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-rw-r--r--vdp.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/vdp.c b/vdp.c
index b5a5713..b064b10 100644
--- a/vdp.c
+++ b/vdp.c
@@ -1692,22 +1692,7 @@ uint16_t vdp_control_port_read(vdp_context * context)
uint32_t line= context->vcounter;
uint32_t slot = context->hslot;
uint32_t inactive_start = (context->latched_mode & BIT_PAL ? PAL_INACTIVE_START : NTSC_INACTIVE_START);
- if (
- (
- line > inactive_start
- && line < 0x1FF
- )
- || (line == inactive_start
- && (
- slot >= (context->regs[REG_MODE_4] & BIT_H40 ? VBLANK_START_H40 : VBLANK_START_H32)
- || slot < (context->regs[REG_MODE_4] & BIT_H40 ? LINE_CHANGE_H40 : LINE_CHANGE_H32)
- )
- )
- || (line == 0x1FF
- && slot < (context->regs[REG_MODE_4] & BIT_H40 ? VBLANK_START_H40 : VBLANK_START_H32))
- && slot >= (context->regs[REG_MODE_4] & BIT_H40 ? LINE_CHANGE_H40 : LINE_CHANGE_H32)
- || !(context->regs[REG_MODE_2] & BIT_DISP_EN)
- ) {
+ if ((line >= inactive_start && line < 0x1FF) || !(context->regs[REG_MODE_2] & BIT_DISP_EN)) {
value |= 0x8;
}
if (context->regs[REG_MODE_4] & BIT_H40) {