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VG5000µ fix latched attributes on delimiter. (#7610)

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Fix the underline latched attribute when emitting a delimiter character.
Fix the delimiter emitted character address.
Change word from "hided" to the datasheet coherent "conceal"
This commit is contained in:
Sylvain Glaize 2020-12-30 11:21:18 +01:00 committed by GitHub
parent 674c1b04d2
commit c736b94e0d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 18 deletions
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37
src/devices/video/ef9345.cpp
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@ -179,7 +179,7 @@ void ef9345_device::device_reset()
m_latchm = 0;
m_latchi = 0;
m_latchu = 0;
m_char_mode = 0;
m_char_mode = MODE24x40;
memset(m_last_dial, 0, sizeof(m_last_dial));
memset(m_registers, 0, sizeof(m_registers));
@ -396,7 +396,7 @@ uint16_t ef9345_device::indexblock(uint16_t x, uint16_t y)
}
// draw bichrome character (40 columns)
void ef9345_device::bichrome40(uint8_t type, uint16_t address, uint8_t dial, uint16_t iblock, uint16_t x, uint16_t y, uint8_t c0, uint8_t c1, uint8_t insert, uint8_t flash, uint8_t hided, uint8_t negative, uint8_t underline)
void ef9345_device::bichrome40(uint8_t type, uint16_t address, uint8_t dial, uint16_t iblock, uint16_t x, uint16_t y, uint8_t c0, uint8_t c1, uint8_t insert, uint8_t flash, uint8_t conceal, uint8_t negative, uint8_t underline)
{
uint16_t i;
uint8_t pix[80];
@ -408,8 +408,8 @@ void ef9345_device::bichrome40(uint8_t type, uint16_t address, uint8_t dial, uin
if (flash && m_pat & 0x40 && m_blink)
c1 = c0; //flash
if (hided && m_pat & 0x08)
c1 = c0; //hided
if (conceal && m_pat & 0x08)
c1 = c0; //conceal
if (negative) //negative
{
i = c1;
@ -628,35 +628,36 @@ void ef9345_device::makechar_16x40(uint16_t x, uint16_t y)
type = ((b & 0x80) >> 4) | ((a & 0x80) >> 6);
address = ((b & 0x7f) >> 2) * 0x40 + (b & 0x03);
//negative space
if ((b & 0xe0) == 0x80)
{
address = 0;
type = 3;
}
//reset attributes latch
if (x == 0)
m_latchm = m_latchi = m_latchu = m_latchc0 = 0;
if (type == 4)
{
m_latchm = m_latchi = m_latchu = m_latchc0 = 0;
}
//delimiter
if ((b & 0xe0) == 0x80)
{
type = 0;
address = ((127) >> 2) * 0x40 + (127 & 0x03); // Force character 127 (negative space) of first type.
m_latchm = b & 1;
m_latchi = (b & 2) >> 1;
m_latchu = (b & 4) >> 2;
}
if (a & 0x80)
{
m_latchc0 = (a & 0x70) >> 4;
}
//char attributes
c0 = m_latchc0; //background
c1 = a & 0x07; //foreground
i = m_latchi; //insert mode
i = m_latchi; //insert mode
f = (a & 0x08) >> 3; //flash
m = m_latchm; //hided
m = m_latchm; //conceal
n = (a & 0x80) ? 0: ((a & 0x40) >> 6); //negative
u = m_latchu; //underline
u = m_latchu; //underline
bichrome40(type, address, dial, iblock, x, y, c0, c1, i, f, m, n, u);
}
@ -689,7 +690,7 @@ void ef9345_device::makechar_24x40(uint16_t x, uint16_t y)
c1 = (a & 0x70) >> 4; //foreground
i = b & 0x01; //insert
f = (a & 0x08) >> 3; //flash
m = (b & 0x04) >> 2; //hided
m = (b & 0x04) >> 2; //conceal
n = ((a & 0x80) >> 7); //negative
u = (((b & 0x60) == 0) || ((b & 0xc0) == 0x40)) ? ((b & 0x10) >> 4) : 0; //underline