diff options
| -rw-r--r-- | menu.s68 | 57 |
1 files changed, 55 insertions, 2 deletions
@@ -182,6 +182,9 @@ page_pointers rs.l 1024 mouse_sprite rs.l 1 menu_functions rs.l 1 mouse_x rs.w 1 +selection_top rs.w 1 +selection_bot rs.w 1 +selection_mask rs.w 1 num_sprites rs.b 1 last_pad1 rs.b 1 last_pad2 rs.b 1 @@ -429,10 +432,14 @@ handle_mouse: asr.w #1, d0 move.w d0, (6, a2) move.w (a2), d1 - cmp.w #272, d1 + cmp.w selection_top.w, d1 blo .done - cmp.w #655, d1 + cmp.w selection_bot.w, d1 bhi .done + tst.b num_menu.w + bne .handle_menu + tst.b num_slots.w + bne .handle_slots and.w #$FFF0, d1 subq #8, d1 move.w d1, (sprite_list).w @@ -441,6 +448,41 @@ handle_mouse: sub.w #264, d1 lsr.w #4, d1 move.b d1, selected.w + bra .no_mouse_move +.handle_menu + ;TODO: FIXME + and.w #$FFF0, d1 + moveq #0, d0 + move.w d1, d0 + sub.w selection_top.w, d0 + divu.w #48, d0 + swap d0 + tst.w d0 + beq .no_adjust + + cmp.w #16, d0 + bne .round_up + swap d0 + sub.w #16, d1 + bra .set_cursor_pos + +.round_up + swap d0 + addq #1, d0 + add.w #16, d1 + bra .set_cursor_pos + +.no_adjust + swap d0 +.set_cursor_pos + move.w d1, (sprite_list).w + move.w d1, (sprite_list+8).w + + move.b d0, selected.w + + bra .no_mouse_move +.handle_slots + .no_mouse_move btst #0, d4 bne select_entry @@ -638,6 +680,8 @@ draw_menu: move.b d7, selected.w ;save menu pointer for second pass movea.l a5, a4 + ;adjust arrow mask + move.w #$FFE0, selection_mask.w .lenloop tst.b (a5) beq .lendone @@ -677,6 +721,8 @@ draw_menu: add.w #256, d4 move.w d4, (sprite_list).w move.w d4, (sprite_list+8).w + ;update mouse top limit + move.w d4, selection_top.w ;restore menu pointer movea.l a4, a5 .drawloop @@ -709,6 +755,10 @@ draw_menu: addq #3, d6 bra .drawloop .done + ;update mouse bottom limit + lsl.w #4, d6 + add.w #224, d6 + move.w d6, selection_bot.w rts clear_screen: @@ -852,6 +902,9 @@ render_page: ;clear menu state move.b #0, num_menu.w + move.w #272, selection_top.w + move.w #655, selection_bot.w + move.w #$FFF0, selection_mask.w ;init scroll table vdpaccess $0, VDP_VRAM_WRITE |