDP_VRAM_WRITE @@ -717,20 +734,20 @@ ploop: move.l d0, (a0) dbra d1, ploop - ;moveq #0, d0 - ;moveq #26, d1 - ;moveq #6, d2 - ;bsr draw_button - move.l #$40860002, d3 move.l d3, (a1) move.l d3, base_cmd.w - moveq #4, d6 + moveq #8, d6 lea main_menu(pc), a5 bsr draw_menu bra gamepad_setup + ;init scroll table + vdpaccess $0, VDP_VRAM_WRITE + move.w #0, (a0) + move.w #4, (a0) + move.b #0, more_pages.w lea page_index.w, a3 @@ -850,8 +867,24 @@ print_string: ;a6 - pointer to string ;a0 - VDP data port ;d0 - base tile attribute +;d1 - x col +;d2 - y col ; print_string_fixed: + ;multiply x by 2 + add.w d1, d1 + ;multiply y by 128 + lsl.w #7, d2 + add.w d2, d1 + add.w #$8000, d1 + move.w d1, d2 + and.w #$3FFF, d1 + rol.w #2, d2 + and.w #3, d2 + ori.w #(VDP_VRAM_WRITE >> 16), d1 + swap d1 + move.w d2, d1 + move.l d1, (a1) .loop moveq #0, d1 move.b (a6)+, d1 @@ -898,6 +931,7 @@ widths: main_menu: dc.b "Load ROM", 0 + dc.b "About", 0 dc.b "Exit", 0 dc.b 0 @@ -906,6 +940,7 @@ pause_menu: dc.b "Load ROM", 0 dc.b "Save State", 0 dc.b "Load State", 0 + dc.b "Exit", 0 dc.b 0 rom_end: |