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comparison vdp.c @ 708:61faa298af07

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Small horizontal interrupt fixes
author Michael Pavone <pavone@retrodev.com>
date Thu, 14 May 2015 23:17:55 -0700
parents ce4046476abc
children 4cd8823f79e3
comparison
equal deleted inserted replaced
707:8aa9aacefe12 708:61faa298af07
1474 context->sprite_index = 0x80; 1474 context->sprite_index = 0x80;
1475 context->slot_counter = MAX_SPRITES_LINE_H32; 1475 context->slot_counter = MAX_SPRITES_LINE_H32;
1476 } 1476 }
1477 } 1477 }
1478 if (is_h40 && slot == LINE_CHANGE_H40 || !is_h40 && slot == LINE_CHANGE_H32) { 1478 if (is_h40 && slot == LINE_CHANGE_H40 || !is_h40 && slot == LINE_CHANGE_H32) {
1479 if (line >= inactive_start) { 1479 if (line > inactive_start) {
1480 context->hint_counter = context->regs[REG_HINT]; 1480 context->hint_counter = context->regs[REG_HINT];
1481 } else if (context->hint_counter) { 1481 } else if (context->hint_counter) {
1482 context->hint_counter--; 1482 context->hint_counter--;
1483 } else { 1483 } else {
1484 context->flags2 |= FLAG2_HINT_PENDING; 1484 context->flags2 |= FLAG2_HINT_PENDING;
1952 if (context->flags2 & FLAG2_HINT_PENDING) { 1952 if (context->flags2 & FLAG2_HINT_PENDING) {
1953 return context->cycles; 1953 return context->cycles;
1954 } 1954 }
1955 uint32_t inactive_start = context->latched_mode & BIT_PAL ? PAL_INACTIVE_START : NTSC_INACTIVE_START; 1955 uint32_t inactive_start = context->latched_mode & BIT_PAL ? PAL_INACTIVE_START : NTSC_INACTIVE_START;
1956 uint32_t hint_line; 1956 uint32_t hint_line;
1957 if (context->vcounter >= inactive_start) { 1957 if (context->vcounter + context->hint_counter >= inactive_start) {
1958 hint_line = context->regs[REG_HINT]; 1958 hint_line = context->regs[REG_HINT];
1959 } else { 1959 } else {
1960 hint_line = context->vcounter + context->hint_counter + 1; 1960 hint_line = context->vcounter + context->hint_counter + 1;
1961 } 1961 }
1962 1962