mirror of
https://github.com/V2RetroComputing/analog-firmware.git
synced 2024-09-27 20:54:42 +00:00
Macro consolidation
This commit is contained in:
parent
ea4af57302
commit
d5e001f2c1
@ -7,6 +7,9 @@ void abus_init();
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#define CARD_IOSEL (((address & 0xff00) >= 0xc100) && ((address & 0xff00) < 0xc700))
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#define CARD_IOSEL (((address & 0xff00) >= 0xc100) && ((address & 0xff00) < 0xc700))
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#define CARD_IOSTROBE ((address & 0xf800) == 0xc800)
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#define CARD_IOSTROBE ((address & 0xf800) == 0xc800)
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#define ACCESS_READ ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) != 0)
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#define ACCESS_WRITE ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)
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enum {
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enum {
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ABUS_MAIN_SM = 0,
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ABUS_MAIN_SM = 0,
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ABUS_DEVICE_READ_SM = 1,
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ABUS_DEVICE_READ_SM = 1,
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@ -19,9 +19,6 @@
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#include <pico/cyw43_arch.h>
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#include <pico/cyw43_arch.h>
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#endif
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#endif
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#define ACCESS_READ ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) != 0)
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#define ACCESS_WRITE ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)
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static void __noinline __time_critical_func(core1_loop)() {
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static void __noinline __time_critical_func(core1_loop)() {
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uint32_t value;
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uint32_t value;
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uint32_t address;
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uint32_t address;
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@ -18,6 +18,8 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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}
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}
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#endif
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#endif
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// Shadow parts of the Apple's memory by observing the bus write cycles
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if(ACCESS_WRITE) {
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// Mirror Video Memory from MAIN & AUX banks
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// Mirror Video Memory from MAIN & AUX banks
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if(soft_switches & SOFTSW_80STORE) {
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if(soft_switches & SOFTSW_80STORE) {
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if(soft_switches & SOFTSW_PAGE_2) {
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if(soft_switches & SOFTSW_PAGE_2) {
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@ -46,57 +48,57 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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if((address & 0xff80) == 0xc000) {
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if((address & 0xff80) == 0xc000) {
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switch(address & 0x7f) {
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switch(address & 0x7f) {
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case 0x00:
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case 0x00:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches &= ~SOFTSW_80STORE;
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soft_switches &= ~SOFTSW_80STORE;
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}
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}
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break;
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break;
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case 0x01:
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case 0x01:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches |= SOFTSW_80STORE;
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soft_switches |= SOFTSW_80STORE;
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}
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}
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break;
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break;
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case 0x04:
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case 0x04:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches &= ~SOFTSW_AUX_WRITE;
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soft_switches &= ~SOFTSW_AUX_WRITE;
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}
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}
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break;
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break;
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case 0x05:
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case 0x05:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches |= SOFTSW_AUX_WRITE;
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soft_switches |= SOFTSW_AUX_WRITE;
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}
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}
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break;
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break;
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case 0x08:
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case 0x08:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches &= ~SOFTSW_AUXZP;
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soft_switches &= ~SOFTSW_AUXZP;
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}
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}
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break;
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break;
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case 0x09:
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case 0x09:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches |= SOFTSW_AUXZP;
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soft_switches |= SOFTSW_AUXZP;
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}
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}
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break;
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break;
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case 0x0c:
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case 0x0c:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches &= ~SOFTSW_80COL;
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soft_switches &= ~SOFTSW_80COL;
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}
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}
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break;
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break;
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case 0x0d:
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case 0x0d:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches |= SOFTSW_80COL;
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soft_switches |= SOFTSW_80COL;
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}
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}
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break;
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break;
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case 0x0e:
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case 0x0e:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches &= ~SOFTSW_ALTCHAR;
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soft_switches &= ~SOFTSW_ALTCHAR;
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}
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}
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break;
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break;
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case 0x0f:
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case 0x0f:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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soft_switches |= SOFTSW_ALTCHAR;
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soft_switches |= SOFTSW_ALTCHAR;
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}
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}
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break;
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break;
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case 0x21:
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case 0x21:
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & (IFLAGS_IIGS_REGS | IFLAGS_IIE_REGS)) && ACCESS_WRITE) {
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if(value & 0x80) {
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if(value & 0x80) {
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soft_switches |= SOFTSW_MONOCHROME;
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soft_switches |= SOFTSW_MONOCHROME;
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} else {
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} else {
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@ -105,22 +107,22 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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}
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}
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break;
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break;
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case 0x22:
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case 0x22:
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if((internal_flags & IFLAGS_IIGS_REGS) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & IFLAGS_IIGS_REGS) && ACCESS_WRITE) {
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apple_tbcolor = value & 0xff;
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apple_tbcolor = value & 0xff;
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}
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}
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break;
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break;
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case 0x29:
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case 0x29:
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if((internal_flags & IFLAGS_IIGS_REGS) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & IFLAGS_IIGS_REGS) && ACCESS_WRITE) {
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soft_switches = (soft_switches & ~(SOFTSW_NEWVID_MASK << SOFTSW_NEWVID_SHIFT)) | ((value & SOFTSW_NEWVID_MASK) << SOFTSW_NEWVID_SHIFT);
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soft_switches = (soft_switches & ~(SOFTSW_NEWVID_MASK << SOFTSW_NEWVID_SHIFT)) | ((value & SOFTSW_NEWVID_MASK) << SOFTSW_NEWVID_SHIFT);
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}
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}
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break;
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break;
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case 0x34:
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case 0x34:
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if((internal_flags & IFLAGS_IIGS_REGS) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & IFLAGS_IIGS_REGS) && ACCESS_WRITE) {
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apple_border = value & 0x0f;
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apple_border = value & 0x0f;
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}
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}
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break;
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break;
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case 0x35:
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case 0x35:
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if((internal_flags & IFLAGS_IIGS_REGS) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & IFLAGS_IIGS_REGS) && ACCESS_WRITE) {
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soft_switches = (soft_switches & ~(SOFTSW_SHADOW_MASK << SOFTSW_SHADOW_SHIFT)) | ((value & SOFTSW_SHADOW_MASK) << SOFTSW_SHADOW_SHIFT);
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soft_switches = (soft_switches & ~(SOFTSW_SHADOW_MASK << SOFTSW_SHADOW_SHIFT)) | ((value & SOFTSW_SHADOW_MASK) << SOFTSW_SHADOW_SHIFT);
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}
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}
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break;
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break;
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@ -159,12 +161,12 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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}
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}
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break;
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break;
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case 0x7e:
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case 0x7e:
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if((internal_flags & IFLAGS_IIE_REGS) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & IFLAGS_IIE_REGS) && ACCESS_WRITE) {
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soft_switches |= SOFTSW_IOUDIS;
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soft_switches |= SOFTSW_IOUDIS;
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}
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}
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break;
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break;
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case 0x7f:
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case 0x7f:
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if((internal_flags & IFLAGS_IIE_REGS) && ((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0)) {
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if((internal_flags & IFLAGS_IIE_REGS) && ACCESS_WRITE) {
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soft_switches &= ~SOFTSW_IOUDIS;
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soft_switches &= ~SOFTSW_IOUDIS;
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}
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}
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break;
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break;
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@ -173,16 +175,17 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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}
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}
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// Control sequences used by ROMX and ROMXe
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// Control sequences used by ROMX and ROMXe
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if(value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) {
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switch(current_machine) {
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if(((address >> 8) == 0xCA) || ((address >> 8) == 0xFA)) {
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case MACHINE_IIE:
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// Trigger on read sequence FACA FACA FAFE
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if(ACCESS_READ) {
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if((address >> 8) == 0xFA) {
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switch(address & 0xFF) {
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switch(address & 0xFF) {
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case 0xCA:
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case 0xCA:
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romx_unlocked = (romx_unlocked == 1) ? 2 : 1;
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romx_unlocked = (romx_unlocked == 1) ? 2 : 1;
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break;
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break;
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case 0xFE:
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case 0xFE:
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romx_unlocked = (romx_unlocked == 2) ? 3 : 0;
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romx_unlocked = (romx_unlocked == 2) ? 3 : 0;
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if(romx_unlocked == 3)
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romx_type = address >> 8;
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break;
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break;
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default:
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default:
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if(romx_unlocked != 3)
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if(romx_unlocked != 3)
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@ -190,7 +193,6 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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break;
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break;
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}
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}
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} else if(romx_unlocked == 3) {
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} else if(romx_unlocked == 3) {
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if(romx_type == 0xFA) {
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if((address & 0xFFF0) == 0xF810) {
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if((address & 0xFFF0) == 0xF810) {
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romx_textbank = address & 0xF;
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romx_textbank = address & 0xF;
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}
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}
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@ -198,7 +200,26 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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romx_changed = 1;
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romx_changed = 1;
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romx_unlocked = 0;
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romx_unlocked = 0;
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}
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}
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} else if(romx_type == 0xCA) {
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}
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}
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break;
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case MACHINE_II:
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// Trigger on read sequence CACA CACA CAFE
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if(ACCESS_READ) {
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if((address >> 8) == 0xCA) {
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switch(address & 0xFF) {
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case 0xCA:
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romx_unlocked = (romx_unlocked == 1) ? 2 : 1;
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break;
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case 0xFE:
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romx_unlocked = (romx_unlocked == 2) ? 3 : 0;
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break;
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default:
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if(romx_unlocked != 3)
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romx_unlocked = 0;
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break;
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}
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} else if(romx_unlocked == 3) {
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if((address & 0xFFF0) == 0xCFD0) {
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if((address & 0xFFF0) == 0xCFD0) {
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romx_textbank = address & 0xF;
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romx_textbank = address & 0xF;
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}
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}
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@ -208,10 +229,11 @@ void __time_critical_func(vga_businterface)(uint32_t address, uint32_t value) {
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}
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}
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}
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}
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}
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}
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break;
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}
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}
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// Card Registers
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// Card Registers
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if((value & (1u << CONFIG_PIN_APPLEBUS_RW-CONFIG_PIN_APPLEBUS_DATA_BASE)) == 0) {
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if(ACCESS_WRITE) {
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if(CARD_SELECT && CARD_DEVSEL) {
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if(CARD_SELECT && CARD_DEVSEL) {
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cardslot = (address >> 4) & 0x7;
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cardslot = (address >> 4) & 0x7;
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switch(address & 0x0F) {
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switch(address & 0x0F) {
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